Board Exam Review - Set 2B
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Board Exam Review - Set 2B...
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Showing posts with label ChE Practice Exams Set 2B. Show all posts
Practice Exams ChE ‐ 26
Architecture Board Exam Scope Board of Architecture Architecture Board Composition Architecture Law and
1. If the roots of the equation are zero, then they are classified as
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b. extraneous roots
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c. hypergolic solution
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d. trivial solution e. none of the above 2. The sum of the interior angles of a polygon is 2700 degrees. How many sides are there? a. 15
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b. 16
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c. 17
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d. 18
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e. none of the above
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3. The volume of a sphere is increasing at the rate of 6 cm^3/hr. At
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what rate is its surface area increasing when radius is 40 cm?
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a. 0.4 sqcm/hr
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b. 0.3 sqcm/hr
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c. 0.2 sqcm/hr
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d. 0.9 sqcm/hr
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4. What horizontal force P can be applied to a 100 kg block in a level
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surface with a coefficient of friction of 0.20 that will cause an
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acceleration of 2.5 m/s^2?
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a. 446.2 N
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b. 224.5 N
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c. 53.8 N
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d. 343.5 N
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5. An object falls from a height of 92 m and strikes the ground with a speed of 19 m/s. What is the acceleration?
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a. 1.96 m/s^2
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b. 9.81 m/s^2
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c. x + y = 3
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d. 3x + 4y = 3
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e. 2y – 33 x = 11
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6. A cable weighing 60 N, is suspended between 2 supports on the
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of the lowest point of the cable from the ground level.
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a. 188.2 m
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7. The volume of any solid of revolution is equal to the generating
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of the area. This is known as
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8. The curve represented by the equation r = 6 is a. a circle
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Practice Exams ChE ‐ 25
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(http://uplb.edu.ph) 1. The cost of a product is a function of the quantity x of the product is given by the relation C(x) = x^2 40000x + 50. Find the quantity
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for which the cost is minimum.
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a. 1000
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b. 2000
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2. When all odd numbers from 1 to 101 is added, what will be the sum? a. 2500
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3. If y = x/2 + [sin(2x)]/4; find x for which dy/dx = 0. a. Pi/4 b. Pi/2
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4. Which of the following is not factorable? a. 2m^2 + mn + 3n^2
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e. none of the above
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5. A tank contains 100 gal water. A salt solution containing 2 lb salt
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the total receipt was P700, how many students did not watch any
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7. What is the value of x for which y = 2x^3 – 3x^2 – 36x +25 will have an inflection point? a. 1/3
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8. A steel rod is stretched between 2 rigid walls and carries a tensile
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load of 5000 N at 20 degC. What T will the stress be zero? The cross sectional area is 150 mm2. a. 34.2 degC b. 45.5 degC c. 30.0 degC d. 42.9 degC e. none of the above 9. The locus of a point that move so that its distance from fixed point and fixed line is always equal is known as: a. parabola b. hyperbola c. ellipse d. circle
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Board Exam Review 10. The area of a triangle are formed by points A(4,3), B(7,4), C(3,6) is a. 28 sq units b. 38 sq units c. 48 sq units d. 58 sq units e. none of the above Save to del.icio.us • Digg This! • Stumble It! by Board Reviewer , Links to this post , 0 comments
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Practice Exams ChE ‐ 24
1. A series of equal quarterly receipts of P1000 extends over a period of 5 yrs. What is the present worth of this quarterly payment series at i=8%, compounded continuously? a. 16,351 b. 15,971 c. 6,320 d. 15,345 e. none of the above 2. Lines drawn from the focus to any point of an ellipse are called the focal radii of the ellipse. Find the equation of the focal radii drawn to the point (2,3) one the ellipse 3x^2 + 4y^2 = 48. a. 3x – 4y = 6 b. x 4y = 8 c. 4 4y = 10 d. 3x 3x = 3 e. 3x 4y = 6 3. Is the graphical visualization of the moment equation plotted on Mx axis a. Maxwell diagram b. Forcebody diagram c. Shear diagram d. Moment diagram e. none of the above 4. A housewife bought a brand new washing machine costing P12,000 if paid in cash. However, she can purchase it on installment basis to be paid within 5 years. If money is worth 8% compounded annually, what is her yearly amortization if all payment are to be made at the beginning of each year? a. 2782.55 b. 2400.00 c. 2872.58 d. 2827.55 e. none of the above 5. The curve represented by the equation r = 6 is a. a circle b. parabola c. ellipse d. line
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Board Exam Review e. none of the above 6. If the 1st and 4th terms of a harmonic progression are 1/3 and 1/9, respectively, find the 8th term. a. 1/17 b. 1/11 c. 1/14 d. 1/13 e. 1/19 7. A 0.3 kg mass attached to a 1.5 m long string is whirled around a horizontal circle at a speed of 6 m/s. Considering a centripetal acceleration, what is the tension in the string? a. 7.2 N b. 720 N c. 24 N d. 240 N e. none of the above 8. To raise money for your business, you need to borrow P20,000 from a local bank. If the bank asks you to repay the loan in 5 equal annual installments of P5548.19, determine the banks annual interest rate on this loan transaction. a. 11 % b. 12 % c. 4.5 % d. 27.74% e. none of the above 9. A cast iron column supports an axial compressive load of 250 kN. Determine the inside diameter of the column if its outside diameter is 200 mm and the limiting compressive stress is 50 Mpa. a. 150 mm b. 183.4 mm c. 253.34 mm d. 143.2 mm e. none of the above 10. Super Ferry allowed A kg of baggage for free with additional charge for baggage in excess of the limit. The combined weight of the baggages of passengers on one particular trip was 105 kg. One passenger paid P100 extra while the other paid P150 extra. A 3rd passenger in the same trip has 105 kg baggage and was charged P650 extra. Find A in kg. a. 40 b. 60 c. 50 d. 70 e. none of the above Save to del.icio.us • Digg This! • Stumble It! by Board Reviewer , Links to this post , 0 comments
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Practice Exams ChE ‐ 23
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Board Exam Review 1. What is the area of a rhombus whose diagonals are 10 cm and 16 cm respectively? a. 160 sq cm b. 80 sq cm c. 100 sq cm d. 120 sq cm e. none of the above 2. In two years, Ara will be as old as Rico is now. In 26 years, Rico will be twice as old as Ara is now. How old is Ara now? a. 27 b. 28 c. 29 d. 30 e. 40 3. (x^2 + 3y)dx – xdy = 0 is a. linear in x b. nonlinear in y c. linear in y d. variable separable e. none of the above 4. A sequence of numbers where every term is obtained by adding all the preceding terms such as 1, 5, 14 and 30 is called a. Triangular number b. Euler’s number c. Pyramidal number d. Tetrahedral number e. none of the above 5. It is caused by forces acting along or parallel to the area resisting the forces. a. shearing stress b. bearing stress c. tensile stress d. bending stress e. none of the above 6. What is the future worth of an equal quarterly payment series of P2,500 for 10 years if the interest rate is 9% compounded monthly? a. F=P158,653 b. F=P154,718 c. F=P151,930 d. F=P160,058 e. none of the above 7. A kite at a height of 60 ft is moving horizontally at a rate of 5 ft/s away from a boy who flies it. How fast is the cord being released when 100 ft are out? a. 6 ft/s b. 8 ft/s c. 2 ft/s d. 4 ft/s e. none of the above 8. Find the total water pressure on a vertical circular gate 2.0 m in diameter, with its top 3.5 meters below the water surface. a. 169.5 kN b. 107.9 kN
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Board Exam Review c. 138.7 kN d. 186.5 kN e. none of the above 9. Find the area of a circle whose equation is: x^2 + y^2 + 4x + 6y – 23 = 0. a. 36 pi b. 30 pi c. 40 pi d. 45 pi e. none of the above 10. A car dries off a horizontal embankment and land 11 m from the edge of the embankment in a field that is 3 m lower than the embankment. With what speed was the car traveling when it left the embankment? a. 15 m/s b. 14.1 m/s c. 14.1 m/s d. 13.99 m/s e. none of the above Save to del.icio.us • Digg This! • Stumble It! by Board Reviewer , Links to this post , 0 comments
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Practice Exams ChE ‐ 22
1. Find the equation of the line passing through (1,2) and (3,5). a. 2x 5y 12 = 0 b. x + y = 7 c. 3x 11 = 2y d. 3x 4y + 11 = 0 e. 3x 4y 11 = 0 2. The square of the sum of two positive numbers is 45 and their product is 6. the sum of their squares is? a. 44 b. 33 c. 22 d. 55 e. none of the above 3. You have been offered a credit card by an oil company that charges interest at 1.8% / month compounded monthly. What is the effective annual interest rate that this oil company charges? a. 21.6 % b. 23.87 % c. 22.34 % d. 18 % e. none of the above 4. A machine purchased for P45,000 had a depreciable life for 4 years. It will have n expected salvage value of P5,000 at the end of the depreciable life. Using the straight line method, what is the book value at the end year 2?
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Board Exam Review a. 27,500 b. 35,000 c. 20,000 d. 25,000 e. none of the above 5. A 100 ohm resistor, a 0.0001F capacitor and a 0.1H inductor are connected in series to a 120V rms generator. If the generator frequency is 60Hz, find the impedance and effective current. a. 101 ohm, 1.19 A b. 105 ohm, 1.5 A c. 111 ohm, 1.8 A d. 116 ohm, 2.15 A e. none of the above 6. The major and minor axis of an ellipse measures 10 and 8 units respectively. The distance between the foci is a. 3 b. 6 c. 5 d. 7 e. none of the above 7. When 0.0019448 is corrected to 3 significant figures, it becomes a. 0.00190 b. 0.002 c. 0.00194 d. 0.00195 e. none of the above 8. How many sides has a polygon if the sum of interior angles is 2520?? a. 12 b. 15 c. 16 d. 14 e. none of the above 9. It is a stress that acts tangent to the surface of the cylinder. a. longitudinal stress b. bearing stress c. tangential stress d. shearing stress e. none of the above 10. Mixtures of oxygen and helium can be tolerated by divers. What proportion should oxygen be if the diver works 5.0 m below the surface and the partial pressure of oxygen should be 0.30 atm? a. 5.12 % b. 4.88 % c. 6.00 % d. 5.86 % e. none of the above Save to del.icio.us • Digg This! • Stumble It! by Board Reviewer , Links to this post , 0 comments
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Practice Exams ChE ‐ 21 http://boardexamreview.blogspot.com/search/label/ChE%20Practice%20Exams%20%20Set%202B
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1. A body whose temperature is 180 degF is immersed in a liquid which is kept at a constant temperature of 60 degF. In one minute, the temperature of the immersed body is 120 degF. The time it will take the body’s temperature to decrease to 90 degF is a. 2 min b. 3 min c. 1.5 min d. 2 hrs e. none of the above 2. A line 2x + ky 11 = 0 is perpendicular to 5x 3y + 4 = 0. The value of k is a. 4/3 b. 3/5 c. 5/12 d. 10/3 e. none of the above 3. The area in the second quadrant of the circle x^2 + y^2 = 36 is revolved about the line y + 10 = 0. What is the volume generated? a. 2208.53 b. 2218.33 c. 2228.83 d. 2233.43 4. It measures the resistance to twisting the member. a. force b. shear c. torque d. stress e. none of the above 5. Find the area of the triangle whose vertices lie at the points (4,1), (6,2) and (2,5). a. 4 b. 6 c. 5 d. 7 e. none of the above 6. A series of equal semiannual payments of P1000 for 3 years is equivalent to what present amount at an interest rate of 12% compounded annually? (All answers are rounded to the nearest peso). a. 4944 b. 4500 c. 4804 d. 5401 e. none of the above 7. In a pile of logs, each layer contains 1 more log than the layer above and the top layer contains 1 log. If there are 171 logs, how many layers are there? a. 20 b. 16 c. 18 d. 14
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Board Exam Review e. none of the above 8. The driver of a car traveling at 24 m/s sees a cow on the road. Calculate the stopping distance if the driver’s reaction time before applying the brakes is 0.75 sec and the car’s deceleration after the brakes are applied is 3.6 m^2/s. a. 89.0 m b. 85.5 m c. 93.0 m d. 98.0 m e. none of the above 9. A garden hose with a crosssectional area of 2 sq cm has flow of 200 cm^3/s. What I the average velocity of water? a. 1.5 m/s b. 2.5 m/s c. 2.0 m/s d. 1.0 m/s e. none of the above 10. A series of equal quarterly deposits of P1000 extends over a period of 3 years. What is the future worth of this quarterly deposit series at % interest compounded monthly? a. 13,160 b. 13,615 c. 12,590 d. 13,112 e. none of the above Save to del.icio.us • Digg This! • Stumble It! by Board Reviewer , Links to this post , 0 comments
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Practice Exams ChE ‐ 20
1. A water tank is 8m in diameter and 12m high. If the tank is completely filled, determine the minimum thickness of the tank plating if the stress is limited to 40 MPa. a. 12.5 mm b. 13.7 mm c. 11.8 mm d. 14.1 mm e. none of the above 2. Which of the following is not a unit of work? a. Joules b. KWatthr c. Erg d. Slug e. none of the above 3. A debt of P5000 with 12% interest compounded semiannually is to be amortized by equal semiannual payments over the next 3 yrs; the first due is 6 months. What will be the semiannual payment? a. 1006.82 b. 1061.81
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Board Exam Review c. 1016.82 d. 1826.82 e. none of the above 4. How many diagonals does a tensided convex polygon have? a. 45 b. 40 c. 35 d. 30 e. none of the above 5. It is defined as the summation of moments taken about an axis passing through the centroid of the crosssection of all loads and reactions applied to the portion of the beam on either side of the crosssection. a. bending moment b. shear c. deformation d. elongation e. none of the above 6. The cost C of a product is a function of the quantity x of the product: C(x) = x^2 – 4000x +50 . Find the quantity for which the cost is minimum. a. 3000 b. 1000 c. 2000 d. 1500 7. You obtained a loan of P20000 to finance the purchase of an automobile. Based on monthly compounding for 24 months, the end ofthe month equal payment was figured out to be P922.90. Immediately after making the 12th payment, you decide you want to pay off the loan in lump sum. The size of this lump sum amount is nearest to which of the following: a. 10,498 b. 12,044 c. 11,075 d. 12,546 e. none of the above 8. The length of the sides of a triangle are 12, 15, 18. A circle tangent to the longest and shortest side has its center on the remaining side. Find the distance from the center of the circle to the midpoint of the side where the center of the circle lies. a. 2.3 b. 1.5 c. 3.4 d. 4.6 e. none of the above 9. It is the highest ordinate on the stressstrain curve. a. Ultimate strength b. Yield strength c. Rupture point d. Proportional limit e. none of the above 10. If you invest P2000 today in a saving account at an interest rate of 12% compounded annually, how much principal and interest
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Board Exam Review would you accumulate in & years? a. 4242 b. 2300 c. 4422 d. 1400 e. none of the above Save to del.icio.us • Digg This! • Stumble It! by Board Reviewer , Links to this post , 0 comments
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Practice Exams ChE ‐ 19
1. In a group of 40 executives 27 prefer to drink San Miguel beer while 25 Beer na Beer. How many prefer to drink both? a. 10 b. 11 c. 12 d. 13 e. none of the above 2. In how many ways can a committee of three consisting of two Chemical Engineers and one Mechanical Engineer can be formed from four Chemical Engineers and 3 Mechanical Engineers? a. 18 b. 32 c. 64 d. none of the above 3. He is the scientist that introduced a constant of proportionality in 1807 commonly known as modulus of elasticity. a. Thomas Jefferson b. Thomas Young c. Albert Einstein d. Ferdinand Singer e. none of the above 4. Which of the following statements is incorrect? a. If two investors are considering the same project, the payback period will be longer for the investor with the higher MARR. b. If you were to consider the cost of funds in payback period calculation, you would have to wait longer as you increase the interest rate. c. Considering the cost of funds in a payback calculation is equivalent to finding the time period when the project balance becomes zero. d. The simplicity of the payback period methods is one of its most appealing qualities even though it fails to measure project profitability. e. none of the above 5. If the moment of inertia of a circle is 500 m^4, its are is nearest to: a. 74 sqm b. 80 sqm c. 76 sqm d. 78 sqm e. 98 sqm
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Board Exam Review 6. How many signals each consisting of 6 flags hang in a vertical line can be formed from 4 identical red flags and 2 identical blue flags? a. 5 b. 10 c. 15 d. 20 e. none of the above 7. What part of 90% alcohol must be removed and replaced by an equal amount of pure alcohol to make a 95% alcohol solution? a. 5% or less b. 5% c. between 5% and 10% d. 50% e. none of the above 8. Water is pouring into a conical vessel 15 cm deep and having a radius of 3.75 cm across the top. If the rate at which the water rises is 2 cm/s, how fast is the water flowing into the conical vessel when the water is 4 cm deep? a. 4.57 cu. m/s b. 6.28 cu. m/s c. 2.37 cu. m/s d. 5.73 cu. m/s 9. A hot air balloon rising straight up from a level field is tracked by a range finder 5000 ft from the point of lift off. At the moment, the range finder’s elevation angle is 45 ?. The angle is increasing at a rate of 0.14 rad/min. How fast is the balloon rising? a. 120 ft/min b. 160 ft/min c. 130 ft/min d. 140 ft/min e. none of the above 10. It is the surface generated by moving a straight line (called generator) which is always parallel to a fixed line and which always intersect at a fixed plane curve is: a. cylindrical surface b. paraboloid c. locus of a point d. spherical surface Save to del.icio.us • Digg This! • Stumble It! by Board Reviewer , Links to this post , 0 comments
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