ECE Mnemonics 2017.pdf

July 30, 2017 | Author: eanne | Category: Trigonometric Functions, Division (Mathematics), Sine, Inductor, Trigonometry
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Compilation of ECE Mnemonics

a compilation of mnemonics for Electronics Engineering (ECE)

by JeMery Gentiles

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Compilation of ECE Mnemonics TABLE OF CONTENTS

Chapter I. Mathematics………………………………………………………………………………………………………….1 Constant…………………………………………………………………………………………………………………….....1 Conversion………………………………………………………………………………...………………………………….3 Arithmetic………………………………………………………………………………………………………………………5 Algebra…………………………………………………………………………………………………………………………..8 Trigonometry………………………………………………………………………………………………………………..13 Geometry………………………………………………………………………………………………………………………17 Calculus………………………………………………………………………………………………………………………...17 Differential Equation………………………………………………………………………………..…….…………….18 Probability and Statistics………………………………………………………………………………………….……18 Chapter II. Electronics……………………………………………..………………….….……….….……….….……….…..19 Electricity and Magnetism…………………………………………………………………………………………….19 DC/AC Circuits…………………………………………………………………………………………………….….…….20 Energy Conversion………………………………………………………………………………………………….…….22 Semiconductor Theory………………………………………………………………………………….……………...23 Electronic Devices Fundamentals………………………………………………………………….…….………..23 Computer Principles…………………………………………………………………………………….…….………...26 Chapter III. General Engineering & Applied Sciences………………………………….….……….……..………29 General and Inorganic Chemistry…………………………………………………………….………….………..29 Organic Chemistry………………………………………………………………………………….…………………….39 Physics…………………………………………………………………………………………………….…………………...42 Thermodynamics…………………………………………………………………………….……………………………42 Strength of Materials…………………………………………………………………………………….……………..44 Engineering Economy………………………………………………………………………………….……………….46 Engineering Management………………………………………………………………..……………….…………47 ECE Laws……………………………………………………………………………….…………………….……………...48 Contracts and Obligation………………………………………………………………...……….….………………48 General Knowledge……………………………………………………………………...…………..…………………51 Chapter IV. Electronic Systems & Technologies…………………………………….….….……………….……..62 Principles of Communication…………………………………………………………………….………..………62 Modulation……………………………………………………………………………………………….…………..……63 Radio Receiver and Noise……………………………………………………………………….…………….…….63 RF Spectrum with Radio Propagation…………………………………………….………….………………..64

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Compilation of ECE Mnemonics Microwave Communication……………………………………………………………….……………………..65 Telephony……………………………………………………………………….………………….…………………….66 Fiber optics……………………………………………………………………………………….………………………67 Data Communication……………………………………………………………………….…………….…………68 Broadcast and Acoustic…………………………………………………………………….………………….…..72 Transmission Lines………………………………………………………………………….………………….….…73 Wave Propagation and Antenna…………………………………………………….………………….……..74 Navigational Aids and Radar…………………………………………………………………………….….…...75 Satellite Communication………………………………………………………………………………………..…82

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Compilation of ECE Mnemonics MATH Constant Mnemonic device May I have a large container of coffee? Explanation Counting the letters of each word gives you the value of pi to 7 places. Mnemonic device How i need a drink, alcoholic of course, after the heavy chapters involving geodesy Explanation The lengths of the words constitute the number of pi; 3,14... Mnemonic device Sir, I know a rhyme excelling in mystic force and magic spelling. Celestial spirits elucidate, all my own striving can't relate Explanation The lengths of the words constitute the number of pi; 3,14... Mnemonic device How I want a drink, alcoholic of course, after the heavy lectures involving quantum mechanics! Explanation The lengths of the words constitute the number of pi; 3,14... Mnemonic device "May I have a large container of coffee? Thank you!" Explanation The polite version of the pi (3.141592654...) mnemonic, giving two extra digits. Number of letters in each ord is the corresponding digit in pi. Sentences to remember Pi 3.1415926535897932384626433832795028841971693993751058209749445923078164062862089986 280348253421170679... Count the characters in the words: How I want a drink, alcoholic of course, after the heavy lectures involving quantum mechanics. All of thy geometry, HerrPlanck, is fairly hard...: 3.14159265358979323846264...

1. 2. 3. 4. 5. 6. 7. 8. 9. 10. 11. 12. 13.

More examples: I took a quick glimpsing at bright stars far north. (3.)1415926535 I made a glass alligator...(3.)14159 "Can I have a Pepsi? Carbonate it please. Right now!" 3.141592653 by Jake Now I took a drink carefully as Shelly sings. 3.14159265 Tom, I need a drink. Powerades do things. Tomas -- you fetch Powerade.3.14159265358 And I love a giant continent on waters large and great. Computer Megastore Quality Hamburger Set is now everyday sold inside my hotrod. 3.1415926535897932384626 I hope I dance beautiful in eleven years for mommy. (3.)1415926535 I love a seven backboned TV. Shrews which ate seven gorillas fabricate dresses.(3.)1415926535897 I want a mouse notifying me eleven times for three weekends. (3.)14159265358 For a time I stood screaming at George while Ann cried. 3.1415926535 I want a pizza, yesterday we wanted pizza, Yes-- pizza! (3.)1415926535 Yes, I like a flute. Classical is lovely music. The music revolves immensely through knowledge. 3.14159265358979 I ride a horse.Saturdays at eleven. Every day light. (3.)1415926535

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Compilation of ECE Mnemonics 14. 15. 16.

Can I tell a story regarding my family lives and views? 3.1415926535 And I Love a Pizza. Yesterday my sister drank,ate 3.141592653 I can't.I hadn't memorized pi digits since the work's terribly difficult.(3.)141592653589 Mnemonic device We require a mnemonic to remember e whenever we scribble math To express e, remember to memorize a sentence to simplify this Explanation The lengths of the words constitute the number 2.7182818284 e (the base for natural logarithms) Constant e = 2.718281828459045

  

United States President Andrew Jackson served 2 terms in office. He was the 7th president and was elected in1828. Split up E by groups. 2.7 is easy to remember. Then, 1828 — twice. Finally, a 45-90-45 triangle. Thus e is 2.7 1828 1828 45-90-45 e = 2.7182818284: Count the characters in the words: To express e, remember to memorize a sentence to simplify this or We require a mnemonic to remember e whenever we scribble math What is the Speed of Light?

The sentence We guarantee certainty, clearly referring to this light mnemonic . represents the speed of light in meters per second through the number of letters in each word: 299792458 m/s Conversion Mnemonic device To convert from a Larger metric unit to a Smaller metric unit, think of alphabetical order. You would move from the letter L to the right to get to the letter S.You would move to the left from the S in "smaller" to get to the letter L in "larger." Explanation

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Compilation of ECE Mnemonics To convert from a LARGER to a SMALLER metric unit - move the decimal to the Right as many places as indicated by the # of zeros in the ten's power.To convert from a SMALLER to a LARGER metric unit move the decimal to the Left as many places as indicated by the # of zeros in the ten's power. Mnemonic device King Hector Died Mysteriously Drink Chocolate Milk. Explanation Metric system... first letter in each words matches the metric system Greatest to least. ex. Kilo, Hecto, Deka, Meter, Dec, CM, MM Mnemonic device Kids Hate Doing Math During Cloudy Mondays Km Hm Dam M Dm Cm Mm Explanation Kilometer Hectometer Dekameter Meter Decimeter Centimeter Millimeter also helps when converting (ex.meters to millimetres) just count how many spaces from meters to millimeters to find out where to place decimal. Mnemonic device Good Models know how Dunkin donuts can make U not petit Explanation giga, mega, kilo, hecto, deca, deci, centi, milli, micro (symbol looks like a U), nano, pico Mnemonic device King Henry Died While Drinking Chocolate Milk. Explanation This mnemonic device will help with the metric system prefixes. Kilo, Hecto, Deka,whole, deci, Centi, Milli Mnemonic device King Henry died bloated drinking chocolate milk. Explanation These stand for the Metric prefixes and base unit. Kilo, Hecto, Deca, base, Deci, Centi, Milli Mnemonic device King Henry Danced Merrily Down Center Main Meeting Nice People Explanation The Metric Prefixes:Kilo, Hecto, Deca, METER, Deci, Centi, Milli, Micro, Nano, Pico Mnemonic device Kangaroos Hop Down Mountians Drinking Chocolate Milk Explanation Kilo-Hecto-Deka-(M-L-G)-Deci-Centi_Milli Mnemonic device Kings hate dragons because dragons can't make money. Explanation Metric system prefixes (kilo, hecto, deca, base, deci, centi, milli, micro) Mnemonic device Kittens Hate Dogs But Do Chase Mice Explanation Kilo- Hecto- Deca-Base(meter)-Deci- Centi- Milli Mnemonic device Great mighty king henry died by drinking chunky milk Explanation Giga, mega, kilo, hecto, deka, BASE, deci, centi, milli, Mnemonic device Kill Him Dead Or Don't Call Me Explanation

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Compilation of ECE Mnemonics Kilo Hecto Deco (Meters, Liters, OR Grams) Deci Centi Mili This allows for all metric measurements, not just meters.

        





Metric System King Henry Drinks Much Dark Chocolate Milk The order of prefixes in the metric system, for every power of ten from 3 to -3, is Kilometre, Hectometre,Decametre, Metre, Decimetre, Centimetre, Millimetre: King Hector's Daffy Mother Drinks Chocolate Milk King Henry's Daughter Makes Delicious Chocolate Muffins King Henry Died Monday Drinking Chocolate Milk King Henry Died! Mother Didn't Care Much King Hector Dector Makes Delicious Chocolate Milk Kangaroos Hop Down Mountains During Cold Months Kings Have Diamonds. Most Diamonds Cost Money. King Henry Died Monday During Christmas Mass. This variant is for the prefixes Kilo-, Hecto-, Deca-, then the Base unit (such as metre, gram, litre), then the prefixesDeci-, Centi-, Milli-: Kings Have Diamonds But Diamonds Cost Money The prefixes for powers of ten from 18 to -18 using increments of 3 are Exa- (18), Peta- (15), Tera(12), Giga- (9), Mega- (6), Kilo- (3), unit (0), Milli- (-3), Micro- (-6), Nano- (-9), Pico- (-12), Femto- (15), Atto- (-18): Exacting Petals, Terribly Gigantic Megaphones Killed 1 Million Microscopic Nasturtiums Picked Freshly by Attorneys. A subset of the prefixes is Tera- (12), Giga- (9), Mega- (6), Micro- (-6), Nano- (-9), Pico- (-12), Femto- (15),Atto- (-18): The Gooey Monster May Not Pick Five Apples. Arithmetic MDAS - My Dear Aunt Sally Mnemonic device Please Exuse My Dear Aunt Sally Explanation Order Of Operations- parentheses,exponents,multiplication, divison, addition ans subtraction Mnemonic device Please Excuse My Dear Aunt Sally For Little Rock Explanation Used to remember the order of arithmetic operations (Parentheses, Exponent, Multiply, Divide, Add, Subtract, From, Left, to Right) Mnemonic device People everywhere must devour additional seafood. Explanation Order of operations Parentheses, exponents. multiplication, division, addition, subtraction

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Compilation of ECE Mnemonics Order of Calculations in Math For remembering the order of calculations in math: Put Every Man Down And Shout Also: Please Excuse My Dear Aunt Sally Please Execute My Dog And Soon The order: Parentheses, Exponents, Multiplication, Division, Addition, Subtraction. Mnemonic device Kentucky Chicken Fried Explanation Used to remember division of fractions rule: Kentucky: "K"eep the first fraction Chicken: "C"hange the division to multiplication Fried: "F"lip the second fraction Dividing Fractions Kentucky Chicken Fried Notice the name is switched a little from that most famous fast-food chicken joint from blue grass country. Use "Kentucky Chicken Fried" to remember KCF. K -- Keep (the first fraction) C -- Change (the sign from divide to multiply) F -- Flip (the last fraction) Mnemonic device I ate and ate until I was sick on the floor. 8 x 8 = 64. Explanation multiplication mnem. Mnemonic device 8 times 8 fell on the floor, pick it up and its 64 Explanation its an easy way to remember 8 x 8. Mnemonic device Six and Eight went out to skate, when they came back they were fourty-eight. Explanation A mnemonic to remember what 6x8 is Mnemonic device To multiply by 9, hold hands palm down in front of you, and fold down the finger (counting from the left pinky to the right pinky) of the number multiplied by 9. The fingers to the left of the folded down one will give you the number of tens. The fingers to the right of the folded down one will give you the number of ones. Explanation Multiplication of 9 x any number from one to 10) Mnemonic device The Rule of Nines - Multiplication Explanation Between one times and 9 times nine, the numbers in the result always add up to nine ! 9 1+8 2+7 3+6, etc.

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Compilation of ECE Mnemonics The Rule of Nines - Multiplication

Between one times and 9 times nine, the numbers in the result always add up to nine ! 9 1+8 2+7 3+6 etc. Mnemonic device Does McDonald's Sell CheeseBurgers and Shakes? (DMSCBS) Explanation Order of the algorithm of a long division problem. DMSCBS stands for Divide, Multiply, Subtract, Check that the divisor is larger than your remainder, Bring down the next number, and Start all over again.

Mnemonic device No Dirty Dogs! Numerator Divided (by) Denominator Explanation To read or convert fractions rememberNumerator Divided (by) Denominator.3/53 divided by 5 = 0.6 Hint: the decimal six tenths is equivalent to three fifths. Students tend to divide the LARGER # by the SMALLER number and commonly miss these types of items. Also, I teach my students to automatically "annex 0's by writing the "understood decimal, placing it on the quotient bar directly above, and then annexing at least two zeros. Mnemonic device Everybody's Daddy, Mother, Sister, Brother, Reunion, Celebration Explanation Estimate, Divide, Multiply, Subtract, Bring Down, Redo (all steps), Check (by multiplying the quotient plus any remanider times the divisor.) Students use compatable numbers to estimate the quotient. Then follow each step to complete the division. ALWAYS check by multiplication to find the dividend. Note: If it is a decimal number that repeats - it will never be the exact dividend but will round to the exact dividend.Brenda Woods shared this one & my stuedents added the ist & last words. Mnemonic device Dull Monkeys Swim Backwards or Does Mcdonalds Sell Burgers Explanation divide, multiply, subtract and bring down

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Compilation of ECE Mnemonics Mnemonic device "Mr. Mean" draw a face ++ C - supposed to be division symbol Explanation Mr. Mean never smiles and makes you work start with the eyes-add #'s nose-count #'s mouth-divide by that number The steps for long division Dracula Must Suck Blood 1) The steps for long division are Divide, Multiply, Subtract, Bring Down:  Dad Mom Sister Brother  Dead Monkies Smell Bad 2) Everybody's Daddy, Mother, Sister, Brother, Reunion, Celebration for: Estimate, Divide, Multiply, Subtract, Bring Down, Redo (all steps), Check (by multiplying the quotient - plus any remanider times the divisor.) 3) Does McDonald's Sell CheeseBurgers and Shakes? Order of the algorithm of a long division problem: Divide, Multiply, Subtract, Check that the divisor is larger than your remainder, Bring down the next number, andStart all over again. Mnemonic device BODMAS Explanation stands for Bracket Of Division Multiplication, Addition and Substraction.. Mnemonic device BIDMAS Explanation Brackets, Indices, Division, Multiplication, Addition, Subtraction Mnemonic device Please Excuse My Dear Aunt Sally! Explanation PEMDAS,the order of operations. Parenthesis Exponents Multplication or Division [which ever is first from left to right] Addition or Subtraction [which ever is first from left to right] Sentence to remember Roman Numerals The ascending order of Roman numerals: LCDM: Lucky Cows Drink Milk Lucy Can't Drink Milk The Roman numerals in order for I, V, X (1, 5, 10) I Vant XRays

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Compilation of ECE Mnemonics

The Roman numerals in order for I V X L C D M (1 5 10 50 100 500 1000) I Value Xylophones Like Cows Dig Milk A Poem to remember all the Roman numerals: M's "mille" (or 1000 said) D's half (500 - quickly read!) C's just a 100 (century!) and L is half again - 50! So all that's left is X and V (or 10 and 5) - and I - easy!

Algebra On another mathematical subject, some uses EIEIO as a mnemonic for extracting roots and when the absolute value symbols are required in the answer Even Index, Even In yielding Odd (exponents). Many people remember the Order of Operation in Maths with the word Brackets Of (fractions: 1/2 of 2) Division Multiplication Addition Subtraction (BODMAS or BOMDAS) Order of Operations PEMDAS- Parenthesis, Exponents, Multiplication & Division, Addition & Subtraction can be remembered by the phrase: "Please excuse my dear Aunt Sally."

For those wishing to remember which is the domain and which the range: ^y | |-----\___ | _ \__|[email protected]@@@@@@ | |_| \ [email protected]@@@@@ |____ / [email protected]@@@@@@ |____| / |-----/ | +-------------------> x Mnemonic device DRY MIXRemember variables and how to graph. Explanation DRY- dependent or responding variables are graphed on the Y-axis.Note: The letter "Y" reaches up vertically and the letter "X" goes across itself.MIX -independent or manipulated variables are graphed on the X-axis. (I don't know who came up with this one.)

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Compilation of ECE Mnemonics How to multiply two binomials together?

BINOMIAL MULTIPLICATION If you had to multiply two binomials together such as (a+b) and (c+d), how would you keep track of the resulting products to make sure that you have multiplied everything and not left anything out. Think of FOIL First, Outer, Inner, Last (a+b)*(c+d) = ac(first) + ad(outer) + bc(inner) +bd(last) Factoring a Trinomial with a Lead Coefficient

1. 2. 3. 4. 5.

The "3R" Method: "R"emove the lead coefficient, but don't throw it away. Multiply the constant with the lead coefficent. Factor the remaining trinomial "R"eplace the lead coefficent you removed. Put it in front of both x's. "R"educe! Reduce the numbers in each set of parenthesis, as you would a fraction, to lowest terms. Optional - use the FOIL method to check and see that I am right. *note: if the three numbers in the trinomial have a common factor it must be factored out in the beginning for the "3R" method to work. Mnemonic device The alligators always want to eat the most they can. (They always eat the bigger number.) EX: 1 < 2 Explanation Helps with greater then and less then. Mnemonic device Pinch goes to the smaller number Explanation

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Compilation of ECE Mnemonics 3 < 4, 4 > 3 (Pinch the 3) Mnemonic device Negative B, negative B, plus or minus the square root, plus or minus the square root, of B squared minus 4 A C, B squared minus 4 A C, all over 2 A, all over 2 A. Explanation This is sung to the tune of Frare Jacques. It is the quadratic formula Mnemonic device < is an arrow point shooting LEFT (LESS THAN)> Is an alligator's mouth opening to the larger food (GREATER THAN). Explanation -9 1/2 Seventy-five percent is greater then (50%) 1/2. Solving absolute value inequalities When solving absolute value inequalities: if the absolute value is greater than a number you must use the conjunction OR, when the absolute value is less than a number you must use the conjunction AND. To remember this just remember two words "GOR"-"LAND," which translate into "G(greater)OR" and"L(less than)AND". When I introduce this topic I tell students that we are about to enter "GOR-LAND." (no political implications intended) Mnemonic device NO GAINS ON SACRIFICE Explanation NO GAINS ON SACRIFICE Is a Mnemonic to remember a Formula for Gain Ratio and Sacrifice RatioGain Ratio = New Ratio - Old RatioSacrifice Ratio = Old Ratio - New RatioThis Slogan or Proverb is applicable for all Parents who sacrifice for their Children without expecting any Gains for their sacrifices. This Formula is usefull in application of Profit Sharing Ratio in case of a partnership firm.In case a new partner is admitted into the Business then the old profit sharing is no longer valid and a new profit sharing ratio is required. Besides Bringing capital into the business the new partner is also supposed to bring some additional funds as gift for the old partners. This gift is called as Goodwill. So when the New Partner brings Goodwill Amount into the business this amount is supposed to be distributed to the old partners in Sacrifice Ratio.The Formula for Sacrifice Ratio BeingOld Ratio - New Ratio Similarly when any partners retires from Partnership Firm the Outgoing partner is supposed to get his share in the Goodwill of the partnership firm. In this case the Remaining partner [those who continue to be in Business and do not retire] are supposed to Contribute for Goodwill for the retiring partner. This Contribution is in Gain Ratio whihc is calculated as followsNew Ratio - Old Ratio Several Mnemonics for Equation Solving Greg Smith: I use many SMATHism 's in class. Here are several: In equation solving, I emphasize that we always do "things" in pairs to maintain equality in mathematices. In equation solving, I emphasize that we need only perform one opposite to "get rid of" something . For equation solving when we want to undo something, we use B. S. well actually double B. S. to determine where to perform the operation the Back Side of Both Sides of the equation, or the Bottom Side of Both Sides of the equation. When you substitute, always substitute as a quantity.

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Compilation of ECE Mnemonics

The verb always becomes the equal sign in equations. Formulas: A=(pi)r^2

Apple pies r square

A=(pi)r*r

Apple pies r round

C = (pi)d

Cherry pie delight

I=prt

I "am" p-r-t

pronounced I am pretty

rt = d

rt are d

pronounced retard

The three s's of equation solving: Substitute, simplify, solve

POLYGON Mnemonics: dont try quitting please have hope or never do it Meaning: digon triangle quadrilaterl pentagon hexagon heptagon octagon nonagon decagon

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Compilation of ECE Mnemonics

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Compilation of ECE Mnemonics Trigonometry Mnemonic device Some Old Hags Can't Always Hide Their Old Age Explanation Trigonometry: Sine = opposite /Hypotenuse Cosine = Adjacent/Hypotenuse Tangent = Opposite / Adjacent Mnemonic device "TSC! TSC!" said the math teacher. "It's Over All Our Heads, AssHole," said the miscreant in the back. Explanation TSC is Tangent, Sine, Cosine. Over: Opposite All: Adjacent Our: Opposite Heads: Hypotenuse Ass: Adjacent Hole: Hypotenuse It's not brilliant. I came up with it when I was about fifteen. But it worked. Mnemonic device Some People Have Curly Black Hair Thickly Plasterd Back Explanation To remember trigonometric functions by first letters. sine = perpendicular / hypotenuse. cosine = base / hypotenuse tan = perpendicular / base Mnemonic device Some People Have Curly Black Hair Turning Purple Blue Explanation In Trignometry, Sine=Perpendicular/ Hypotinuous, Cosine= Base/ Hypotinuous, Tan=Perpendicular/Base "SOHCAHTOA": SOH: sine x = opposite side / hypotenuse CAH: cosine x = adjancent side / hypotenuse TOA: tangent x = opposite side / adjacent side Mnemonic device SOH-CAH-TOA Explanation Pronounced "soak a toe-uh"SOH ... Sine = Opposite leg divided by the Hypotenuse CAH ... Cosine = Adjacent leg divided by the Hypotenuse TOA ... Tangent = Opposite leg divided by the Adjacent leg Many secondary school students remember the basic trigonometric functions with the phrase SOH-CAHTOA (pronounced "soak a toe-uh"). SOH ... Sine = Opposite leg divided by the Hypotenuse

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Compilation of ECE Mnemonics CAH ... Cosine = Adjacent leg divided by the Hypotenuse TOA ... Tangent = Opposite leg divided by the Adjacent leg The sine, cosine, and tangent ratios in a right triangle can be remembered by representing them as strings of letters, as in SOH-CAH-TOA: Sine = Opposite ÷ Hypotenuse Cosine = Adjacent ÷ Hypotenuse Tangent = Opposite ÷ Adjacent Also used is its reverse, OHSAHCOAT (pronounced oh-sah-coat). It is interpreted as OHS-AHC-OAT, as shown below. Opposite ÷ Hypotenuse = Sine Adjacent ÷ Hypotenuse = Cosine Opposite ÷ Adjacent = Tangent One way to remember the letters is to sound them out phonetically (i.e. "SOHCAHTOA"). [12] Another method is to expand the letters into a phrase, such as 

  

"Some Old Horses Chew Apples Happily Throughout Old Age" Or, as popularized at Cincinnati's St. Xavier High School, they use the simple phrase Sally Can Tell : Oscar Has A Hard On Always. (It's been theorized that mnemonic devices that reference strong emotions, such as sexual feelings, imprint a stronger memory. However "Hat On" works equally well, but seems to be less memorable.) Oscar Had A Heap Of Apples also works if you can remember the sine, cosine, tangent order. "One Hopes, And Hopes, On America" was widely taught to British schoolchildren during World War II (the sine-cosine-tangent order was presumed). Not only was it a good mnemonic, it also served to reassure the children that Great Britain was not doomed to Nazi annihilation. You can also remember the basic trigonometric functions with the phrase "Some Old Hippie, Caught Another Old hippie, Tripping On Acid" For remembering the sign of trig functions in the quadrants: All Suckers Take Calculus: in quadrants one through four S|A ---|--T|C

(This MUST be viewed in a non-proportional font): ----------------| | | SIN-----COS | | \ / | | \ / | | \/ | | TAN--1--COT | | | /\ | | | |/ \| | | |/ \| | | SEC CSC | | |

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Compilation of ECE Mnemonics ----------------(SIN TAN SEC on left, CO-functions on right, 1 in the middle) Using this chart (I just look at it in my head) you can remember the following things: Across the 1: 1/SIN=CSC or 1/CSC=SIN 1/TAN=COT or 1/COT=TAN 1/SEC=COS or 1/COS=SEC Down any triangle: SIN^2+COS^2=1 TAN^2+1 =SEC^2 1+COT^2=CSC^2 Up any triangle: SEC^2-1 =TAN^2 or 1+TAN^2=SEC^2 CSC^2-1 =COT^2 or CSC^2-COT^2=1 1-SIN^2=COS^2 or 1-COS^2=SIN^2 A function and its two nearest CLOCKWISE or COUNTERCLOCKWISE neighbors around any edge of the square: (listed starting at tan going clockwise) TAN=SIN/COS SIN=COS/COT COS=COT/CSC CSC=SEC/TAN SEC=TAN/SIN (listed starting at tan going counter-clockwise) TAN=SEC/CSC SEC=CSC/COT CSC=COT/COS COS=SIN/TAN SIN=TAN/SEC A function and its two neighbors around any edge of the square: (listed starting at tan going clockwise) TAN=SIN*SEC SIN=COS*TAN COS=COT*SIN CSC=COT*SEC SEC=TAN*CSC Mnemonic device CAST going clockwise starting from bottom right quadrant of graph axes. Always measure from the x axis to the angle line. Explanation C is the area where the angle is postive for Cosine. A is the area where the angle is postive for all trigonometric functions. S is the area where the angle is positive for Sine. T is the area where the angle is positive for Tangent. Mnemonic device All Saints Take Cocaine Explanation

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Compilation of ECE Mnemonics Trigonometric relation to remember All are positive in first quadrant, Sine is positive in second, Tangent is positive in third and Cosine is positive in fourth Sine? Cosine? Tangent?

1) An easy way to remember these relationships for trig functions and the right triangle. Just write down this mnemonic: SOH - CAH - TOA It is pronounced "so - ka - toe - ah". The SOH stands for "Sine of an angle is Opposite over Hypotenuse." The CAH stands for "Cosine of an angle is Adjacent over Hypotenuse." The TOA stands for "Tangent of an angle is Opposite over Adjacent." Thanks Bob H. 2) Opposite /(over) Adjacent = Tan Opposite /(over) Hypotenuse = Sine Adjacent /(over) Hypotenuse = Cosine To remember this just learn the following phrase: One Ancient Teacher Of History Swore At His Class

Geometry POLAR COORDINATES! WAYAYAY SIN! Mnemonic device All Students Take Calculus Explanation In quadrant I All trigonometric functions are positive; in quadrant II only Sine is; in quadrant III only Tangent is; and in quadrant IV only Cosine is. Mnemonic device Add Suka To Coffee Explanation In quadrant I All trigonometric functions are positive; in quadrant II only Sine is; in quadrant III only Tangent is; and in quadrant IV only Cosine is.

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Compilation of ECE Mnemonics Mnemonic device Ang Sarap Talaga ng Cobra Explanation In quadrant I All trigonometric functions are positive; in quadrant II only Sine is; in quadrant III only Tangent is; and in quadrant IV only Cosine is. Mnemonic device pe"rim"e t er Explanation The t looks like a plus sign; therefore you add the rim (sides) Mnemonic device 2(Little Willy)+ 2(Lost His)+ 2(White Hat) Explanation surface area of a rectangle: 2LW+2LH+2WH Mnemonic device pahinge ng email add para ma e=a/d = c/a sa facebook Explanation eccentricity Calculus 

For remembering the order of taking the derivative of a quotient in calculus, the phrase "ho-di-hi,

hi-di-ho, ho-ho" can be useful, where ho means the bottom, hi means the top, and di means the derivative. So,

Another phrase that one may use is: "Bottom d Top, Top d bottom", where "d" stands for derivative (note that this mnemonic does not include the crucial dividing by the bottom squared). Another phrase memorable for sounding like a square dance is "low d high less high d low, draw the line and square below."

Differential Calculus Santa Claus mnemonic Quotient rule for derivatives ala Cab Calloway: Hodehi minus hideho over hoho. Is dc negative? Means Integrate Sine / Differentiate cos gives negative Differential Equation Mnemonic device Yes p dx equals sques p dx dx Y times e raised to the integral of pdx equals integral of q times e raise to intgral of pdx dx Explanation Solution of Linear Differential Equation

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Compilation of ECE Mnemonics

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Compilation of ECE Mnemonics Probability and Statistics Mnemonic device Mean, M-E-A-N,Add the numbers, then,Count the numbers and divide,Mean, M-E-A-N. Explanation Helps students remember the steps to find the mean.To remember how to find the mean, or average of a group of numbers, sing this song to the tune of "Row, Row, Row Your Boat". Mnemonic device MEAN means the Average.MODE is the Most frequent.MEDIAN is the middle in a numerically ordered set of data.Range is all #'s that are located on the number line between the highest & lowest data. Explanation Mean - Add all data & use this sum as your dividend when you divide by the total number of data in the set.Mode- There is NO MODE UNLESS one and only one number appears more than any other number in the data set!Median - There will be two ordinal numbers in the middle of an even set of data. Find the mean / average. This quotient may be a decimal number but there can be ONLY ONE MEDIAN NUMBER!Range - Simply subtract the lowest data # from the highest data #. Note: You usually do not include the extremes unless you are asked to give the range of prices. Ex. Dresses are - $48, $50. $77. $98. In this case, the range of prices is from $48.00 to $98.00 and does include the two extremes. Remembering the methods of finding averages Four methods of finding averages… Mode - is the number (or numbers) that appears most frequently in a set. Median - is the number exactly in the middle when a set of numbers is listed in order. Mean - is the sum of a set of numbers, divided by the number of numbers in the set. Range - is the difference between the highest and lowest numbers in a set. Here is the way to remember these four methods of finding averages… Medium-Range Mean Model

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Compilation of ECE Mnemonics ELECTRONICS DISCO - in Dc analysis, Inductor Short, Capacitor Open Sa DC hihilahin lang yung schematic symbol. Bali yung inductor -oooo- pag hinila shorted -------- ... ung capacitor -||- pag hinila open -| |- same sa steady state response. Pwede din gamitin yung schematic symbol para sa capacitor blocks dc, inductor blocks ac. Electricity & Magnetism Maxwell Relations

A mnemonic used by physics students to remember the Maxwell relations in thermodynamics is "Good Physicists Have Studied Under Very Fine Teachers", which helps them remember the order of the variables in the square, in clockwise direction. Another mnemonic used here is "Valid Facts and Theoretical Understanding Generate Solutions to Hard Problems", which gives the letter in the normal left to right writing direction. Mnemonic device Jejemon for Ferromagnetic and Jejebuster for Ferrimagnetic Explanation Ferromagnetism (all domains align in parallel) and Ferrimagnetism (some domain are anti-parallel) ECE Reviewee Mnemonics Voltage is to Electric Field, Current is to Magnetic Field

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Compilation of ECE Mnemonics DC/AC Circuits Ohm's Law

Virgins Are Rare for: volts = amps x resistance

E = Volts I = Current (Amperes) R = Resistance I = E/R or Current = Voltage / Resistance E = I*R or Voltage = Current * Resistance R = V/E or Resistance = Voltage / Current

The Indian sees the Eagle Over the River _________E__________ _____I_________R____ Sort of an Ohm's Law Mnemonic

Voltage Formula?

 

Voltage = Current x Resistance VladImiR Putin (V = IR) Voodoo Doll = Curse x Revenge

ICE - ELI :) Inductor Current Lags Voltage, Capacitor Current Leads Voltage

ELI the ICE man

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Compilation of ECE Mnemonics E(L)I Voltage leads Current in an Inductor I(C)E Current Leads Voltage in a Capacitor

For current and voltage phase relation in capacitors and inductors

CIVIL C I V I L Capacitor Current Voltage Current Inductor in a capacitor, current lead voltage voltage leads current in an inductor Current Leads or Lags Voltage in Reactive Circuits

Whether current leads voltage or lags it in reactive circuits. In inductive ('L') circuits, voltage ('E') leads current ('I'), hence 'E L I'. In capacitive ('C') circuits, it's the other way, so 'I C E'. ELI the ICE man Mnemonic device Twinkle Twinkle Little Star Power equals I squared R Explanation Power in watts = V * V * I(or in SI P=U*I)

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Compilation of ECE Mnemonics



Energy Conversion Energy Transferred Energy Transferred = Potential Difference x Charge E.T's Phone Calls Left and Right Hand Rules

Flemming's Left and Right Hand Rules: To remember which rule to apply for finding the relationship between motion and magnetic field Generightor : ie use Flemming's Right hand rule for Generators; and Left hand for motors Losses in a Transformer

Assuming a standard iron or ferrite (ie not air) cored Transformer:

Hysteresis Eddy Magnetic ElectricalCopper : HEMEC

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Compilation of ECE Mnemonics Semiconductor Theory

Parts of an Atom

Protons Electrons Neutrons PEN BIG PAA Boron, Indium, Gallium (all three are trivalent) Phosphorus, Antimony, Arsenic (pentavalents) ECE Reviewee Mnemonics Impurities: BIG PAA Trivalent: B-oron I-ndium G-allium (BIG is associated with number 3) P-hosporous A-rsenic A-ntimony (P sa umpisa ng PAA is Penta)

Electronic Devices Fundamentals Resistor color code:        

  

Bad Boys Rape Only Young Girls But Violeta Gives Willingly Grob Said Nothing Black Boys Rape Our Young Girls But Virgins Give Willingly.Get Some Now! Black Boys Raped Our Young Girl But Violeta Gave Willingly, Grabe Siya Noh?! Bad boys run our young girls behind victory garden walls Big boys race our young girls but Violet generally wins. Big brown rabbits often yield great big vocal groans when gingerly slapped The phrase "Bad Boys Rape Our Young Girls But Violet Gives Willingly" but is used to remember the electronic color codes of resistors, capacitors and other electronic components. A milder version is "Bright Boys Rave Over Young Girls But Veto Getting Wed." "Black Bastard Raped Our Young Girl, Bloody Virginity Gone West" For EIA electronic color code: Bad beer rots our young guts but vodka goes well – get some now  Bad boys run our young girls behind victory garden walls.  Bad boys rape our young girls but Violet gives willingly.  Big boys race our young girls but Violet generally wins. Big brown rabbits often yield great big vocal groans when gingerly slapped Bak BRO, Yeah Greasy Blubber's Very Grabable, Why? B.B. ROY of Great Britan has Very Good Wife  Bye Bye Rosie Off You Go Birmingham Via Great Western  Bye Bye Rosie Off You Go Bristol Via Great Western

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Compilation of ECE Mnemonics  

Bye Bye Rosie Off You Go do Become a Very Good Wife Bill Brown Realized Only Yesterday Good Boys Value Good Work

Order of Colors of Resistors Electronic resistors have colored bands on them to denote their level of resistance. Each color represents a number from 0 to 9. In the order of the mnemonic: Bad Boys Ruin Our Young Girls, But Violet Goes Willingly Bad Girls Black - 0 Boys But Brown - 1 Ruin Violet Red - 2 Our Goes Orange - 3 Young Willingly Yellow - 4

Green - 5 Blue - 6 Violet - 7 Grey - 8 White - 9

Better Be Right Or Your Great Big Venture Goes West Bad Boys Rape Our Young Girls, But Violet Goes Willingly Bad Boys Rape Our Young Girls Behind Victory Garden Walls Bad Beer Rots Our Young Guts, But Vodka Goes Well. Bad Boys Rough Our Young Girls, But Violet Goes Willingly

Mnemonic device Better Be Right Or Your Great Big Venture Goes West Explanation Ohms value of the color bands of resistors (dark first, light last) Color first&second bands third band Black 0 .0 Brown 1 0 Red 2 00 Orange 3 000 Yellow 4 0,000 Green 5 00,000 Blue 6 000,000 Violet 7 0,000,000 Grey 8 00,000,000 White 9 000,000,000 Mnemonic device Bad Boys Rape Our Young Girls But Violet Gives Willingly Explanation To remember the resistor color code (Rarely used now that the world has gone surface mount) Mnemonic device Bad Boys Rape Our Young Girls But Violet Gives Willingly. Explanation For color bands on transisiters. Black, Brown, Red, Orange, Yellow, Green, Blue, Violet Gold, White Mnemonic device Bad Booze Rots Our Young Guts, But Vodka Goes Well Explanation Resistor color band digit order: Black [0], Brown [1], Red [2], Orange [3], Yellow [4], Green [5], Blue [6], Violet [7], Gray [8], and White[9]. Mnemonic device Better Be Ready Or Your Great Big Venture Goes West.

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Compilation of ECE Mnemonics Explanation It is the resistor color code:Black, Brown, Red, Orange, Yellow, Green, Blue, Violet, Gray, White. Numerically 0-9 to get the value of a resistor via the color coded bands.(From an old Boy Scout book on Electricity or Electronics) Also note that red through violet are the colors of the rainbow (in order) although the ROY G. BIV mnemonic for rainbow colors includes indigo between blue and violet. Capacitor Mnemonic device yung AC makakadaan sa capacitor kasi umiilag..kaya high pass.. Transistors Pee iN the Pot (PNP) For transistors: to remember which one has the arrow pointing toward the intersection of the connections. Transistor: ( use with electronic standard symbol) PNP - Pasok Na Pasok NPN - NaPalabas Na NaPasok Na ECE Reviewee Mnemonics PNP - Pasok Na Pasok, NPN - Na Pasok Na (so lalabas na sya), reminder lang :)

Transistor configuration: ACE, BCB, GEB ACE => Alpha = iC/iE BCB => Beta = iC/iB GEB => Gamma = iE/iB FIFO - First In First Out LILO - Last In Last Out Computer Principles Mnemonics in computer science tend to be less pervasive as most abbreviations are brief. Some terms still warrant a mnemonic such as People Can't Memorize Computer Industry Acronyms (PCMCIA) PCMCIA:President Clinton Makes Cornbread In Arkansas

Through the 1990s, whenever I heard about ISDN, I always thought "It Still Does Nothing." It's because the standard documents for ISDN came out around 10 years before you could actually buy any product. When Broadband ISDN came out (B-ISDN) there was around 3 years between standard and product, and we knew that as "But It Still Does Nothing". For the order of declarations in Pascal: Let's Cook Textured Vegetable Protein For: Labels, Constants, Types, Variables, Procedures Mnemonic device How To Make Love

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Compilation of ECE Mnemonics Explanation A mnemonic for the correct spelling of the word 'HTML' (hyper text markup language) To remember the spelling of html, instead of hmlt or hltm. Mnemonic device People Cannot Memorize Computer Industry Acronyms Explanation The PCMCIA is an acronym for Personal Computer Memory Card International Association (also has been known as Peripheral Component Microchannel Interconnect Architecture (IBM)). Typically they are referred to as PC Cards for simplicity. PC Cards Personal Computer Memory Card International Association: People Cannot Memorize Computer Industry Acronyms People Cannot Make Clear, Intuitive Acronyms Personal Computer Manufacturers Can't Invent Acronyms The PCMCIA also has been known as Peripheral Component Microchannel Interconnect Architecture (IBM). Typically they are referred to as PC Cards for simplicity. Mnemonic device LoVe HAte (LVHA) Explanation In CSS the correct sequence to declare pseudo-selectors of anchors: Link, Visited, Hover, Active Cascading Style Sheets When designing a page using CSS, the order used to design links is: Link, Visited, Hover, Active: LoVe HAte Top, Right, Bottom, Left: TRBL (TRouBLe) Tommy Ran By Lucy ("LoVe HAte" indicates the correct order to specify the link state pseudo-classes in Cascading Style Sheets. "TRBL" indicates the correct order to set margins or padding.)

Mnemonic device Every Rabbit Associates Kindly With Gophers Explanation 6 Step Process for drawing an ER schema. Identify: Entities, Relationships, Attributes, Key constraints, Weak entities, Generalizations Mnemonic device He Plays Ball Explanation Turning off a computer Hold Power Button Mnemonic device Raising Elephants Is So Utterly Boring

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Compilation of ECE Mnemonics Explanation In Linux, pressing Ctrl+Alt+SysRq (Print Screen, on modern keyboards), releasing SysRq, and, still holding Alt, pressing R E I S U B in that order (with a slight pause between each) will reboot even the most stubbornly frozen system. This works because R E I S U B are the magic SysRq keys that correspond to: resetting the keyboard state, sending SIGTERM to all processes, sending SIGKILL to all running processes, synchronizing all filesystems, unmounting all filesystems, and rebooting. Networknames translation to IP-adresses

Cute White Babes Loves Hairy Dogs

The order for translating networknames to IP-adresses: Cache WINS Broadcast LMhosts Hosts DNS Important Keystroke Sequence in Linux Raising Skinny Elephants Is Utterly Boring "Raising Skinny Elephants Is Utterly Boring" is a mnemonic device for remembering a particularly important keystroke sequence in Linux. In the event of a total system freeze up, this is the failsafe way to safely reboot a near-frozen computer. Usage The first two key sequences to deal with a frozen machine are: Alt + Ctrl + to enter a command prompt. Normally the function keys F1 to F6 can be used. Control-Alt-Delete. This performs a regular shutdown, if possible, which allows running services to shut down normally. Using 'RSEIUB' follows these two steps as a last resort. The squence is performed as follows: While holding Alt and SysRq, press they keys R, S, E, I, U, and then B, in sequence, leaving some time between keystrokes.

Meaning

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Compilation of ECE Mnemonics

R places the keyboard in raw mode S synchronizes the disk E terminates all processes I kills all processes U remounts all filesystems read-only B reboots the machine ECE Reviewee Mnemonics RS NAND undefined states-LOW LOW-(think of maLANDi) RS NOR undefined states-HIGH HIGH-(think of HORny)

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Compilation of ECE Mnemonics GEAS

Chemistry Sentences to remember the elements

Periodic Table Group

1

2

3

4

5

6

7

8

9

10

11 12 13 14 15 16 17 18

Period 1

H

2

Li

Be

B

C

N

O

F Ne

3

Na Mg

Al

Si

P

S

Cl Ar

4

K

5

He

Ca Sc Ti

V

Cr Mn Fe Co

Ni

Cu Zn Ga Ge As Se Br Kr

Rb Sr

Y Zr Nb Mo Tc Ru Rh

Pd

Ag Cd In Sn Sb Te

6

Cs Ba

* Hf Ta W Re Os

Pt

Au Hg Tl Pb

7

Fr

Ir

Bi

I

Xe

Po At Rn

Ra ** Rf Ha Sg Ns Hs Mt Uun Uuu

/ Lanthanides Actinides

* La Ce Pr Nd Pm Sm Eu

Gd Tb Dy Ho Er Tm Yb Lu

** Ac Th Pa U Np Pu Am Cm Bk Cf Es Fm Md No Lr

bron: Carcamels Homepage Mnemonics: 1) First eighteen elements in the periodic table: Here He Lies Beneath Bed Clothes, Nothing On, Feeling Nervous. Naughty Margaret Always Sighs, "Please Stop Clowning Around." (H He Li Be B C N O F Ne Na Mg Al Si P S Cl Ar.) 2) First twenty elements in the periodic table: Hi Hello Little Beryll Brown Cracking Nuts On Friday . Nellie's Naughty Magpie Always Sings Pop Songs Clearly After Killing Cathy (H He Li Be B C N O F Ne Na Mg Al Si P S Cl Ar K Ca.)

Periodic Table

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Compilation of ECE Mnemonics Memorize these phrases to learn the first eighteen elements – when you are done, make up your own phrases for some of the others. Happy Henry Likes Beer But Could Not Obtain Food Happy Henry Likes Beer But Could Not Obtain Four Nuts That gives us the first 10: Hydrogen, Helium, Lithium, Beryllium, Boron, Carbon, Nitrogen, Oxygen, Fluorine, Neon. Naughty Magpies Always Sing Perfect Songs Clawing Ants That gives us the next 8: Sodium (NA), Magnesium, Aluminum, Silicon, Phosphorous, Sulfur, Chlorine, Argon group 1: HaLiNa Kayo Cesar at Ruby sa France! (H,Li,K,Cs,Rb,Fr) group 2: Be, MgCano ka Sr. BaRat? group 14: Cool Si General Sn. Pablo group 16: O! Sarap ng Senegang Tenapay at Poto grouop 18: HeNela ni Arlene ang Krayola ni Xena at Rona

Periodic Table Hydrogen He Lies Beneath Bright Coloured Nights Of Flame Neon Natures Magicians All Sing Psalms So Clearly Argon King Califf Scatters Titles Vainly Crowning Men Fee Coh & Ni CuZn Gar & Gee As Seven Brothers Krypton

Note CuZn is pronounced Cousin, Ni is pronounced Knee. First row transition elements: Some Tasty Virgins Can Make Fairly Calm Nice Chemists Zealous! Sc Ti V Cr Mn Fe Co Ni Cu Zn Scandinavian television corrupts many french coalmen's nieces and cousins Sc Ti V Cr Mn Fe Co Ni Cu Zn Scottish Vicars Make Fur Coats and Knickers Sc Ti V Cr Mn Fe Co Ni Cu Zn Stop the very crazy man from coming near cute zoos Sc Ti V Cr Mn Fe Co Ni Cu Zn and Your zoo needs men to rule rhinos, panthers, and cheetahs Yt Zr Nb Mo Tc Ru Rh Pd Ag Cd

SCrub TIl Very CRean... MaNy FEmales COntain NIce CUrvy ZoNes



And going downward (VIII B), NIce PaDded ParTs, and the money (I B) Copper, silver and gold that you have to pay. and after all that, (II B) If you're a Cad, you're lucky if the date ends with a Hug The Group VIII inert gases (helium, neon, argon, xenon and radon) may be recalled by the sentence "Heaven Never Arsked Kriegspiel's eXtra Rent"

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Compilation of ECE Mnemonics

Ito yung groupings ng elements (you need to know their general properties): Alkali Metal Alkaline Earth Basic Metal Halogen Noble Gas Non-Metal Rare Earth Semi-Metal Transition Metal

Mnemonic device How He Lies Because Boys Can Not Open Flowers Explanation First nine elements in the Periodic Table Mnemonic device Harry He Likes Beer But CanNot Obtain Food Explanation To remember the first few elements of the Periodic Table. Mnemonic device Here Lies Benjamin Bold; Cry Not Old Friend; Needlessly Nature Magnifies All Simple People Sometimes, Clots and Kings. Explanation To remember the first few elements of the Periodic Table. Mnemonic device Hi Hello Little Beryll Brown Cracking Nuts On Friday. Nellie's Naughty Magpie Always Sings Pop Songs Clearly After Killing Cathy Explanation Periodic Table - Atomic Weight 1st Twenty ElementsHydrogen 1, Helium 2, Lithium 3, Beryllium 4, Boron 5, Carbon 6, Nitrogen 7, Oxygen 8, Flourine 9, Neon 10, Sodium 11, Magnesium 12, Aluminium 13, Silicon 14, Phosphorous 15, Sulphur 16, Chlorine 17, Argon 18, Potasium 19, Calcium 20 Mnemonic device The Periodic Table (contributors include Bob Gayhart and Dean Campbell) Group 1A (H Li Na K Rb Cs Fr): -Highly Nasty Kids Rub Cats Fur -Hans liebt Natuerliche Kaese reibt (ueber) (c)zentralsued Frankreich. (!) Group 2A (Be Mg Ca Sr Ba Ra): -Bearded Muggers Came Straight Back Rapidly. -Beer Mugs Can Serve Bar Rats. Group 3 (B Al Ga In Tl): -Big Al Garner's In Trouble. -Big All Gave in Tulsa. -Big Al Gave Incomplete Totals. -Big Al Gave Innocent Toys. -Bob Allen Gave Indians Tennis Lessons. -Bears Always Give Indians Trouble. Group 4A (C Si Ge Sn Pb): Can Silly Germans Snatch Lead? -Conniving Sisters Get Snotty Playboys. -Can Si Get Snuckered at the Pub? Group 5 (N P As Sb Bi): -New Popes Assign Subordinate Bishops. -Never Put Arsenic in Silver Bullet Beer. Group 6A (O S Se Te Po): -Oil is slicker with STP. -Old Soldiers Seem Terribly Polluted. -Oversized Sailors Sell and Tell about Polo cologne. -Oh, she sells the poles. Group 7A (F Cl Br I At): -Frank Cleverly Brought Indian Attire. -Fairy Clowns Broil Innocent Ants. -Fat Clyde Bribed Innocent Arthur. -"Floor Cleaner Broken?" I asked. Group 8A (He Ne Ar Kr Xe Rn): -He Never Arrived; Karen eXited with Ron. -He needs our crazy Xerox repairman. First Row Transition Metals (Sc Ti V Cr Mn Fe Co Ni Cu Zn): -St. Vincent Cried "Mommy!" Feeling Cold Next to Cold Zombies. -Scott Tips Very Counterfeit Money, Feels Cold Near Cubic Zircons. -Scary Tiny Vicious Creatures Mean Females Come Nightly to Club Z. -Scotty Vickerman Fee cony cousin. -Scott

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Compilation of ECE Mnemonics tickled Vanna's cranium, manager Fred could not cut in. Second Row Transition Metals (Y Zr Nb Mo Tc Ru Rh Pd Ag Cd): -Yes sir, Nob. Most technicians rub Rod's pale silver Cadillac. Third Row Transition Metals (La Hf Ta W Re Os Ir Pt Au Hg): -Larry's half taken, Wendy reached out her plate audibly, Helga. Lanthanides (Ce Pr Nd Pm Sm Eu Gd Tb Dy Ho Er Tm Yb Lu): -Caesar Procrastinated at the Nile, Permitting So Many Europeans (who were) Getting Turbid (and) Dying (of) Home Urges (erges?) To Yell "Lutetium!". -Cecil proudly named Pam, Sam, (and) Eugene. Good Tobin dyes hosiery early tomorrow yellow-blue. Actinides (Th Pa U Np Pu Am Cm Bk Cf Es Fm Md No Lr): -Three planets: Uranus, Neptune, (and) Pluto. Amy cured Berkeley, California. Einstein (and) Fermi made noble laws. Explanation I think no explanation is needed to use that mnemonic.Its simple but effective Mnemonic device Please Stop Calling My African Zebra In Latin Class. Explanation Used to remember the reactivity series. Pottasium, Sodium, Calcium, Magnesium, Aluminium, Zinc, Iron, Lithium, CARBON. ECE Reviewee Mnemonics Grp 6 of Periodic Table: Our Solid Sex Temporary Position- Oxygen, sulfur, selenium, tellurium, polonium ECE Reviewee Mnemonics Group 7 of Period Table Mnemonic: Friend, Cool ang Braso, Itlog, at Atay (Flourine Chlorine Bromine Iodine Astatine) ECE Reviewee Mnemonics Halogens: For Clear and Bright Is Attractive (Fluorine, Chlorine, Bromine, Iodine, Astatine).. ECE Reviewee Mnemonics ERRATUM: Group 3 (pababa): Baby AlaGa ni Inday at THALIA (Boron, Aluminim, Gallium, Indium, Thallium)

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Compilation of ECE Mnemonics ECE Reviewee Mnemonics Periodic Table: Group 1 (pababa): HaLiNa Kayo Rubi at Cesar sa France (Hydrogen, Lithium, Sodium, Potassium, Rubidium, Cesium, Francium) Group 2 (pababa): Be, MgCano kay Sr. BaRat? (Beryllium, Magnesium, Calcium, Strontium, Barium, Radium) Group 3 (pababa): Baby AlaGa ni Inday at Tita (Boron, Aluminim, Gallium, Indium, Titanium) Group 4 (pababa): Cool Si General Sn. Pablo (Carbon, Silicon, Germanium, Tin, Lead) Group 5 (pababa): Nay, Parang ASwang ANg Bisita (Nitrogen, Phosphorus, Arsenic, Antimony, Bismuth) Group 6 (pababa): O! Sarap ng SEnegang, TEnola at POto. (Oxygen, Sulfur, Selenium, Tellurium, Polonium) Group 8 (pababa): Henela ni Arlene ang Krayola ni Xena at Rona (Helium, Argon, Krypton, Xenon, Radon) Electron Shells To remember SPDF Some People Don't F***  

"sticky paint dries fast" For the energy levels of electrons. I have a relatively good one (albeit fairly useless) for remembering the order that the nuclear shells get filled up as you add more nucleons to the nucleus: spuds if pug dish of pig



If you write it down and then cross out all of the vowels except for the final 'i' you get spdsfpgdshfpig



and since you are worying about nuclear levels, you already know the spectroscopic notation: spdfghi s=0, p=1, ... so if you start numbering above these letters how many times the letter has occured, you get the principal quantum number, and angular momentum of the energy states in the order that they are filled: 11121212312312 spdsfpgdshfpig

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34

Compilation of ECE Mnemonics (Remember that in nuclear shells the angular momentum can be greater than the principal quantum number...) 

spectrographic notation: Sober Physicists Don't Find Giraffes Hiding In Kitchens. Mnemonic device Sober Physicists Don't Find Giraffes Hiding In Kitchens Explanation The order of atomic orbitals (s,p,d,f,g,h,i,k). After K, they're alphabetical. Electronic Configuration Si Sally Pumasok Sa Pinto Si Daddy Pumasok Sa Dilim Paano Si Franky Daddy Paano Si Franky Daddy Franky Daddy Franky (Each letter corresponds to the shape fill it in with the principal quantum number start numbering S with 1, P with 2, D with 3, and F with 4)

"si sarah pumunta sa party. si daddy pumunta sa disco. pano si daddy?": 1s 2s 2p 3s 3p 4s 3d 4p 5s 4d 5p 6s 5d Mnemonic device si sammy pumasok sa pinto. si daddy pumasok sa door. paano si fred daddy? paano si fred daddy? paano fred daddy? Explanation 1s 2s 2p 3s 3p 4s 3d 4p 5s 4d 5p 6s 5f 5d 6p 7s 6f 6d 7p 7f 7d Simplified metal electronegativities: Kill Nasty Cats Mangle All Zebras Feed Snarling Plump Hyenas Curse Hogs Again Audibly Please

(K) (Na) (Ca) (Mg) (Al) (Zn) (Fe) (Sn) (Pb) (H) (Cu) (Hg) (Ag) (Au) (Pt)

or Pretty (potassium) Sally (sodium) Could (calcium) Marry (magnesium) A (Aluminium) Zulu (Zinc) In (Iron) Lovely (lead) Honalulu (hydrogen-reference) Causing (copper)

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35

Compilation of ECE Mnemonics Strange (silver) Gazes (gold) or Pop (Potassium) Stars (Sodium) Can (Calcium) Make (Magnesium) All (Aluminium) Zombies (Zinc) In (Iron) Town (Tin) Lose (Lead) His (Hydrogen) Cool (Copper) Then we remembered our favourite food addictive for the last 3 metals. (MSG) M (Mercury) S (Silver) G (Gold)

Electrochemical/-lytical cells: Two animals -- AN OX and a RED CAT (anode -> oxidation, cathode -> reduction) 

RC cOlA (short for Royal Crown Cola): Reduction occurs at the Cathode, Oxidation occurs at the Annode

 



In a cation, the electron has gone on va-cation. Chemistry students use the phrase "LEO says GER" to keep the two halves of a redox process straight, since the Loss of Electrons is Oxidation while the Gain of Electrons is Reduction. Another version is the word "OIL-RIG", meaning Oxidation Is Loss, Reduction Is Gain (of electrons). ORE is easier - oxidation is removal of electrons Mnemonic device LEO GER Explanation Chemistry students use the phrase "LEO says GER" to keep the two halves of a redox process straight, since the Loss of Electrons is Oxidation while the Gain of Electrons is Reduction. Mnemonic device OIL RIG Explanation O-xidation I-s L-oss (of electrons); R-eduction I-s G-ain (of electrons) Mnemonic device LOAN BRA Explanation

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Compilation of ECE Mnemonics Left side Anode Negative ions attract this is used in electrodes Blue litmus to Red litmus Acid Mnemonic device LOAN Explanation Left side Oxidation Anode attracts Negative ions Mnemonic device OIL RIG Explanation Oxidation Is Loss Reduction Is Gain ECE Reviewee Mnemonics OILRIG : Oxidation is Loss, Reduction is Gain of Electrons Periodic Table Downward Rightward Size Inc Dec ...Metallicity Inc Dec Electron Affinity Dec Inc Electronegativity Dec Inc Ionization Energy Dec Inc Cations and Anions Cations are pawsitive.

  

Cations are positive, while anions are negative: The letter t in cation looks like a positive plus sign +: ca+ion Cations are pawsitive. An ANION is A Negative ION Dicarboxilic Acids (electrodes) REDuction at CAThode: RED CAT

  

Oxidation and reduction in the electrodes of an electrochemical cell: Oxidation takes place at the anode (both start with vowels), reduction takes place at the cathode (both start with consonants). REDuction at CAThode: RED CAT ANode for OXidation: AN OX

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Compilation of ECE Mnemonics Oxidation and Reduction (electrons)

  

Acronyms for oxidation and reduction: Oxidation Is Losing Electrons, Reduction Is Gaining Electrons: OIL RIG Electron Loss Means Oxidation: ELMO Losing Electrons Oxidation, Gaining Electrons Reduction: LEO the lion. GER! or LEO says GER * Sa chem, sa redox: "GEROA LEORA": gain of electron reduction oxidizing agent, loss of electron oxidation reducingagent Ideal Gas Law



Q: Why do gas molecules like to look into your window at night? A: Because they're PVnRT'ed. (pronounce: pivnerted) OK, I'm ducking the tomatoes. :) :)

 



Pregnant Virgins Never Reveal the Truth Gas law: Pure Virgins have Nice Round Tits -- PV = nRT  The universal gas constant "PV/T" was remembered in the 1960's by saying "Pee" "Vee" over the "Telephone". Pee Vee was a television character in the 1960s that was always talking on the telephone. Reactivity series Poisonous Snakes Can Make All Cats Zippy In The Lost House Capturing Special G Ps Potassium, Sodium, Calcium, Magnesium, Aluminium, Carbon, Zinc, Iron, Tin, Lead, Hydrogen, Copper, Silver, Gold, Platinum. Or maybe this is too long winded. Alternatively, Lithium and Mercury may also be included: Peter's Simple Little Cousin Met a Crazy Zulu In The LonelyHut Carrying Money: Silver, Gold, Platinum.

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Compilation of ECE Mnemonics  The three elements that when combined with Hydrogen form Hyrdrogen Bonds, can be memorized by the following saying: "Hydrogens just want to have FON (Flourine, Oxygen, and Nitrogen)" This saying is loosely based off the song "Girls Just Want to Have Fun" by Cyndi Lauper.  Diatomic elements can be memorized by using the phrase "Count HOFBrINCl" and also by the phrase "Have No Fear Of Ice Cold Beer"(Hydrogen, Oxygen, Flourine, Bromine, Iodine, Nitrogen, and Chlorine). Mnemonic device BrINClHOF (pronounced brinklehoff) Explanation The diatomic molecules: Bromine, Nitrogen, Chlorine, Hydrogen, Oxygen, and Fluorine. Diatomic Molecules

        

The elements Hydrogen, Nitrogen, Fluorine, Oxygen, Iodine, Chlorine, and Bromine are always found as diatomic molecules: HNFOIClBr HONClFIBr (say HONKLE-fibber) BrINClHOF (say Brinckle-hoff) Have No Fear Of Ice Cold Beer Never Have Fear Of Ice Cold Beer I Have No Bright Or Clever Friends ClIF H Bron HOFBrINCl Twins (twins because they exist in pairs) There are seven such elements. The first one is the first element Hydrogen; the rest form a 7 on the periodic table: N, O, F across, then going down Cl, Br, I.

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Compilation of ECE Mnemonics Mnemonic device kuh nuh cah mug al | zun feh sun pub | coo ag ooo plat Explanation Reactivity series. K Na Ca Mg Al | Zn Fe Sn Pb | Cu Ag Au Pt

Organic Chemistry 

"My Enormous Penguin Bounces Pretty High" to remember the series of alkanes : Methane,

Ethane, Propane, Butane, Pentane, Hexane Mnemonic device Memorize eternal propositions, but pension hectic happy occult nonsensical declarations Explanation The underlined characters help you to memorize the first ten alkanes: methane, ethane, propane, butane, pentane, hexane, heptane, octane, nonane, decane Mnemonic device Must Every PRefect Be PErfect Explanation Used to remember the first five alkanes.Methane, Ethane, PRopane, Butane, PEntane Mnemonic device Maggie Enjoys Pacifiers & Bottles Explanation Use Maggie from the Simpsons to remeber the first 4 alkanes/enes/ynes: Methane, Ethane, Propane, Butane Mnemonic device Oh My Such Good Apple Pie Explanation The first letters of "Oh My Such Good Apple Pie" correspond to those of the straight-chain dicarboxylic acids of carbon numbers two through seven; i.e., oxalic, malonic, succinic, glutaric, adipic, and picric acids

 

Dicarboxilic Acids The sequence of dicarboxilic acids is Oxalic, Malonic, Succinic, Glutaric, Adipic, Pimelic: Oh My Stars, Green Apples Oh My, Such Good Apple Pie Mnemonic device Monarch Edward Prefers Birthday Parties His Highness Offers No Drinks Explanation Meth, Eth, Prop, But, Pent, Hex, Hept, Oct, Non, Dec Mnemonic device Do like an otter, add acid to water. Explanation The order to combine acid and water. Mnemonic device Acid to Water; All is Well.Water to Acid; What an Accident! Explanation Use these two mnemonics to help remember that it is OK to add acid to water, but you may get an explosion from the excess heat created by reversing the order of mixing the two. Mnemonic device

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Compilation of ECE Mnemonics Do what you Oughter, add acid to water! Explanation A reminder to only acid acid to water, and not water to acid. Mnemonic device Tall Gene calls Florence at our quarters to correct dumbness. Explanation Mohs scale of hardness: Talc gypsum calcite fluorite apatite orthoclase quartz topaz corundum diamond Elements necessary for agriculture The elements necessary for agriculture are: carbon, hydrogen, calcium, iron, magnesium, manganese, copper, molybdenum, chlorine, boron C(see) Hopkins CaFe, Mighty-good Man, Cu(see your) Money, hope they are Closed or out of Business. ECE Reviewee Mnemonics The Dennis Covert (memorial) Hydrocarbon Mnemonic: "Mother Eats Phone Books, Pink Hats, Suffers Oxygen Nitrogen Discomfort" Methane, Ethane, Propane, Butane, Pentane, Hexane, Septane, Octane, Nonane, Decane.

I loved the mneumonic my senior chem class came up with a few years ago for the first six alkanes: Monica excites President Bill, poor Hilary. Unfortunately it's not as topical now. Sheelagh Halstead ECE Reviewee Mnemonics In order to remember the substitution order on a benzene ring, just have a ROMP: R = position of primary substuent #1 O = Ortho = position #2 M = Meta = position #3 P = Para = position #4 Thus, Orthophenylphenol = 2-phenylphenol, and p-Bromobenzaldehyde = 4-bromobenzaldehyde ECE Reviewee Mnemonics The amino acids: Hydrophilic Neutral: Girls Are Very Loving If Men Can Prepare Perfect Tea (Glycine, Alanine, Valine, Leucine, Isoleucine, Methionine, Cysteine, Proline, Phenylalanine, Tryptophan) Positive: Alexander Graham Spoke Through (the) Telephone (Asparagine, Glutamine, Serine, Threonine, Tyrosine) Neutral: Laurel And Hardy (Lysine, Arginine, Histidine) Negative: Aspartate and Glutamate (all that's left. . . )

ECE Reviewee Mnemonics This one covers the Grignard alcohol formation reactions. I got it from one

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41

Compilation of ECE Mnemonics of my Organic Chemistry profs, who claims to have found it in a drawer at Rutgers University around 1976. He attributes it to F. Westheimer of Harvard University. (sung to the tune of "America The Beautiful") Oh Grignard, the Beautiful The carbonyl is polarized, The carbon end is plus. A nucleophile will thus attack The carbon nucleus. A Grignard yields an alcohol, Of types there are but three; It makes a bond to correspond From C to shining C. A Secondary's synthesis Requires an aldehyde. For Tertiary, a carbanion And ketone may collide. When Grignards meet H2CO The product's Primary. They stick like glue to CO2 Join C to lonely C. ECE Reviewee Mnemonics For remembering the saturated dicarboxylic acids up to 10 carbons: Oh My, Such Good Apple Pie, Sweet As Sugar For: Oxalic, Malonic, Succinic, Glutaric, Adepic, Pimelic, Subaric, Azelaic, Sebacic ECE Reviewee Mnemonics Gibbs Energy: Giving Homework Tonight Sucks (G = H - TS) Physics What does MKASK stand for? May King Alfred Send Knights (mnemonic for Mass, Kilowatt-hour, Ampere, Seconds and Kilogram; physics SI units) force/mass = Acceleration Father over Mother equals Anak (F/m=a) converging and di-vergin.. makita mo pa lang alam mo na.. hahaaa! :) ECE Reviewee Mnemonics Simple Harmonic Motion formulae: f = (1/2pi) sqrt (g / L) for simple pendulum (dalawang pie, get Low!) f = (1/2pi) sqrt (g / H) for conical pendulum (dalawang pie, get High!) f = (1/2pi) sqrt (k / m) for springs with weights attached, (Ka Ma (may springs)) f = (1/2pi) sqrt (a / x) for SHM. (fax!) Thermodynamics Stress=P/A "nakakaSTRESS and Problema sa Asawa"

"Pag may CaViT GiPiT": -(Charle's Law: Volume-Temp and Gay-Lussac's Law: Pressure-Temp) Relationship between absolute and kinematic viscosity Q: What's new (nu)? A: mu / rho

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42

Compilation of ECE Mnemonics

Q: What's new (nu)? A: c / lambda The equation for specific heat: q= CATMan q = c_v * T * m Maxwell relations "Good Physicists Have Studied Under Very Fine Teachers", which helps remember the order of the variables in the square, in clockwise direction. Another mnemonic used here is "Valid Facts and Theoretical Understanding Generate Solutions to Hard Problems", which gives the letter in the normal left to right writing direction.

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Compilation of ECE Mnemonics

Strength of Materials Hardness The relative hardness of minerals is determined according to Mohs Scale, named after the German mineralogist,Friedrich Mohs, who devised it in 1812. In the original Mohs Scale, ten minerals were arranged in order of increasing hardness and were assigned the numbers one to ten. These ten minerals are shown in the first column of the table below: Mohs Substance

Mohs Number Common Substance Simple Classification

Talc

1

Gypsum

2 2.5

Calcite

3

Fluorite

4

Apatite

5 5.5

SOFT Fingernail 'Copper' coin

1

MEDIUM

Knife blade or glass

Orthoclase (feldspar) 6 6.5 Quartz

7

Topaz

8

Corundum (emery)

9

Diamond

10

Steel file HARD

A substance with a higher Mohs number is capable of scratching a substance with a lower number. The order of these minerals can be remembered using the mnemonic: The Girls Can Flirt And Other Queer ThingsCan Do . Mnemonic device The Greedy Child Found All Our Feathery Quills To Copy Documents Explanation Mnemonic device for Mohs Hardness Scale. Talc, Gypsum, Calcite, Flourite, Apatite, Orthoclese Fledspar, Quartz, Topaz, Corundum, and Diamond. Mnemonic device Tommy Gave Caroline Four Apples On Fine Quick Tummy Clutching Dishes Explanation Mnemonic device for Mohs Hardness Scale. Talc, Gypsum, Calcite, Flourite, Apatite, Orthoclese Fledspar, Quartz, Topaz, Corundum, and Diamond.

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44

Compilation of ECE Mnemonics Maximum Shearing Stress Mnemonic 1sang 6sing Taga-Divisoria, PI naDapa 4 times dahil walang dalang d d Explanation Circular ring/Hollow shaft Formula: 16TD/pi(D^4 - d^4) Spring Deformation Mnemonic 64 Prisoners niRape ng 3 nurse 16 paper roses, pinadala ng 3 beses sa 4 na matanda namatay ang isa, sa 4 na matanda namatay lahat, noong June 15 kaya malungko

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45

Compilation of ECE Mnemonics Engineering Economy 



A mnemonic for remembering the number of days in the months of the year, practically a cultural universal in the United States, is "Thirty days hath September/April, June and November." (Although this is only part of a longer rhyme, this is the only part that most people remember, so they commonly complete it with words similar to "... except February, which has twenty-eight, or twenty-nine in a leap year." The full mnemonic is "Thirty days hath September/April, June and November/All the rest have thirty-one/except February alone/which has eight and a score/until leap year gives it one day more.") Another mnemonic for the days of the months is not a rhyme or a jingle, but a gestalt. Whereas the traditional mnemonic simply associates the name of the month with the number of days, this one emphasizes the sequence. The 31 and less-than-31-day months would be easy to remember if they simply alternated, but the pattern of month lengths is not that simple. They alternate until the fourth 31day month, July, which is immediately followed by another 31-day month. Since the human hand has four fingers, one can, given an appropriate mind-set, perceive this pattern in a view of the knuckles of two fists, held together. The raised knuckles can be seen as the 31-day months, the dips between them as the 30-day-months-and-February, and the gap between the hands ignored. (Thus: left-hand-pinkyknuckle = January, dip = February, left-hand-ring-knuckle = March, dip = April, and so on to left-handindex-knuckle = July; then continue with right-hand-index-knuckle = August, dip = September, etc).

Mnemonic device Tell your boss to fly a kite, when the labour market is tight Explanation A "tight labour market" means there are many jobs available Mnemonic device Did Fred make purple pecan pie Saturday. Explanation This represents the 7 functions of marketing. Distribution - Finance - Marketing Information - Product Price - Place - Selling. A student came up with this my first year to teach and I have used it ever since.

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Compilation of ECE Mnemonics Engineering Management Mnemonic device Susie Gathered French Pies At Dinner Explanation State the problem Gather Info Form Hypothosis Perform an Experiment Analyze Data Draw conclusion Mnemonic device People really hate eating donuts and cold cider. Explanation These stand for the seven steps in the scientific method. Problem, Research, Hypothese, Experiment/data, Analyze, Conclusion, Communicate Mnemonic device on hanonica mice pop open round candies Explanation this stands for my version of the seven steps of the scientific process objective, hypothisis, materials, procedere, observation, results, and conclusion Be Smart!? SMART is a mnemonic used in project management at the project objective setting stage. It is a way of evaluating if the objectives that are being set are appropriate for the individual project. A SMART objective is one that is: Specific ( the goal and methods are clearly defined) Measurable ( the objectives are measured numerically) Achievable ( humanly possible, and the project has all the required resources) Relevant ( avoid the temptation of defining a goal just because it fits nicely to the previous three criteria) Time framed (set deadlines) There is no clear consensus about precisely what the 5 keywords mean, or even what they are. Sometimes Realistic or Result or Results-Oriented or Resourced (Favell, 2004) is seen in place of Relevant, or Appropriate or Action in seen in place of Achievable. The SMART criteria are guidelines suggesting that milestones should be: Specific Measurable Assignable Realistic Time framed

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47

Compilation of ECE Mnemonics ECE Laws Executive Order EO 59 Telecommunication EO 109 Local exchange EO 196 Philippine Satellite EO 205 CATV Operation EO 255 OPM EO 266 Cpe EO 436 Policy for CATV EO 467 International Satellite EO 468 E-commerce EO 469 NITC EO 546 NTC Read from bottom to top : “NeNE, IPaCO C PiLaTo”

NOTE: President Aquino signed on Monday (May 23, 2016) the Republic Act 10844 creating the Department of Information and Communications Technology (DICT), answering a clamor for a government agency that is focused on ICT matters, including Internet speed and online or electronicrelated crimes. Under RA 10844, the Department of Transportation and Communications will be renamed the Department of Transportation. All of its units with functions and responsibilities dealing with communications will be abolished along with the Information and Communications Technology Office (ICTO), National Computer Center (NCC), National Computer Institute (NCI), Telecommunications Office (TELOF) and National Telecommunications Training Institute (NTTI). The National Telecommunications Commission (NTC), the National Privacy Commission (NPC) and the Cybercrime Investigation and Coordination Center (CICC) will be attached to the DICT for the coordination and implementation of the country’s cyber security policies and programs. Source: The Philippine Star

Contracts & Obligations Modes of Extinguishing Obligations: PA-LO-RE-ME-CON-NO 1. PAyment 2. LOss 3. REmission 4. MErger 5. COndonation 6. NOvation

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48

Compilation of ECE Mnemonics General Knowledge The Order of the Planets

Here is a mnemonic to remember the order of the planets – starting from closest to the sun to furthest. Pluto is included. My Very Educated Mother Just Served Us Nine Pizzas Giving us: Mercury, Venus, Earth, Mars, Jupiter, Saturn, Uranus, Neptune, and Pluto (my favorite). 

                     

Getting used to eight planets: Mnemonics Very Earthly Maybe Just Stupid Unto Nullity, Perhaps (or Perhaps Not) My Very Energetic Mother Just Served Us Nothing Man very easily makes jugs serve useful needs. My valentine ejaculated, "Man, just show up naked(, please)! Mother Visits Every Monday and Just Stays Until Noon, Period." "My Very Easy Memory Jingle Seems Useful Naming Planets" "Mary's Violet Eyes Made John Stay Up Nights Proposing" "My Very Eager Mother Just Sewed Us New Pyjamas" "Most Valuable Earth Must Jump Straight Up North Pole" "My Very Educated Mother Just Showed Us Nine Planets" "My Very Easy Method Just Speeds Up Naming Planets" "My Very, Eccentric Mother Just Showed Us Nine Planets" "Many Vile Earthlings Munch Jam Sandwiches Under Newspaper Piles" "My Very Educated Mother Just Served Us Nine Pizzas" "My Very Easy Method Just Sums Up Naming Planets" "Mom Visits Every Monday, Just Stays Until Noon, Period" "My Very Early Marriage Just Suited Uncle Ned Perfectly" Men Very Early Made Jars Stand Upright Nicely, Period. My Very Erotic Mate Joyfully Satisfies Unusual Needs Passionately. My Very Empty Mouth Just Swallowed Up Ninety Peanuts. My Very Enigmatic Mother Just Sat Upon Nigel's Plate. Mary's Violet Eyes Makes John Sit Up Nights Pondering. My Very Eager Mother Just Served Us Nine Pizzas.

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49

Compilation of ECE Mnemonics  

Many Very Early Men Ate Juicy Steaks Using No Plates Two-in-one mnemonic: Mad Visionaries Earn Marvelously Juicy Spoonfuls (of) Unappetizing Nausea The last digit in the number of letters in each word gives another mnemonic (ignore the "of"). Mnemonic device My Very Easy Method: Just Set Up Nine Planets. Explanation The first letter of each word gives you the first letter of the planets, in order: Mercury, Venus, Earth, Mars, Jupiter, Saturn, Uranus, Neptune, Pluto. Mnemonic device Many vicious eating monsters just scoffed up nice pigs. Explanation The first letter of each word gives you the first letter of the planets, in order: Mercury, Venus, Earth, Mars, Jupiter, Saturn, Uranus, Neptune, Pluto. Mnemonic device Many Very Eager Men Jumped Straight Up Near Pluto Explanation The first letter of each word gives you the first letter of the planets, in order: Mercury, Venus, Earth, Mars, Jupiter, Saturn, Uranus, Neptune, Pluto. Mnemonic device my very easy method just simplifies us naming planets Explanation first letters are the same as the first letters of each of the planets in order working out from the sun Mnemonic device Mother Very Thoughtfully Made a Jelly Sandwich Under No Protest Explanation Mother = MercuryVery = VenusThoughtfully = Terra (earth)Made = MarsA = Asteroid BeltJelly = JupiterSandwich = SaturnUnder = UranusNo = NeptuneProtest = PlutoThis mnemonic has the advantage of placing the asteroid belt in its proper place. Mnemonic device My Very Elderly Mother Just Sat on Uncle Neds Parrot Explanation First letter of each word is the first letter of each planet in order Mnemonic device Mom Visits Every Monday, Just Stays Until Noon, Period Explanation Mom = Mercury Visits = Vensu Every = Earth Monday = Mars Just = Jupiter Stays = Saturn Until = Uranus Noon = Neptune Period = Pluto Mnemonic device My very Educated mother just showed us nine planets. Explanation First letter of each word is for a planet & this gives the order in which they are from the Sun. Mnemonic device My Very Energetic Mother Just Served Us Nine Pickles Explanation M- MercuryV- VenusE- EarthM- MarsJ- JupiterS- SaturnU- UranusN- NeptuneP- Pluto Mnemonic device Most Volcanoes Errupt Mullberry Jam Sandwhiches Under Normal Pressures

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50

Compilation of ECE Mnemonics Explanation The Nine Planets Mnemonic device My Very Educated Mother Just Served Us Nectarines Explanation This is my new version of the planet list, because Pluto is no longer considered a planet so I changed the original to this for my students. Mnemonic device Mercury Viewed Earth's Many Aspects Joyfully Sitting Under Neptune Explanation Remember the names of the planets (and asteroid belt) from Mercury outwards Mnemonic device Most Volcanoes Errupt Mullberry Jam Sandwiches Under Neptune Explanation I was the guy who wrote the other one about the Mullbery Jam Sanwhiches, this is the updated Verson w/o Pluto :( Mnemonic device My Very Educated Mother Just Served Us Nachos Explanation The order of the planets from the sunMercury, Venus, Earth, Mars, Jupiter, Saturn, Uranus, Neptune Mnemonic device Mary's Violet Eyes Make Johnny Stand Up Now Period. Explanation The order of the planets from the sun Mercury, Venus, Earth, Mars, Jupiter, Saturn, Uranus, Neptune, Pluto. Mnemonic device Mary's Violet Eyes Make Johnny Stand Up Now Period. Explanation The order of the planets from the sun Mercury, Venus, Earth, Mars, Jupiter, Saturn, Uranus, Neptune, Pluto. Mnemonic device My Very Easy Method: Just SUN Explanation Order of the planets; Mercury, venus, Earth, Mars, Jupiter, Saturn (Pluto's not a planet any more) Mnemonic device My Very Easy Method Just Speeds Up Naming Planets Explanation An easy way of remembering the planets, they have changed, but it's easy for an exam. Look: My - Mercury Very - Venus Easy - Earth Method - Mars Just - Jupiter Speeds - Saturn Up - Uranus Naming - Neptune Planets - Pluto

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51

Compilation of ECE Mnemonics

Just look at it once and you'll remember for life Mnemonic device Some Mothers Vanish Through Making a believable Jester, so uniforms' names pride. Explanation S: Sun M: Mercury V: Venus T: Terra (Earth) M: Mars A: Asteroid B: Belt J: Jupiter S: Saturn U: Uranus N: Neptune P: Pluto Mnemonic device So My Very Easy Method And Break: Just SUN Period Explanation S= sun m= mercury v= venus e= earth m= mars a= asteroid b= belt j= jupiter s= saturn u= uranus n= neptune p= pluto Mnemonic device Men Very Easily Make A Jug Serve Useful Needs. Explanation Denotes the order of the planets of the Solar System: Mercury, Venus, Earth, Mars, (Asteroids), Jupiter, Saturn, Uranus, Neptune. Mnemonic device My Very Easy Mother Just Sat on Uncle Ned! Explanation Updated, having lost the parrot... (Pluto) Mnemonic device My Very Easy Method, Just Say You Know Planets Explanation The order of the planets My= MercurY V = Venus E = Earth J = Jupiter S = Saturn U = Uranus (You sounds like "U")

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52

Compilation of ECE Mnemonics N = Neptune (Know has an "N" sound) P = Pluto Mnemonic device Many Very Evil Men Just Shot Up Princeton, Nebraska. Explanation The first letter of each word gives you the first letter of the planets, in order: Mercury, Venus, Earth, Mars, Jupiter, Saturn, Uranus, Neptune, Pluto. Mnemonic device My Very Easy Method: Just Sleep Until Noon. Explanation The first letter of each word gives you the first letter of the planets, in order: Mercury, Venus, Earth, Mars, Jupiter, Saturn, Uranus, Neptune. Mnemonic device My very ecstatic monkey just scampered under Nellie's purse. Explanation The first letter of each word gives you the first letter of the planets, in order: Mercury, Venus, Earth, Mars, Jupiter, Saturn, Uranus, Neptune, Pluto. Mnemonic device my very eccentric mailman just showed up naked. Explanation The first letter of each word gives you the first letter of the planets, in order: Mercury, Venus, Earth, Mars, Jupiter, Saturn, Uranus, Neptune, Pluto. Mnemonic device My Very Easy Method Just Set Up Nothing Explanation These are the acronyms of the planets from the nearest to the sun to the farthest. MVEMJSUP Mnemonic device Many Violent Evil Maniacs Join Swiftly Under Nationalism. Explanation The eight planets of the solar system. Mnemonic device This is an acrostic for memorising the planets and the dwarf planets: Murky conVention's Efforts Mar *Series; Jury Set yoUr Next *Planet *Chart *Abridged. Explanation Explanation borrowed from http://www.nakedscience.com/articles/single%20digit%20acrostics.htm Taking the first prominent letter of each word of that sentence: M=Mercury [Murky], V=Venus [conVention], E=Earth [Efforts], M=Mars, 'Series' sounds like Ceres; J=Jupiter, S=Saturn, U=Uranus, N=Neptune, P=Pluto, Ch=Charon, Ab sounds like UB... [an astronomical prefix for the next big body in space] [I used an asterisk in places to emphasise the dwarf planets' words.] In 2006, a committee of astronomers elected that Pluto should not be classified as a planet. They considered how there are dwarf planets such as dwarf planet UB313 also known as Eris; and Pluto has certain similarities with that 'dwarf planet' classification rather than 'planet' classification. My acrostic sentence tries to mention the context of how the list of planets became what it currently is.

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53

Compilation of ECE Mnemonics

Sentences to Remember the Order of the Planets Here we have an easy way to remember the order of the planets from the sun out. The only thing to remember here is that every 248 years, Neptune becomes the furthest planet for 20 years

Mercury Venus Earth Mars Jupiter Saturn Uranus Neptune Pluto

Men Very Easily Make Jugs Serve Useful Nocturnal Purposes My Very Educated Mother Just Served Us Nine Pizzas My Very Educated Mother Just Served Us Nine Pizzas Made With Grapes!(This list also included "Milky Way Galaxy") Mother Very Earnestly Made Jam Sandwiches Using No Peanuts Mayonaise or Glue My Very Easy Method-Just Set Up Nine Planets Mary's Violet Eyes Make John Stay Up Nights Praying Mary's Violet Eyes Make John Stay Up Nights, Period. My Very Energetic Mother Just Sat Upon (the) North Pole My Very Elegant Mother Just Sat Upon Nine Porcupines My Very Educated Mother Must Sent Us Nine Pickles. My Very Educated Mother Must Served Us Nine Peas. My Very Excellent Memory Must Served Up Nine Planets. My Very Efficient Mother Just Served Us Pistachio Nuts The last one is useful for the times when Pluto is actually closer than Neptune.

Thursday, August 24, 2006: Leading astronomers declared that Pluto is no longer a planet under historic new guidelines that downsize the solar system from nine planets to eight. Instead, Pluto will be reclassified in a new category of "dwarf planets".

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54

Compilation of ECE Mnemonics My Very Excellent Mother Just Sent Us Noodles Milli Vanilli 'Entertainment' Makes Joe Satriani Upchuck Noisily Most Vampires Enjoy Moo Juice Sucking, Unlike Nosferatu Molestation Vote Expected Michael Jackson Shuts Up Neverland Muddy Vixens Entertain Men Jiggling Singles Under Noses Militant Vietnamese's Excellent Mary Jane Soothes United Nations More Viewers Expect Malfunction Janet Says, Uh... No Maxed-out Visa Explained Mexican Jailbait Stripper Uncovered Nethers Starting from the other end: Nosy Uncle Sam Just Might Eavesdrop Voice Mails Nonstop Unfettered Sausage Jerking Might Eradicate Vision, Man! Newman Unhands Seinfeld's Junior Mints Elaine Voraciously Munches Naughty Uncensored Sex Jokes Make Embarassed Virgins Mad NattyLight Usually Satisfies Jesus Moses Expects Vodka Martinis Nubile Uninhibited Swedes Jumpstart My Engines Very Much News: Uptight Star Jones Messily Eats Van Morrison! Never Underestimate Strip Joint's Most Entertaining Virtue: Mammaries Mnemonic device Mang Victor Espinosa Mag Jogging Sa Umaga Nang Pumayat Explanation Mang - Mercury Victor - Venus Espinosa - Earth Mag - Mars Jogging - Jupiter Sa - Saturn Umaga - Uranus Nang - Neptune Pumayat - Pluto In Have Spacesuit Will Travel, Robert A. Heinlein includes 'prices' which represent the mean AU (Astronomical Unit - mean distance of the Earth from the Sun = 93 million miles = 149 million km) of all the planets from the sun: MERCURY $0.39 VENUS $0.72 TERRA $1.00 MARS $1.50 ASTEROIDS (assorted prices, unimportant) JUPITER $5.20 SATURN $9.50 URANUS $19.00 NEPTUNE $30.00 PLUTO $39.50

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55

Compilation of ECE Mnemonics 

Oh Be A Fine Girl / Guy, Kiss Me: the main sequence (O B A F G K M).

Planets in Size Order. 



It used to be: MEn PLan MAny VENUS Jumps for MErcury, PLuto, MArs, VEnus (and also Venus, Earth, Neptune, Uranus, Saturn) & JUpiter. Both the first two letters of each word are used and the word Venus stands for itself, follows the convention of first two letters and represents 4 other planets as well. Now it should be: PLanners MEasure MAy's VENUS JUmp.

Sentences to Remember the Size of the Planets Equatorial Diam. (km) Oblateness Mass Sun 1,392,000 0 332,946 .0 Jupiter 142,800 1/15 317 .833 Saturn 120,000 1/9 95 .159 Uranus 51,200 1/45 14 .500 Neptune 48,600 1/40 17 .204 Earth 12,756 1/298 1 Venus 12,104 0 0 .815005 Mars 6,787 1/193 0 .107447 Mercury 4,878 0 0 .055274 Pluto 2,300 ? 0 .0026

Mean Escape Rotation Incl. Visual Density Gravity (km/s) Period (days) (deg.) Albedo 1.41 27 .9 617 .5 25 - 35 * 1.33 2 .54 59 .6 0 .4101 ** 3 .1 0.52 0.70 1 .08 35 .6 0 .4440 26 .7 0.47 1.30 0 .91 21 .3 0 .718 97 .9 0.51 1.76 1 .19 23 .8 0 .768 29 .6 0.41 5.52 1 11 .2 0 .9973 23 .4 0.37 5.24 0 .91 10 .4 243 .017 177 .3 0.65 3.94 0 .38 5 .0 1 .0260 25 .2 0.15 5.43 0 .38 4 .3 58 .646 0 .0 0.11 1.1? 0 .05 1 .2? 6 .3867 94 . 0.5?

Largest to smallest: Jason Sat Under Ninety Eight Vicious Monster Munching Penguins Smallest to largest: Pete's Mother made Val's Elephant Nestle Under Sam's Jumper. Pluto Must Meet Venus Every Night Until Saturn Jumps. Plump Mrs. Martian Voted Every Ninth Unicorn Should Jump. Pop Music Makes Vikings Even Naughtier Until Saxons Jiggle. Gallilean moons of Jupiter: Io, Europa, Ganymede, Callisto   

I eat green catapillers:. I Easily Get Confused... I Easily Get Colder Mnemonic device I eat grandma's cookies Explanation Four largest moons of Jupiter in order by their distance from Jupiter; Io, Europa, Ganymede, and Callisto.

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56

Compilation of ECE Mnemonics

Moons of Jupiter Amalthea, Io, Europa, Ganymede, Callisto. An Icecube Ever Grows Colder

A composite of the Galilean moons of Jupiter. Left to right Amalthea (small, irregular moon for comparison), Io, Europa, Ganymede, and Callisto. (C.Hamilton from NASA spacecraft images)

Moons of Neptune Naiad, Thalassa, Despina , Galatea, Larissa , Proteus, Triton, Nereid. Neptune's Tiny Dancing Girls Look Pretty To-Night

The 9 Principal Moons of Saturn

Saturn has a large number of moons (35 of which have names). If you wish to remember the 9 principle moons, remember your last doctors visit: Met Dr Thip

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57

Compilation of ECE Mnemonics The letters stand for: Mimas, Enceladus, Tethys, Dione, Rhea, Titan, Hyperion, Iapetus, Phoebe 

My Enormous Telescope Did Resolve The Hyades Immediately. For: Mimas Enceladus Tethys Dione Rhea Titan Hyperion Iapetus

 

"Must Evade Tasco's Dirty Refractors - They Have Imperfections." Mnemonic exercises teach dumb rules to help idiots!

  

My Easiest Time Dating Regarded The Heavenly Irene... Mercury Very Early Made A Jump Sideways UnderNeath Pluto Men Very Easily Make Jugs Serve Useful Nocturnal Purposes

Neptune's moons: Naiad, Thalassa, Despina , Galatea, Larissa , Proteus, Triton, Nereid. "Neptune's tiny dancing girls look pretty to-night" Earth’s Moon Shape "DOC" represents phases of the Moon by shape: "D" is the waxing moon; "O" the full moon; and "C" the waning moon. In the Southern hemisphere, this is reversed, and the mnemonic is "COD". A French mnemonic is that the waxing moon at its first "premier" quarter phase looks like a 'p', and the waning moon at its last "dernier" quarter looks like a 'd'. In German, the Moon is compared to a handwritten small letter a for "Abnehmen" (waning) and a z for "Zunehmen" (waxing). One more (Northern hemisphere) mnemonic, which works for most Romance languages, says that the Moon is a liar: it spells "C", as in crescere (Italian for "to grow") when it wanes, and "D" as in decrescere ("decrease") when it waxes. Mnemonic device Captain Aquarro picks artillery targets, General Canfield leads village liberation, Scotty said. Explanation It the constellations of the Zodiac, with the one first that includes January 1st. so you can figure out which month is under which sign. Not first several letters of each word help avoid any ambiguities. It's "robust". Mnemonic device DOC Moon == the "Man in the Moon" Explanation Shape of phases of the Moon correspond to shape of the letters in "DOC". new moon (nothing), then 1st quarter is curved on right (like "D"), then full ("O") then 3rd quarter curved on left ("C") then new (nothing). Lather, rinse, repeat. Mnemonic device Dra Sid An Syn (i.e. a person's name Drasid Ansyn) Explanation The period of time of the moon revolving around the earth in increasing order. Draconitic (27.2 days) Sidereal (27.3 days)

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58

Compilation of ECE Mnemonics Anomolistic (27.5 days) Synodic (29.5 days) Waxing or Waning Moon?

The mnemonic "DOC" represents: "D" is the waxing Moon; "O" the full moon; and "C" the waning moon. Mnemonic device Oh, be a Fine Girl/guy/gentleman, Kiss Me. Explanation Spectral classes in order of decreasing stellar surface temperature O-B-A-F-G-K-M (our Sun is class G2) Stellar Classification

Stellar classification uses a peculiar group of letters, easily remembered using the phrase, "Oh Be A Fine Girl, Kiss Me Right Now Sweetie." Stars are classified as O, B, A, F, G, K, M, and sometimes R, N, S, C, L and T depending on their size and composition. The classifications R, N, S and C are given to stars with high carbon content and L and T are given to stars that are so small they do not generate enough heat to begin nuclear fusion. These "unusual" classifications are usually not included in mnemonics. Also: Oh Be A Fine Girl, Kiss Me Right Now Sweetie. Oh Be A Fine Girl, Kiss Me Right Now! *SLAP* Only Beer And Fine Grass Keep My Rattled Nerves Sane Our Brother, A Footsoldier, Got Killed Monday Oh Big And Ferocious Gorilla, Kill My Roommate Now. Overseas broadcast: a flash! Godzilla kills Mothra!

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59

Compilation of ECE Mnemonics Only Bored Astronomers Find Gratification Knowing Mnemonics Only Boys Advocating Feminism Get Kissed Meaningfully Only Big Astronomy Federal Grants Keep Money. Research Needs Support! Out Back A Friend Grows Killer Marijuana Oiled Breasts Are For Giving Kinky Massages Obviously Bill Always Felt Good Kissing Monica Lewinsky Tenderly Oh Boy An F-Grade Kills Me Oven Baked Ants Fried Gently Keep Moist Mary Killed God For Atrocious Body Odor The constellations of the zodiac: A Tense Gray Cat Lay Very Low Sneaking Slowly Contemplating A Pounce r a e a e i i c a a q i i u m n o r b o g p u s e r i c g r r i r a c s u n e o a p t i r e s i r i t c i s o a o u r r s i n u s 

As The Great Cook Likes Very Little Salt, She Compensates Adding Pepper. -Signs of the Zodiac.



H.A. Rey's mnemonic for the zodiac, in his book The Stars: ram bull twins crab liverish, scaley scorpions are good waterfish. ram - aries bull - taurus twins - gemini crab - cancer li - leo verish - virgo scaley - libra (scales of justice) scorpions - scorpius are - sagitarrius (archer) good - capricornus (goat) water - aquarius fish - pisces This has a different starting place, and uses two or more initial letters--except for taurus, which is easy to remember by "terrible":

 

AQUAmarine PIeces ARe Terrible GEMs, CAN LEO VIsit the LIBRAry and SCOpe-out the SAGan CAPtions? Anyone who wants to insert Ophiuchus can SCOpe-Out the sagan captions.



This is the list order of the 12 constellation of the northern hemishpere, beginning with Capricorn which "crosses" January 1st, and is the first Constellation in the Winter quater.



'CAPtaiN AQUAR PICkS ARtillery TARgets, GENeral LIBeRAtion,' SCOtty SAId."

CANfield LEads VIllaGe

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60

Compilation of ECE Mnemonics

Capricorn Aquarius Pisces Aries Scorpio Saggitarius

Taurus

Gemini

Cancer

Leo

Virgo

Libra

Stars Here are some mnemonics to aid you in memorizing the stellar classification system for stars, OBAFGKM which lists stars from hottest (most blue) to coolest (most red). The most famous mnemonic for this is due to astronomer Henry Norris Russell, it goes Oh Be A Fine Girl (Guy), Kiss Me

      

Here are some modern variations which you might find more memorable: (the first is from our Arny textbook) Only Brilliant, Artistic Females Generate Killer Mnemonics Only Boys Accepting Feminism Get Kissed Meaningfully Oedipus, Basically a Friendly Guy, Knew Mother Obese But Alluring Fertility Goddess, Kiss Me Our Best Answer For Government, Karl Marx One Boy And Fifty Girls Kissed Madly As for the planets, just pick one. Don't try to learn more than one. Update: Astronomers have recently added two new letters to the stellar classification system, L and T. Mostly these letters cover brown dwarf "stars" although part of the L classification also includes some very low mass red dwarf stars. A couple suggestions I've received for the new OBAFGKMLT mnemonic are: Oh Be A Fine Girl, Kiss My Lips Tenderly* Oh Be A Fine Girl, Kiss Me Like This The Brightest Stars in the Sky

The brightest stars in the sky (excluding the Sun) can be remembered with this simple mnemonic: Sir Can Rig A VCR, Pa! The stand for: Sirius in Canis Major, Canopus in Carina, Rigil Kent in Centaurus, Acrturus in Bootes, Vega in Lyra, Capella in Auriga, Rigel in Orion, Procyon in Canic Minor, Achernar in Eridanus

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61

Compilation of ECE Mnemonics ESAT Principles of Communication Wavelenght of Light?

Difficulties to remember that visible light shows a shorter wavelenght than infrared light and a longer one than ultraviolet? The "solution" is quite simple, because it is in "ultra violet" according to ultraviolet/visible/infrared!

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62

Compilation of ECE Mnemonics Modulation

ECE Reviewee Mnemonics AM/FM inventor ng AM -AUBREY MILES..as in REGINALD AUBREY "MILES" FESSENDEN inventor ng FM -baliktarin lang ang letters AM- Major Armstrong or.. F=A A=F ang reference ung inventor sa kaliwang equation at sa kanan ung naimbeto or vice versa.. Fessenden = AM Armstrong = FM or vice versa.. MaLaZa ang Leg ni CeDa – Manila,Laguna,Zambaonga, Legaspi,Cebu, Davao

Radio Receiver & Noise Mnemonic device "ARMIDALA" Explanation Superheterodyne Receiver:

Antenna Rf amp Mixer I.F. amp Demodulator Amp L.O. AGC PN = kTB Pinakataba... C = Blog2(1+s/n), cholesterol = Baboy na Litson

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63

Compilation of ECE Mnemonics RF Spectrum Mnemonic with Radio Propagation

The letters with the green highlights are the 1st letters of the different ITU RF designations. (Ref: Page 17, Tomasi). In order for easy recalling of the different bands simply use this mnemonic : Every Very Very Loving Mom Has Very Ugly Son Except I. * Please take note that Voice Comes First before VLF* Now In order for you to know the frequency just remember this Mnemonic: VHS at 3:30, kasi Ma Galing. *Take note that the V in there stands fot Very Low Frequency, the kasi Ma Galing corresponds to the frequency in kilohertz,megahertz and gigahertz respectively. The 3:30 signifies the frequency range for these three. Moving on, We will proceed to Wave Propagation Topic and its relationship with the spectrum. In order for you to easily recall what wave describes what, simply familiarize yourself with the illustration and the apply this Mnemonic: My Kilikili Has D Most Decent C Mill. And then as a final note: Just Remember SKY is High Frequeny, Frequencies below Sky are Ground and above the Sky is Space.



The EM Spectrum: Cary Grant eXpects Unanimous Votes In Movie Reviews Tonight Cosmic Gamma X-rays Ultraviolet Visible Infrared Microwave Radio Television



The ordering of frequency bands of the radio frequency spectrum are remembered by "Veronica Loves Manipulating Her Vagina Until She Explodes" representing VLF, LF, MF, HF, VHF, UHF, SHF, and EHF.

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64

Compilation of ECE Mnemonics Mnemonic device Raging martians invaded Roy G. Biv using x-ray guns. Explanation The device used for remembering the waves from longest to shortest. Radio, microwave, infrared, visible, ultraviolet, x-ray, gamma ray. Mnemonic device "Ray Michaels Irritated Roy G. Biv Using Extreme Games" Explanation Common members of the electromagnetic spectrum (light), from lowest to highest in energy: radio waves, microwaves, infrared, visible light (red, orange, yellow, green, blue, indigo, violet), ultraviolet, X-rays, and gamma rays. ECE Reviewee Mnemonics Visible light wavelength in nanometer Using ur phone keypad PRO -- 770 red MAC-- 622 orange KYS--- 597 yellow KRS--- 577 green IWA--- 492 blue ILL ---- 455 indigo EX0---- 390 violet Microwave Communication  

eto para ma memorize mo ang Ku at Ka band Ku---Unse 11 GHz yung Ka--katorse 14 GHz "King Xerces Can Seduce Lovely Princesses" aids in remembering the microwave frequency bands, in order of increasing wavelength. ECE Reviewee Mnemonics Lage Sa CroXing KUmuKuha ng KAkantuting Vatang Wild -or- “La Salle College X(times) Kuh Keh Kah Volks Wagen” - code for the communication band L: 1-2 S: 2-4 C: 4-8 X: 9-12 Ku: 12-18 K: 18-27 Ka: 27-45 V: 45-70 W: 70-100

The Speed of Light Remember this phrase and when you want to know the speed of light, count the letters in each word of the sentence. We guarantee certainty, clearly referring to this light mnemonic 299,792,458 m/sec "My ingenious astronomy student remembers an easy light mnemonic" (number of characters of a word = digit)

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65

Compilation of ECE Mnemonics Telephony And lastly, I've had to learn the U.S. Telephone companies' supposed standard for multiple-pair telephone cables - up to twenty-five pairs in one cable. It's based on a '5 and 5' scheme; 5 base colors, 5 trace colors, designating the 'Tip' and 'Ring' of each pair; First the Base color is used as the wire insulation, with all the trace or stripe colors in their sequence, then the next base color is used, and the traces are repeated. I'll try to do this; "We Rape Beautiful Young Virgins, But Only Girls Beyond Sixteen" This transposes to "White Red Black Yellow Violet" and "Blue Orange Green Brown Slate" In a multipair cable, the first wire in the first pair is White, Blue tracer (called WH/BL) then the second wire is Blue with White tracer (BL/WH). Next pair is White/Orange and Orange/White, next is White/Green and Green/White, next White/Brown and Brown/White, and finally White/Slate and Slate/White. This takes care of 5 pairs; the next 5 are Red with tracers Blue thru Slate, then 5 pairs of Black with tracers Blue thru Slate. Pair 24 would thus end up as Violet/Brown//Brown/Violet, and pair 25 would be Violet/Slate//Slate/Violet. Mnemonic device ReSePi - TAE Explanation Telephone Hierarchy: Regional Sectional Primary Tandem End Office :) Telecommunications The 25-pair color code used for telephone wiring can be memorized using the following mnemonics: 

Ring colors: Bell Operators Give Better Service 

Tip colors: Why Run Backwards? You'll Vomit

ECE Reviewee Mnemonics Baby Orang-otan Grow Brown Since Wild Red Bear Yelled Violently Restless Again & again Fiber Optics Colors 1. Blue 2. Orange 3. Green 4. Brown 5. Slate 6. White 7. Red 8. Black 9. Yellow 10. Violet/Purple 11. Rose 12. Aqua

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66

Compilation of ECE Mnemonics Multi-Fiber Cable Color Code Position

Jacket color

1

Blue

2

Orange

3

Green

4

Brown

5

Slate

6

White

7

Red

8

Black

9

Yellow

10

Violet

11

Rose

12

Aqua

13

Blue with black tracer

14

Orange with black tracer

15

Green with black tracer

16

Brown with black tracer

17

Slate with black tracer

18

White with black tracer

19

Red with black tracer

20

Black with yellow tracer

21

Yellow with black tracer

22

Violet with black tracer

23

Rose with black tracer

24

Aqua with black tracer

MNEMONIC: Blue Owes Great Britain Several White Rabbits Because Yellow Violated RA9292. Notes: 1.The Mnemonic only describes the 1st 12 colors. Cables 13-24 have the same color sequence except for Cable 20 which is Black with Yellow Tracer. 2.All have black tracers except Cable 20(duh!). ECE Reviewee Mnemonics Multi-Fibre Cable Color Coding Scheme from 1-12: "Blue Owes GREat BRitain Several White Rabbits Because Yellow Violated R.A.9292" (Blue Orange GREen BRown Slate White Red Black Yellow Violet Rose Aqua) ... from 13-24:

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67

Compilation of ECE Mnemonics uulit lang ung taas pero laging may BLACK TRACER (for example, ung #22 is VIOLET WITH BLACK TRACER) :D

ECE Reviewee Mnemonics Optical fiber 1-12 color coding: BlOG Bro'S Will Remain Black Yet Panda Rests Alot. Then for 13-24. lagyan lang ng "and black stripe" lahat except dun sa black(#8), "and yellow" naman ung sa kanya

Data Communication Order of Layer's on the OSI Data      

 

Pa Dapa Na Tinira Si Pricilla Almeda Pa Dapa Na Tinira Si Pamela Anderson Please Do Not Take Susan's Pan Away Physical Data-Link Network Transport Session Presentation Application Phil's Date Now Thinks She Prefers Apples Please Do Not Take Sales Person Advice Please Do Not Touch Sally's Panties Again (This can get a little confuseing if you say "Don't" instead of "Do Not") Because the layers are numbered from the bottom-up, many mnemonics have been developed in both directions, from the top-down and from the bottom-up. Please Do Not Throw Sausage Pizza Away starts at layer 1 (the bottom), as does Programmers Like Networks That Seldom Postpone Anything. And for those who can't remember to say Do Not instead of Don't, we can go the other direction (Application, Presentation, Session, Transport, Network, Data-Link, Physical) All People Seems To Need Data Processing Mnemonic device Please Do Not Throw Sausage Pizza Away Explanation Physical Layer, Data Link Layer, Network Layer, Transport Layer, Session Layer, Presentation Layer, Application Layer Mnemonic device Please Do Not Tell Sales People Anything Explanation Physical Layer, Data Link Layer, Network Layer, Transport Layer, Session Layer, Presentation Layer, Application Layer Mnemonic device Please do not touch Steve's pet alligator Explanation Physical, datalink, network, transport , session, presentation, application Mnemonic device At Present, Some Teachers Need Dr Phil Explanation

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68

Compilation of ECE Mnemonics The OSI Model: Application Presentation Session Transport Network Data Link Physical Mnemonic device Apple Touching Inter Nodes. Explanation Layer 4 -Application Layer 3 -Transport Layer 2 -Internet Layer 1 -Network Access TCP/IP Layers For Networking. ECE Reviewee Mnemonics Seven OSI Layer Ava - APPLICATION Pauline - PRESENTATION Sa - SESSION Tabi - TRASNPORT Ni - NETWORK Daniel - DATALINK Pecaña – PHYSICAL ECE Reviewee Mnemonics TCP/IP Protocol (read from bottom to top) Tapos - TRASNPORT Nag-aral - NETWORK Di - DATALINK Pag – PHYSICAL Sentences to remember the OSI-layers A mnemonic for remembering the OSI model layers: All People Seem To Need Data Processing

Application Presentation Session Transport Network DataLink Physical

or OSI from bottom up: People Do Need To See Pamela Anderson Met dank aan Wouter Sonneveld or: Please Do Not Tell Sales People Anything Please Do Not Trough Sausage Pizza Away Met dank aan An Coremans Please Do Not Touch Steve's Pet Alligator

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69

Compilation of ECE Mnemonics IEEE 802 LAN Standard Numbers 802.3 - 3thernet 802.5 - 5oken Ring 802.11 - 11ireless LAN

Mnemonic device HaLE To WiWi BroMM WRAN! Explanation

802.1 - Higher LAN Layers .2 - Logical Link Layer .3 - Ethernet / CSMA / CD .5 - Token Ring .11 - Wi Fi .15 - Wireless Personal Area Network .16 - Broadband Wireless .20 - Mobile Broadband Wireless .21 - Media Independent Hand-off .22 - Wireless Regional Area Network ECE Reviewee Mnemonics IEEE 802.11 is WiFi kasi dalawang '1', dalawang 'i' :) Mnemonic device ICASEI Bata Explanation I-SO C-CITT A-NSI S-CC E-IA I-EEE

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70

Compilation of ECE Mnemonics 802 SERIES 802.1 802.2 802.3 802.4 802.5 802.6 802.7

Ang AYALA LIKOD Ng SM Sumakay ako ng BUS Nahold-up aking RING Dumating si superMAN Na pinoy big BRO

802.12 802.13

Higher Layer LAN Controls/ Arcnet Logical Link Control Ethernet / CSMA/CD Token Bus Token Ring Metropolitan Area Network (MAN) Broadband Technical Advisory/ Broadband LAN (Coax) Fiber Optic Technical Advisory/ FO Tag Integrated Service LAN/ Integrated Data & Voice Network Interoperable LAN Security Wireless LAN 802.11 – Wi – Fi 802.11b - WLAN Demand Priority Not Used

802.14

Cable Modems

Ng KABLE

802.15

Wireless PAN 802.15.1- Bluetooth Wireless Broadband Access (Wi-Max)/ Wi-MAN 802.16.e- Broadband Wireless Access Resilient Packet Ring Radio Regulatory Tag Coexisting Tag Mobile Broadband Wireless Access Media Independent Hand-off Wireless Regional Area Network (WRAN)

At PANty

802.8 802.9 802.10 802.11

802.16

802.17 802.18 802.19 802.20 802.21 802.22

Na Filipino INdian SECURE na kami WaLA Ng

DEMonyo Na nagnanakaw

Walang MANners!!!

Dinukot sa PoCKET Ang RADIO KO BWIsit Na KAMAY TUMATAKBO

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71

Compilation of ECE Mnemonics Broadcasting and Acoustic Rainbow Color: The name Roy G. Biv helps us to remember the order of the colors in the spectrum. In England "Richard Of York Gave Battle In Vain" is popular (Red, Orange, Yellow, Green, Blue, Indigo, Violet). In an alternate version, "Battle" is replaced with "Birth". It is interesting to note that many modern scientists no longer consider Indigo to be a part of the rainbow. 

the colours of the rainbow Virgin In Bed Gives You Orgasmic Release For : violet, indigo, blue, green, yellow, orange, red.



Virgin In Bed: Get Your Organ Ready!



Rip Off Your Goolies Before I Vomit



Asimov essay: Read Out Your Good Book In Verse



He also said that since Violet was just a fancy-schmancy word for purple, more populistic minded people could also Read Out Your Good Book In Prose Mnemonic device ROY G. BIV Richard Of York Gave Battle In Vain Reports Of Young Girls Banging Inside Vatican Explanation Red, Orange, Yellow, Green, Blue, Indigo, Violet : the colors of the rainbow, in order. Mnemonic device Richard Of York Got Buggered In Venice Explanation Colors in order. Red, orange, yellow, green, blue, indigo, violet. Mnemonic device Roy G. Biv Explanation Color spectrum - Red, Orange, Yellow, Green, Blue, Indigo, Violet Television colour bars

Television colour bars in order of brightness: White, Yellow, Cyan, Green, Magenta, Red, Blue, Black When You Catch German Measles Remain Between Blankets

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72

Compilation of ECE Mnemonics

ECE Reviewee Mnemonics Philo Farnsworth - Father of Television Edwin Armstrong - Father of FM (not Neil Armstrong ok?) Mnemonic device Crazy Cats will drive through fences Explanation laser printing process. cleaning, conditioning, writing, developement, transfering, fusing. Transmission Lines Standing Wave Ratio Mnemonic 4 swear.. 1 + swr swear.. P I Formula 4SWR/(1+SWR)^2 * Pi Wave Propagation & Antenna The Earth’s Atmospheres

Here is a phrase to help you remember the order of the earth’s atmospheres: The Strong Man’s Triceps Explode This stands for: Troposphere, Stratosphere, Mesosphere, Thermosphere, Exosphere. Mnemonic device The Straight Man's Testicles Exploded Explanation Thermosphere Stratospher Mesosphere Troposphere Exosphere(layers of the atmosphere from earth's surface outward) Mnemonic device The Stupid Monkeys Tattled on Elephants Explanation Layers of the earth's atmosphere--Troposphere, Stratosphere, Mesosphere, Thermosphere, Exosphere Mnemonic device Tonight Snakes Make Tea Explanation

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73

Compilation of ECE Mnemonics The levels of the atmosphere:T - TroposphereS - StratosphereM- MesosphereT- Thermosphere Navigational Aids & RADAR 

To aid my recollecting the direction of increasing position angle (it is measured from North, sweeps through the East cardinal point, then South, then West), I always recite the following: Never eat Shredded Wheat. (And, no, this is not a personal vendetta against the Nabisco Company.)



To convert between Grid north and magnetic north on a map, use: East is least, West is best. If the magnetic variation is, say, 3 degrees west, add 3 onto the grid bearing to obtain a magnetic bearing. And vice versa.



Can Dead Men Vote Twice Compass (reading) Deviation (ship's magnetic field error) Magnetic Variation (earth's error) True (course) Mnemonic device PORT is a red wine and red is the left side of politics. Red Left Port. There´s always some red port (wine) left. Explanation To remember the names of a ship's side and the light colour of each side Mnemonic device East is Least, West is Best Explanation Sunrise and set Mnemonic device Never Eat Slimy Worms Explanation All compass directions of the wind; north east south west Mnemonic device naughty elephants spray water Explanation North East South West Mnemonic device never eat shreaded weat Explanation compass points going clock-wise very clever and easy Directions of the Compass Never Eat Shredded Wheat Never Eat Slimy Worms Never Eat Soggy Waffles

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Compilation of ECE Mnemonics Never Eat Sour Watermelon N W

E S

Mnemonic device Red on right, returning Explanation Red on right, returning, except in U.S. coastal waters which are the exact opposite. ie, when returning to port, the red buoys should be on the right side (starboard) of the boat, unless in U.S. coastal waters when they should be on the left. Gotta watch those international boarders, or you could run aground. The united states uses a bouy system the opposite of the rest of the world. Maybe they hope the enemies don't know and will run aground. Mnemonic device PORT has four letters Explanation just like LEFT. The left side of the ship is PORT Mnemonic device The "E" in west rhymes with the "E" in left. Explanation If north is known west is always to the left Mnemonic device Nautical: Can dead men vote twice at elections; or, True virgins make dull companions, add whiskey Explanation To correct a magnetic compass to true or a true compass to magnetic Mnemonic device NEVER EAT SLIMY WORMS Explanation north, south, east, west Mnemonic device Never Eat Shredded Wheat or Never Ever Smoke Weed Explanation The order of the cardinal directions Conversion of magnetic to true heading Can Dead Men Vote Twice (At Elections)? for: Compass + Deviation = Magnetic + Variation = True (Add for East corrections): Timid Virgins Make Dull Company (After Weddings) for: True + Variation = Magnetic + Deviation = Compass (Add for West corrections):

1. 2. 3. 4. 5.

Emergency Communication Emergency Communication Contents of an emergency transmission: PAT HAS ATNIE : Mayday mayday mayday or pan-pan pan-pan pan-pan Callsign of aircraft Position And Time Heading And Air Speed Altitude

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75

Compilation of ECE Mnemonics Type of Aircraft Nature of Emergency Intentions of Captain Endurance Remaining

6. 7. 8. 9.

Alternatively MIPDANIO Mayday Identification Position Distress (eg. Fire, Collision etc) Assitance Required No. of people onboard Information (eg. abandoning to liferaft) Over

Transportation Marine 

The phrase "there's always some red port (wine) left" is used to remember the basics in seafaring. Aviation



pre-landing: GUMPS - Gas, Undercarriage, Mixture, Propeller, Speed.



pre-final: MARTHA - Missed (procedure), Altitude (limit), Radios (set), Time (limit), Heading (final), Airspeed (descent)



pre-high-altitude - FLOWER - Flow (enabled), Lights (test), Oxygen (charged), Water (humidity), Electricity (on), Radio (check)



pre-flight-paperwork - ARROW - Airworthiness (certificate), Registration, Required (charts), Operating (checklists), Weight and balance



night collision avoidance: Red, Right, Returning - Red nav light on Right implies target is Returning (closing)



radio loss Instrument course - CDEF - as Cleared, else Direct to last fix, else as directed to Expect, else as flight plan Filed



spin recovery - POKER - Power (off), Opposite (full rudder), Klean (flaps, ...), Elevator (briskly forward), Recover (from dive) Airplane Airworthy? What evidence can you provide that the airplane that we're about to fly is airworthy? Answer: "Tape-Arow" Transponder inspection (every 24 months) - Annual inspection - Pitot static check (every 24 months) ELT check (yearly) Airworthiness inspection - Registration - Operating limitations - Weight & balance

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Compilation of ECE Mnemonics Indicated Airspeed to True Airspeed ICE-T Indicated Airspeed - what you see from the pitot tube, air-pressure reading Calibrated Airspeed - airspeed after accounting for mechanial and position errors (attitude) of the aircraft Equivalent Airspeed - airspeed after compensating for compression effects (usually need at speeds above 200 MPH) True Airspeed - airspeed after accounting for tempature and amospheric pressure changes Basic instruments and equipment VFR flight What basic instruments and equipment must be on any airplane for VFR flight? Answer: "Goose-a-Cat" Gas gauge - Oil pressure - Oil temperature - Seatbelts - Airspeed indicator - Compass - Altimeter – Tachometer Checklist for Takeoffs

Controls Instruments Gas Altitude indicator Radio

Instruments for IFR flight?

What instruments are required for IFR flight? Answer: "Hac-a-Rat" Heading indicator - Adjustable altimeter - Clock - Attitude indicator - Radios - Alternator/generator - Turn

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77

Compilation of ECE Mnemonics coordinator Potential Evacuation of a Commercial Flight To help the crew members recall what to say to the captain TEST Type of emergency (equipment malfunction, fire, terrorism) Evacuation (yes or no) Signal to be given by the captain (oral, alarm, lights) Time (number of minutes till evacuation)

Pre-landing Checks In UK aviation, BUMPH is a mnemonic for the pre-landing checks carried out by pilots of light aircraft when approaching an airport with intention to land. BUMPH is an acronym for Brakes - unlocked so that wheels are free to rotate on touchdown Undercarriage - down and locked (or welded in the case of fixed-gear aircraft) Mixture - set full rich (or as appropriate to temperature and altitude) Propellor - set full fine pitch (when a variable pitch propellor is fitted) Hatches (and Harnesses) - secured. The Four C's for Emergencies in Flight

Confess the predicament to a ground radio station.

Communicatie with the ground radio link.

Climb in altitude, if possible, for better radar and direction finding.

Comply with the advice and instructions received.

Here are some handy mnemonics that pilot use to help verify the completion of certain tasks. Of course, conscientious checklist usage should be primary, but these can also help.

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Compilation of ECE Mnemonics

CIGAR C I G A R LCA LIGHTS CAMERA ACTION

Runup/Ground Check controls check instruments set gas (proper tank, pump on, etc) attitude (flaps, trim, etc.) runup Before Takeoff strobes, navs, landing transponder (so ATC can "see" you) any other actions to be performed like boost pump on, control checks, flaps and trim set, etc.

BLITTS B L I T T S

Line-Up Check boost pump on lights as required instruments set transponder on takeoff time noted seat, belts, doors secured

FLARE F L A R E

Enroute flaps set (if extended during takeoff) lights as required auxiliary fuel pump off (if on for departure) radar transponder on engine (lean mixture when at altitude)

GUMPS G U M P S

Before Landing gas (proper tank, pump on or off, etc.) undercarriage mixture set prop set and/or primer in/locked switches (lights, pitot heat, etc.)

Note: add C in front of GUMPS for carb heat (becomes "Charlie GUMPS")

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79

Compilation of ECE Mnemonics

MPG M

Before Landing mixture set

P

prop set

G

three green (gear down) CCCC C C C C

Go Around cram it (full throttle) clean it (flaps up) cool it (cowl flaps) call it (make radio call)

Note: if your aircraft has carb heat rather than cowl flaps, use that for "cool it."

FACTS F

After Landing flaps up

A

auxiliary fuel pump off

C T S

cowl flaps transponder standby switches (pitot heat, lights, etc.)

FLARE F

After Landing flaps up

L

lights as required

A R E

auxiliary fuel pump off radar transponder standby check for ELT activation

MIDGET M

After Landing master off

I

ignition off

D

doors/windows locked

G E T

gust lock installed ELT off tiedown plane

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80

Compilation of ECE Mnemonics

TTTTTT T

(IFR) Crossing a Fix / Approach turn to proper headnig

T

time hold or approach

T T

twist OBS knob to inbound course throttle adjustments, as required talk - procedure turn inbound, entering the hold, etc.

T

WIRETAP (IFR) Nearing Destination Weather (AWOS, ATIS, ASOS, etc.) W instruments set I R E T A P

radios tuned elevation (check final approach fix altitude) talk to ATC altitudes for decision height or minimum descent altitude procedure for missed approach

APTATEN (IFR) I tems in Sequence aircraft identification A P

position (name of fix)

T A T E N

time crossing fix altitude type of flight plan ETA at next reporting point name of next reporting point

HAMSACC (IFR) Required Reported Items holding (time and altitude) H altitude changes A M S A C C

missed approach safety of flight (if anything affects it) airspeed changes (of 5% or 10kts) communication or navigation capability loss climb rate (when unable to maintain 500fpm)

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Compilation of ECE Mnemonics Satellites ECE Reviewee Mnemonics Satellites Moon - Mr. Sputnik 1- Sex Explorer - Expert Spore - Scores Echo - Every Carrier - Chatmate Telstar 1 - Tuesday Telstar 2 - Thursday Syncom - Saturday Intelsat - In the Early Bird – Evening

According to CNN, Diwata-1 (also known as PHL-Microsat-1) launched into space on board an Atlas V rocket on Wednesday (March 23. 2016) at around 11 a.m. PHT. Mnemonic: “She’s Diwata-1, She’s Da 1 (one)”

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Compilation of ECE Mnemonics NOTE: This compilation is not intended as a substitute for the review and refresher. The reader should regularly attend his/her class on its review center relating to any ECE board exam topics and particularly with respect to any comprehensive collection of techniques. They may also buy review books from different review centers to aid their review needs. Such allusive and colloquial green mnemonics here are not intended to be witty or extravagant, but intended to assist reader’s memory as one of the study techniques for remembering anything more easily. Nevertheless, this is also a compilation that was searched and shared by different people and organizations. A huge thanks to them. Good luck to all reviewees and enthusiast. To God be the glory!

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