Paper II Set I{Q1 to Q630}
Short Description
paper 2...
Description
SL No
Question
Option_1
Option_2
Option_3
Option_4
ANS
1
Engineering Drawing is a representation of object:-
In Roman language
As a graphic representation
Printing
None of the above
B
2
Set squares are used in Engineering Drawing to draw
Horizontal lines
Vertical lines
Straight lines
All straight lines except horizontal lines
D
Compass is used in Engineering Drawing to draw
Circles of 15 cm radius
Draw circles of 30 mm radius without attachment bar.
Draw circles of 30 cm radius with attachment bar.
Draw circles of 30 mm radius with attachment bar.
C
Eraser should be used to
Erase the unwanted line
Erase the unwanted line
Erase the unwanted line without erasing the surrounding wanted lines
Both B & C
C
Set off given distances.
All the above
D
It will not damage the paper or board.
Both B & C
C
Longer axis
None of the above.
B
All the above.
D
Material.
C
3
4
5
Dividers are used in Engineering drawing to
Divide curved or straight line
6
For fixing the paper draughting tape and chips are used because
It appears good
7 8
9
In the figure ellipse the line passing through center perpendicular to major axis is called: Engineering Drawing language for who are engaged in: Engineering Drawing gives the details of any object:
Shorter axis
Minor axis.
Manufacturin g
Inspection
Shape
Size
The instrument used to draw irregular curves of changing radius is called :Thickness of Drawing board is : The pencil used for drawing should be kept sharp to stab should not be An angle which is more than 180 degree but less than 360 degree is ;When two angles together make 180 deg They are said to be When two angles together make 90 deg they are said to be
Bow compass. 15 mm Less than 60 mm
16
10
To transfer dimensions from one part of the drawing to another part. It hold the drawing paper and board.
Maintenance work All information required for manufacture or inspection of the object.
Compass.
French curve
Divider.
C
20 mm More than 85 mm
26 mm Less than 75 mm
25 mm More than 65 mm.
D
Obtuse angle
Straight angle
Reflex angle
Adjacent angle.
C
Complement ary angles. Supplementa ry angle
Supplementar y angles.
Reflex angles
Acute angles.
B
Acute angle.
Adjacent angle.
Modern Roman letter is consisting of
Thick lines
Thin lines
Wide lines
17
In engineering Drawing normal lettering ratio height and width is
9:6
6:2
3:1
7:4
D
18
Good style of lettering should aim at
Uniformity of thickness.
Uniformity of shape, size and style.
Uniformity of spacing.
All the above.
D
19
At the bottom of the drawing sheet to make title block the line used is
Thin line.
Medium line.
Thick line.
Extra thick line.
D
20
Wider lines are drawn as
Short dashes.
Short and long dashes.
Short dashes closely and evenly spaced.
Short double dashes.
C
F brakes.
L brakes.
T breaks.
S breaks
D
Section lines. Isometric drawing. Isometric drawing.
Center lines. Oblique drawing. Oblique drawing.
Outline. Representation factor. Perspective drawing
Both A & B
D
Both B & C.
D
Non pictorial drawing.
C
11 12 13 14 15
21 22 23 24
The breaks used on cylindrical metal are often refers to as The following lines are drawn as thin lines The ratio of the dimension of the drawing to the corresponding dimension of the object is the One of the three dimensional drawing but far side will appear converging is known as :-
Complementary angle. Heavy and light line.
C
D D
In Engineering drawing, if the length is drawn half the actual length and face at an angle of 45 drawing is known as :-
Isometric.
Cabinet.
Cavalier.
Perspective.
B
26
In third angle projection method
The view from the above placed underneath and vice versa.
The view from the above placed above and vice versa.
The view from the left placed on the left and vice versa.
Both B & C.
D
27
In first angle projection method the projection are made on
Elevation projected on VP.
Plan projected on HP.
All the above.
D
The representation fraction or scale of drawing is equal to
Length of object in the drawing by actual length of the object.
Width of the object in the drawing by actual width of the object.
End view projected on auxiliary plane (right to left). Area of the object in the drawing by actual area of the object.
Either B 0r C
A
- 11011
- 00100
+ 11011
+ 00100.
B
Zero Each 0 is changed to 1 and viceversa. 10100.1100
Complement Each 0 is changed to 2 and viceversa. 11000.0011
One
Original.
D
Each 0 is changed to 4 and vice-versa.
Each 0 is changed to 8 and vice-versa.
A
10011.0101
11100.100
D
Key board
Printer
Mouse
Joy stick.
B
Tri-directional
Bi-directional
up to 10 cm
up to 20 cm
Quadradirectional. up to 15 cm
Drawing vertical line
Drawing curved line
Drawing semi circular line
A
Drawing pin
Round head pin
Clips and tape
Paper pin
C
Black
Blue
Brown
White
D
Straight angle Isometric drawing
Complementa ry angle Oblique drawing
Reflex angle
Adjacent angle
B
Perspective drawing
Non-pictorial drawing
C
T' Square
Set Square
Compass
Protractor
C
Protractor
Bow compass
Compass
French curve
A
Blue
White
Red
Green
B
45 deg - 60 deg. -90 deg. And 60 deg. 90 deg. - 180 deg.
45 deg. - 90 deg. - 45 deg. And 30 deg. 90 deg. - 60 deg.
45 deg. - 60 deg. - 180 deg. And 30 deg. - 90 deg. - 60 deg
C
25
28
29 30 31 32 33
In Binary subtraction, subtract 11011 from 10111 :Complement of a complement equal to; The 1's compliment of a binary number is the number that results when :Binary equivalent of 34.4 (8) is : Among the following, the output device in a computer is;
34
Many dot matrix printers are:-
35
Compass is used to draw circles of:
36
T' Square is used for:
37 38 39 40 41 42 43
Now a days fixing the paper on the board, the following pins is used: Colour of paper usually used in Engineering Drawing is: If two angles together make 90 deg , they are said to be: One of the three dimensional drawing far side will appear converging is known as: The special tool drafting machine marked on drawing board does not cover the function of: The drawing tool, which is used to draw or measure such angle, which cannot be withdrawn with set square is: In the blue print process, when sensitized paper is washed in running water, the portion covered by black tracing line turn in to:
Unidirectiona l Up to 25 cm Drawing horizontal line
C D
44
Triangles or set squares comes in pair of:
45 deg.-120 deg.- 180 deg. And 60 deg.- 90 deg.-180 deg.
45
In convention of lines, thinnest line a draftsman is able to draw is:
20 mm
0.02 mm
0.20 mm
0.002 mm
C
46
A good style of lettering should aim at:
Uniformity of thickness
Uniformity of shape and size
Uniformity of spacing and style
All the above
D
95 deg.
85 deg.
75 deg.
65 deg
C
French curve
File pad
Shield
Square
A
Decoration
Projection
Dimension
C
Break line
Section line
Adjacent parts
Section. Parts to be sectioned
Supplementa ry angle
Complementa ry angle
Acute angle
Obtuse angle.
A
47 48 49 50 51
The inclination angle in a slanting type of lettering is: An instrument used for making curve lines is known as: Leader lines are used for: In engineering drawing, a thick free hand irregular lines indicate: When two angles together make 180 deg , they are said to be:
A
52 53 54 55 56 57 58 59
60 61 62 63 64 65 66 67 68 69
A drawing of an entirely finished product with the components assembled together in the correct relative position is known as: To show yards, feet and inches on a scale, the scale will be suitably constructed as: A thick small dash and two small dashes are used in the line to express Dot matrix printer is an example of:A keyboard is a most common:A movable vertical surface for controlling the motion of an aerodyne about the normal axis IS:The left side of an aircraft when facing the front as seen from the cockpit is :Movable aerofoil situated at the rear end of each wing and designed to impart a rolling movement to the aerodyne about longitudinal axis is :Hinged rear positions of the main plane which move in the same direction on Port and Star board wings are: A fixed vertical surface affecting the directional stability of an aero plane is :A fixed horizontal surface situated at the rear of an aircraft affecting the longitudinal stability is :One of the thrust augmentation device used in jet engine is :A supporting surface of a aerodyne is :The capacity of a material to absorb the energy in elastic range The property being permanently extended or flattened by hammering rolling or pressing without rupture The property whereby a metal can be drawn out into a wire with out cracking The liability of a metal to fracture on receiving a blow or shock The permissible difference in dimension to allow for various fits is termed as :
70
Pig Iron is
71
The cast steel is produced by :
72
Pure iron has a tensile strength of :
73
Pig iron is used as the basic material for producing ;-
74
The constituents of brass are: -
75
Metal is a substance which posses certain physical properties such as:
76 77 78 79 80 81 82
Forcing plastic material through die of required shape by means of hydraulic pressure is called: The body of a twist drill is lesser in diameter towards the shank end by: Hide faced hammer is classified by: Slow and progressive deformation of a material with time under a constant stress is called: The property of a material to resist heat and electricity is known as The straight part of the tread, which connect the crest and root is known as: While soldering low voltage ceramic
Detail drawing
Assembly drawing
Pictorial drawing
General drawing
D
Plain scale
RF scale
Diagonal scale
Vernier scale
C
Long break
Short break
Cutting plane
Hidden parts
C
Line printer Memory unit
Laser printer Input device
Drum printer Control device
Character printer Output device.
D B
Rudder
Elevator
Aileron
Fin.
A
Star board
Port side
Rear side
None of the above.
B
Rudder
Elevator
Aileron
Fin.
C
Elevator
Aileron
Fin
Flaps.
D
Rudder
Fin
Flaps
Elevator
B
Main plane
Fuselage
Tail plane
Fin.
C
Exhaust pipe
Turbine
After burner
Compressor.
C
Main plane
Tail plane
Fuselage
Fin.
A
strength
stiffness
resilience
Resistance
C
Elasticity
Swaging
Malleability
Tenacity
C
Elasticity
Ductility
Savaging
Drawing.
B
Malleability
Tenacity
Fusibility
Brittleness
D
Clearance
Allowance
Resistance
Tolerance.
B
weak and brittle Cementation process 20 Tons /Sq inch
Hard and Brittle. Open hearth process 55 Tons / Sq inch
none of the above
A
Electric process.
B
50 Tons / Sq inch.
B
Steel..
B
Copper, Zinc They conduct heat or electricity
ductile and malleable Crucible process 18 Tons/ Sq Inch Cast iron ,wrought iron and steel by suitable process Copper, Tin They generally have ringing tones
Tin, Lead They have metallic lusture or shine
Copper, Lead.
A
All the above.
D
Plasticity
Swaging
Stamping
Extrusion
D
0.002"
0.001"
0.004"
0.003"
B
Size and weight
Type and weight of the head in ounce
Weight only
The number stamped on it
D
Strength
Creep
Resilience
Stiffness
B
Stiffness
Resistivity
Conductivity
Ductility.
B
Crest
Flank
Root
Thread angle
B
350 deg. C
200 deg. C
225 deg. C
250 deg. C
B
Cast iron
Marking off and surface plate
83 84 85 86 87 88
capacitors, the soldering time should be kept less than 5 seconds, and temperature should not exceed: Hand brace is used for drilling small holes up to: The accuracy of micrometer in metric system is: Large component and number of parts can be soldered in one operation by: A type of thread used for transmitting great pressure in one direction only, is called: To calibrate the torque wrenches, the number of comparison reading required at least is: In switch board connection, the red coloured cable is used for:
1/2" diameter
1/8" diameter
1/4" diameter
1" diameter
C
0.02 mm
0.01 mm
0.05 mm
0.04 mm
B
Hard soldering
Sweat soldering
Dip soldering
Silver soldering
C
Worm thread
Acme thread
Square thread
Buttress thread
D
Two times
Three times
Five times
Six times
C
Earth line
Neutral line
Live line
Lifeline
C
Diameter and length
Diameter and breadth
Diameter and material.
B
Air tight stiff nut
Nyloc cap nut
D
Code
Viscosity.
D
Hydro carbon
Non-leaded petrol
C
89
The size of split pins is determined by its:
90
The type of locking device suitable for Pressurised cabin, fuel and oil tanks is"
Diameter and colour code Nylon stiff nut
91
Lubricating oil is graded by:
Colour
92
Lubricant oil is mixture of:
Trichloroplyle ne
Phillips stiff nut Amount of hydro carbon present Fluid lubricants
Use correct size of spanner so that:
The over tightening is avoided
The time delay is avoided
The possibility of cross threading is avoided
The bolt head or nut is not damaged
D
Flux
Solvent
Solder
Wax
C
Brass
Zinc
Silver
A
Brazing lamp
MOX tablet
Open flame.
B
Graphite carbon steel Invar steel
Spring carbon steel Silver
Nickel Electrical heating element Low carbon steel Nickel
0.001"
0.004"
0.005"
0.003"
The type of capacitor suitable for use in AC circuits such as in AC motor starter is :
Paper capacitor
Electrolytic capacitor
Polorised electrolytic condenser
The tenacity with which a magnetic material holds on to its magnetism is called : In DC generator staggering slots are used to minimize ripple in the The total capacitance in an electrical circuit having three capacitors of 2 micro farads, 3 micro farads and 6 micro farads connected in series: In iron cored transformer with 8: 1 ratio is connected to 120V mains, the voltage across secondary will be: For high voltage the insulator used is: Any machine converts mechanical energy into electrical energy is known as Fleming's right hand rule is used to find out the direction of: In delta connected alternators the 3 phase windings are joined in:
Coercive force
Retentivity
Coercivity
Non-polarized electrolytic capacitor Magnetic Hysterisis
Input voltage
Input and out put voltage
Output voltage
Output current
C
11F
11 Mf
0.1 mF
10 F
C
20 V
15 V
10 V
25 V.
B
Trace paper
Melinex
Impregnated
Tissue paper
B
Motor
Stator
Generator
Amplifier
C
Auto transformer
Motion of the conductor Step up transformer
Direction of current. Voltage transformer
109
In transformerif K is greater than one, then the transformer is called:
Greater accuracy
Robust in construction
Direction of induced emf Step down transformer To provide equal amount of frequency
Cooling purpose
D
110
The maximum value, positive or negative of an alternating quantity is known as:
Time period
Frequency
Amplitude
Cycle
C
111
The direction of motion of a DC motor is given by:
Fleming's left hand rule
Faraday's law
Lenz's law
B
112
The total capacitance in electrical circuit having
11 Mf
1F
1 mF
D
93 94 95
A filler material used to join the parent metal is known as: Brazing is used to give strong joint for:
96
In aluminothermic soldering iron, the source of heat is:
97
The key seat rule is made of:
98
All the precision instruments are made of: The accuracy of the feeler gauge for measuring thickness is:
99 100 101 102 103
104 105 106 107 108
Field
Fleming's right hand rule 11 F
High carbon steel. Steel
D A C B C
B B
three capacitors of 2 mF, 3 mFand 6 mF connected in series is: 113
By decreasing the flux, the speed a shunt motor will be:
Remain constant
Increase
Decrease
Diminish because torque is insufficient.
B
114
Kirchoff's law are more comprehensive than ohms law are used for solving:
Electrical conductance
Electrical temperature co efficient
Electrical resistance network
Electrical net work
D
115
Resistance offered by 100 cm length of wire having an area of cross section of 100 cm sq is called:
Specific conductance
Specific coefficient
Specific resistance
D
116
The isometric drawing represent three dimensions of the object:-
Specific temp. coefficient Lenght, breadth and height of the object. Mini computer 111 19 Bipolar device One word of data Converter
Length, breadth, height and depth of the object.
A
Analog computer
A
1111 101 Constant current device
D A
118 119
Computer which doesn't compute directly with the number is called : The number 17 octal is equivalent to binary : Which of the following is not octal number:
120
Junction diode is a :
121
A register stores :
122
Not gate is known as :
117
Breadth, height and are of the object. Micro computer 1110 7 Constant voltage device
Height, lenght and circumference of the object. Digital computer 10000 15 Unipolar device
A
A byte
One instruction
4 bits data
A
Inverter
Rectifier
B
Various associated program
CPU
Amplifier Central processor input/output devices and backing storage
123
Computer hardware usually refers to :
Hard metallic component of a computer
124
Which of the statement is correct :
NAND gate = Bubbled AND gate
NOR gate =Bubbled OR gate
Bubbled OR gate = NAND gate
AND gate = OR and NOR gate
C
Computer
Converter
Compiler
Translator
C
01011
10101
10100
00101
A
Summaries its output value Is capable of storing binary information indefinitely Magnetic circuit operation
Tabulates all its input conditions
Displays all its input/output possibilities
Is not based on the logic algebra
C
Requires periodic restoration of information
Is volatile
Has destructive read out
A
Transformer operation
Transistor operation
Non magnetic circuit operation
C
Recomplement a signal
Invert an input signal
Act as a universal gate
C
Vacuum tubes
Chips
IC's
B
ROCI Two compensating sector gears
ASI
Cabin altimeter.
C
The restraining springs
The stop spring fitted both sides.
B
' Z' Axis.
C
125 126 127
In high level language, the source program is translated into object program with the help of : When an input electrical signal A=10100 is applied to a NOT gate its output signal is a: Truth table of a logic functions :
128
A static memory is one that
129
Semi conductor memory in computer is based on
130
The only function of a NOT gate is to:
Stop a signal
The first generation computer was introduced with: Pitot pressure is connected to:
Solid state transistors Altimeter
133
Any error in indication of accelerometer along the horizontal axis is cancelled by:
A strong coiled spring
134
The principle of accelerometer is that two masses electrically suspended in parallel about:
Vertical axis
Arthwardship axis
Fore and aft axis
135
The type of damping used in accelerometer type 480/01 is:
Eddy current damping
Low viscosity oil type damping
Air damping
AC only
DC and AC
DC or rectified AC
Calculated spring type of damping AC and pulsating DC
Controlling force
Damping force
Restoring force
Balancing force
Fleming's left hand rule Open end of
Fleming's right hand rule Free end of
131 132
136 137 138 139
Moving coil instrument can be used to measure: The oscillation of the pointer about its final deflected position in a indicating instrument is minimized by: Moving coil instrument works on the principle of: In bourden tube pressure gauge, the indicating
Kirchoff's law Either a) or b)
Generator principle None of the
A
A C B A B
140
mechanism is coupled to the: In bourden tube for measuring very high ranges, the tube is made of:
the tube Phosphor bronze The air gap between pole pieces and former Selsyn system Electromagn etic type
the tube
above
Mild steel
Beralium bronze
A weak small permanent magnet
The variation of current in the moving coil
Desyn system
Data Selsyn system
Two hair springs coiled in opposite direction Two wire Selsyn system.
Induction type
Moving iron type.
Beralium copper.
B
141
In moving coil instrument, the temperature variation is compensated by:
142
In torque measuring system, indicator work on:
143
The ammeter used to measure AC only is:
144
In tachometer indicator, the pointer movement is controlled by:
The drag cup
145
Oscillation of the pointer at lower range of Tacho indicator may be due to:
Defective indicator
Synchronizing point is too low
Two indicators are connected in parallel
146
Tachometer indicator comprises a:
Three phase induction motor
Three phase, self starting synchronous motor
Three phase synchronous motor
Oppose each other
Assist each other
Are in same direction
Do not influence each other
A
Alternating current
Direct current
AC or DC
Fluctuating direct current.
B
Magnesyn transmission system
Variable capacitance system
B
Coil
Weak permanent magnet.
D
Temperature of fuel in the tank
Humidity of air.
B
Control grid
Choke.
B
Emitter and base
Desyn transmitting system A strong permanent magnet Coolant temperature in liquid cooled engine Suppressor grid Emitter and collector
Collector and base
Base and emitter
C
Is reversed
Increases
Decreases
Stops.
D
2% solution of nitrogen
5% solution of alkali and plenty of water.
A
Elevator Tin, Lead
Fin Copper, lead.
C B
soft, plastic, malleable and acid resistant
soft, ductile and malleable.
A
very economical.
B
Cementation process.
D
147 148
In ratio meter type thermometer, the two coils in moving coil unit is so connected that the torque produced by them: Variable capacitance of the tank circuit measures the quantity of fuel in the fuel contents gauge indicator in a form of:
149
The float arm type fuel content gauges work on the principle of:
Selsyn transmission system
150
In float arm type fuel content gauge, the pointer returns to off scale position by:
Hair spring
151
The vapour pressure type thermometer is used for measuring:
The temperature of engine oil
152 153 154
The unwanted screen current in a pentode valve is prevented by: The common base PNP junction transistor has reverse biased arrangement between: When the emitter/ base junction of a transistor is reverse biased, collector current:
Capacitor
Permanent magnet type The permanent magnet
A hair spring
The interaction of the magnetic fields. Indicator not being in synchronism with generator. Single phase, self starting synchronous motor
D B C C
D
B
155
If acid is splashed in eyes, it should be washed with :
5% solution of soda bi carbonate
156 157
Pitching movement of a/c is controlled by: The constituents of Bronze are
Aileron Copper, Zinc
158
The properties of Al are
Light, ductile, soft and malleable
159
A great advantage of the electric furnace is :
Very easy to operate
160
The blister steel is manufactured by ;
Electric process
5% solution of soda bi carbonate and plenty of water Rudder Copper, Tin soft, poor corrosion resistance and brittle absence of gas fume and impurities open hearth process
161
Plastic is an organic material, which shows the property of
Elasticity
Ductility
Malleability
Plasticity
D
98% Iron and 2% carbon
95 % Iron and 2 % carbon
97% Iron and 2 % carbon + 1 % impurities.
A
Soft, ductile and malleable
Soft, plastic, malleable and acid resistant
Malleable and corrosion resistant.
C
Cast Iron
Pig iron
Both (a) and (c.)
A
162
Pig Iron contains an average about:
163
The properties of lead are:
164
One of the purest forms of iron produced is :
94% Iron and 4 % carbon + remainder impurities Soft, brittle and poor corrosion resistant Wrought Iron
no maintenance is required Bessemer process
165
The properties of nickel are
Hard, brittle ad corrosion resistant
166
The carbon contents in the high carbon steel is
0 to 0.25 %
167
Cast iron is manufactured by
168
Chisel are classified by;
169
Hand vice are classified by weight ;
171
Chisel used for cutting the narrow flat bottom grooves is: The file used on soft material is ;
172
Files are classified by
173
Die nut is used for;
174
The drill which is used for cutting the counter sinking holes are
175
Scribers are made of :
176
Sharpening the scribes is done
177
Surface plates are classified by
178
The accuracy of surface plates are tested by
170
Cementation process Shape overall length and width of the cutting edge In ounces Flat chisel Single cut Length, section cut and grade Cutting external thread Peg or Arboring drill High carbon steel hardened and tempered On a grinding stone Type material and size
Hard, ductile, corrosion resistant, withstand high tempt. 0.25 % to 0.75 % crucible process Shape and overall length In grams Cross cut chisel Double cut Type of material and size
Soft, poor corrosion resistant and brittle
soft, ductile, malleable, corrosion resistant.
B
0.75% to 1.5 %
0.75% to 1.25 %.
C
Cupola furnace.
Open-hearth process.
C
Material and size
Type and cutting edge.
A
Of the body.
C
And length of the jaw Diamond point chisel Dreadnought
Half round chisel. Rasp.
B C
Type and overall length
Length section and type.
A
Cutting internal thread
Cutting starting thread
Clearing the damage thread.
D
Bottoming drill
Rose bit drill
Twist drill.
C
High carbon steel
High carbon and alloy steel
Alloy steel hardened and tempered.
A
By smooth file
By dead smooth file
Either by smooth file or dead smooth file.
A
Length and breadth
Type and weight
Type and Size.
B
Vee blocks
Master Surface plate
Fitter's square
Vernier caliper.
B
179
If the zero of the micrometer thimble crosses the datum line
It is to be subtracted from the measuremen t
It is to be added to the measurement
It is to be neglected
It is to be adjusted with the help of concealed nut.
B
180
Play in the spindle threads of micrometer is taken up by
Using a 'c' spanner
Adjusting anvil in the frame
Adjusting a nut at the thimble end of the barrel
D
181
The lubricant used for drilling mild steel and wrought iron is
Kerosene
Soapy water
Adjusting the thimble on the spindle Cutting oil or soapy water solution
None of the above.
B
None
Soapy water
Kerosene
Cutting oil
B
Turps or Kerosene Type and size Internal screw threads
Cutting oil or soapy water Type material and size
None
Water
A
Type size and length
Type and angle of cutting edge
A
External screw threads
Starting threads
Finishing threads
A
182 183
Lubricant used for drilling magnesium and its alloys Lubricant used for drilling High carbon and alloy steels
184
Reamers are classified by ;
185
The taps are used for cutting
186
The tool used to rundown an existing thread that has become burred or damaged, is :
Die plate
Second tap
circular Die
Die nut
D
187
Screw drivers are classified by
Type material and size
Type and length of blades
Width of the tip
Length of the blade
D
188
Spanner are classified by
Type and length
Type material and size
Type and size
C
189
The pliers used for lead bending of wires and lead forming are :
Flat more pliers
Pliers round nose
Pliers combination
B
Type material and size of nut or bolt on which it fits Half round nose pliers
190
The property of resisting breakage when under the application of a pulling force
Tenacity
Fatigue
Hardness
Spinning
A
191
The position on the crord line of an aerofoil at which the resultant force act is:
Laminarised part of the air flow.
Pressurised part of the air flow.
Centre of pressure
Centre of gravity
C
192
At the critical angle of attack, the flow of air from top surface of aerofoil becomes turbulent, which is termed as :
Burbling
Curling
Knurling
Rolling
A
193
In flight the lift of an aerofoil can be altered by:-
Angle of attack only
Speed of an a/c only
Angle of attack and speed of an a/c
Density and pressure of air.
C
Thrust
Weight
Drag
Forward movement
C
AC canopy
Main plane
Tail plane
A
Plus 2 extension characters
No extension characters
Plus 3 extension characters
D
Electronic device Electronic components
Mechanical device Mechnical components
194 195
Lift is obtained at the expense of a certain amount of horizontal force known as:Honey comb construction is often used in the manufacture of
196
MS dos file name is primarily ment for:
197
A computer keyboard is a most common :-
198
199
200
All physical requirements to construct a computer is known as :Before taking a printout of document all the spelling mistakes and the grammatical mistakes have to be carried out MS word provides a helpful feature to carryout this task is called :Booting is the process of loading the operating system into main memory from :-
Flying control surface Plus 5 extension characters In put device
Out put device
A
Software
Hardware
Check
Spell check
Automatic spell check
Correction
C
Volatile memory Non impact printer
Non volatile memory
Main memory
Secondary memory
D
Impact printer
Ink jet printer
Laser printer
B
B
201
Daisy wheel printers is a :-
202
For opening the existing file next time remember :-
File name
Pass word
Document name
none of the above
B
203
Laser printers is a :-
Impact printer
Non impact printers
Drum printer
Line printer
B
Volatile memory
Non volatile memory
Secondary memory
Non of the above
A
Common commands
External commands
Internal commands
Acutal commands
C
01 to 03 characters Files
01 to 08 charaters Programmes
only 05 charaters Sub directory
Unlimited charaters Root directory
Volatile memory
Non volatile memory
Secondary memory
Non of the above
B
File menu
End show
Mouse bottom
View menu
A
Copy CON
Copy
Copy
A
First generation of computers
Third generation of computers
Fourth generation of computers
D
1 inch
1.25 inch
2 inch
2.5 inch
A
Software
Hardware
Soft and Hardware
None of the above
A
10 to 15 minutes
15 to 20 minutes
5 to 10 minutes
20 to 25 minutes
A
Syntex
Format
PROM
EPROM
A
After every initial charge
Once in every three months
Whenever capacity of the battery is suspected to be low
All above
D
204
205 206 207 208 209
Stored data goes off from the computer memory when the power supply is turned off is termed as :The commands that do not require any specific files for being excuted and are brought into the memory as soon as the computer is switched on is termed as :The first name in the file name of Dos can have :The main directory is called :The memories that retain the stored data even when the power to the device is shut off is termed as :To close the presentation file, click on the close option from the :-
210
To create a new file, the command used is :-
211
Very large scale intergation circuits are introduced in :-
212 213 214 215
216
When you open a new document in work, the top and bottom margins are preset at :Which of the following cannot be sensed by our sence organs :You should save your active documents every :The grammer you use while typing a command is called :Capacity test on batteries are carried out:
Copy CON Second generation of Computers
B D
217
218 219
If acid is split in eyes, it should be washed with: In the lead acid type of batteries, the positive plate is made of: Laminated steel core used is for transformers instead of solid iron cores in order to:
220
The core of the transformer is laminated to:
221
Transformer is used in a circuit for:
222 223 224 225
Variation of voltage in a circuit is obtained by fitting a: The wattage of omni light is In relation to amplitude modulation, the disadvantage of frequency and phase modulation is In an alkaline charging room, boric acid solution, first aid outfit, saw dust and boric acid crystals are:
Plenty of cold water
5% solution of soda bicarbonate and plenty of warm water
D
Carbon
Iron oxide
Lead per oxide
D
Reduce eddy currents Reduce eddy current Lowering DC and AC voltage
Produce eddy currents Increase output voltage Raising or lowering DC voltage
Reduce the weight Decrease output voltage Raising or lowering AC voltage
Transformer
Suppressor
Regulator
Rheostat
A
60w
45w
100w
25w
B
very heigh range
very low range
low range
heigh range
C
First aid
Neutralising agents
Neutral agent
First aid agents
B
Boric acid followed by warm water Sqare and round thread.
Boric acid followied by sopy water V and round thread.
Ammonia in diluted solution
Olive oil
Spongy lead Have more supply Increase eddy current Raising DC voltage
B B D
226
When alkali acid has been split on skin or clothing apply:
Boric acid
Boric acid followed by cool water
227
The common form of threads used are ;
V and sqare thread.
BAvthread.
Full section.
Half section.
Partial section.
Revolved section.
B
Longitudinal section.
Lateral section.
Half section.
Cross section.
D
50mm
30mm
45mm
75mm
D
Curved lines
Oblique lines
Vertical&incline d lines
None above
C
H
B
HB
2H
D
Vertical
Horizontal
Accented
Longitudinal
C
Ditto line
Long break line
Perpendicular to dimension line
Close to the object.
Ditto line
Hidden line
Focus line
A
Long break line.
Phantam line.
Locus line.
C
Boundary lines.
Hidden detail.
Centre line.
D
Limited portion of a smaller object.
Boundary line of any object.
Broken line of any object.
A
Dimensions may not beadequate.
C
228 229 230 231 232 233 234 235 236 237
The type of sectional view used when a view is needed showing both the exterior and interior construction of a symmetrical object is; When the cutting plane cuts an object laterally or cross wise it is called In engineering drawing the minium length of pencil stub to be kept as; set sqare are used for drawing the different lines of ; The hidden lines are to be drawn, the grade of pencil used is :In Modern roman letter type elementary strokes are:A line having one long and two short dashes alternately and evenly spaced is:Dimension line should be placed:Free hand and wavy line used for detail and assembly drawing is represented by:In engineering drawing the long dash and dot alternately placed to represent an alternate position or indication of the limiting position of moving parts is known as:-
238
In engineering drawing thin long chain represents:-
239
Short and zig zag line is used to show:-
240
241 242 243
The dimension should not be scaled from blue print because:The title block is located in the drawing sheet at :White lines can be added to a blue print even after printing process i s over by : The category of drawing, where sides will look smaller which are away from the viewer than that which is near is:-
Short break line Horizontal to dimension line. Short break line Indicating line. False and developed view. Limited portion of a larger object. Dimensions are always not be scale.
Dimensions are inconsistant.
Top left hand corner. Ferric salt solution.
Bottom any corner. Potassium terrocynide.
The Paper is subjected to slight shrinking due to washing and drying up. Bottom right hand corner. Ferroprussiate.
Oblique drawing.
Isometric drawing.
Pictorial drawing.
Cutting plane line Out side to feature wherever possible.
Top right hand corner. Strong washing soda solution Perspective drawing.
C A
D D
C D D
The drawing which gives the drawing of a single part which cannot be f urther sub divided is called:Type of drawing shows a number of components in an assembled condition to from a self contained unit is: In engineering drawing, the projection of the top side of the object o n the horizontal plane is called:
Simple drawing.
Assembly drawing.
Detail drawing.
Spot drawing.
C
Detailed drawing.
Assembly drawing.
General arrangement drawing.
Auxiliary drawing.
C
Front elevation.
Plane.
Single plane.
Side elevation.
B
Remote from it in the adjacent view.
Near to it in the adjacent view.
Opposite to it in the adjacent view.
At an angle to it in the adjacent view.
B
First angle projection.
Third angle projection.
Orthographic projection.
General section view.
B
Front elevation.
Horizontal plane.
Ground plane.
Reference.
A
Two Categories.
Four Categories.
Three Categories.
Five categories.
B
Manufacturin g of parts.
Checking of parts.
Dismantling of parts.
Assembling of parts.
A
In third angle orthographic plan view taken from ;
Left on the front elevation.
Right on the front elevation.
Top of the front elevation.
Bottom of the front elevation.
C
253
In four stroke cycle engine the cycle of operation comprises of :-
2 revolution of the crank shaft
1 revolution of the crank shaft
One upward and one down ward movement of the piston
One upward and two down ward movement of the piston
A
254
In turbojet engine the initial ignition is rovided by :-
Sparking plug
Compresion ignition
Hot ignition
Igniter pump
D
255
The compressor's main parts are :-
Compressor, rotor and diffuser
Compressor, diffuser and zet nozzle
Turbine, exhaust pipe and compressor
Compressor, rotor and zet nozzle
A
256
The electric field of the primary coil is mode to collapse to generate high voltage in secondary coil by the help of :-
Choke
Contact breaker
Rectifier
Sealed discharge gap
B
257
The principle of electric starter is to convert the :-
Mechanical energy into electrical energy
Electrical energy into mechanical energy
Magnetic energy into electrical energy
Magnetic energy into mechanical energy
B
258
The purpose of a vent line on the top of a fuel tank is to :-
Over flow the excess fuel
Vent fuel vapour to atmosphere
REduce the fire risk
259
Altimeter works on the principle of :-
Thermocouple
Aneroid
260
At high altitude pilot is provided with oxygen to avoid :-
Blood pooling and frost bite
Loss of judgement and forst bite
Loss of vision and blood pooling
C
261
Jet pipe temperature gauge is a :-
Moving coil volt meter
Ohm meter
Power meter
A
Dynamic pressure
Difference between pitot and static pressure
Bowden tube principle
C
Velocity of gas
All above
B
Ensure setting of sediments
Prevent water contamination
D
244 245 246
247
248
249 250 251 252
262
263 264
The chief characteristic of third angle projection is that each view i s so placed that it represents the side of the object: The projection consists of plan and side view, but arranged in such a way that each view is drawn to represent that nearside of adjacent vie w is: In orhtographic drawing, the object is imagined to be placed in front of a vertical plane known as: Orthographic projection are classified in number of categories accordi ng to the object placed in the four quadrants are : To read workshop drawing of a mechine parts means to make cut the sequ ence of operation in process of;
Moving coil milivolt meter Loss of judgement and giddiness Moving coil milivolt meter
The air speed indicator works on :-
Static pressure
The induced EMF in exhauset gas temperature gauge depends upon :-
Material of thermocoupl e
Aircraft fuel tanks are not normally left empty or partially empty ove r night This is to :-
Ensure long life of the
Difference between hot junction and cold junction temperature Avoid gum formation
Vent fuel vapour and maintain differential atmospheric pressure Dynamic pressure
D
C
tank 265
Aircraft must not be left overnight with partially empty tanks because rapid condensation is liable to take place in :For aeroengine ground run a suitable fire extingusher to be positioned is :The aircraft should be towed on soft ground by :The towing apparatus used in conjuction with a towing vehicle for pull ig light aircraft forward is :What is the operatus to be used for aircraft with tail wheel for towin g forward on soft or uneven ground :While marshalling arms repeatedly moved upward, back ward, back on-ing on ward will indicate :-
Reservoir
Refuellers
Fuel tanks
Fuel rankers
C
CTC
CO2
Methyl Bromide
Foam type
B
Towing arm
Towing frame
Towing bridle
Steering arm
C
Towing frame
Towing bridle
Towing bridle aof wire cable
Lightly manufactured towing arm
A
Towing bridle and steering arm
Towing arm or bar
Towing bridle of wire cable
Towing frame
C
Stright ahead
Stright backward
Slow down engine
Chocks away
A
A ladder mounted on wheels with a working platform adjustable for high t is :-
Swing back ladder
Special elevating ladder
Shelt ladder
Swing ack flat ladder
B
272
Damage to the hyd system of pillar hyd jack is prevented by providing :-
Small over flow holes at the upper end of pressure cylinder
Small over flow holes at the lower end of pressure cylinder
Cut out valve
Vent valve
A
273
For dealing with small gasolene, oil or kerosene fire the fire extingu sher used is :-
CO2
Soda acid
CTC
Pyrene fire extingusher
D
274
For servicing large aircraft the servicing ladder used is :-
Shell ladder
Swing back ladder
Swing back flat ladder
B
Proceed under guidance to next marshaller
Slow down port engine/stbd engine
C
266 267 268 269 270 271
275 276
277
278 279 280
281
In aircraft marshalling signals, if right or left arm down, other arm moved accross body and entended will indicate :Marshalling signals of arms down palm facing out wards swing arms from extended postion out wards wil indicate :-
Turn which backing tail to port/stbd
Special elevating ladder All clear marshalling finished
Chocks away
Insert chocks
Slow down engine
Stop engine
A
On of the main advantages of CO2 as an enxtinguishing agent is :-
Its rapidity of discharge
It prevent burning and makes to starve fire
Being inert gas it effectively blankets a fire
It cuts of the oxygen
C
BRDs
Appropriate Equipment depot
Civil agency
Manufacturer agency
B
CTC
CO2 type
Methyl bromide
Foam
B
Winch down
Winch UP
Hover
Release load
D
Methyl bromide
CO2
CTC
Foam
B
Code rate timer
Cathode ray tube
Clutter reduction technique
Call relay timer
B
Peak repetition period step index fibre Ground equipment cockpit
Pulse repetition period Mono index fibre
Pulse receiving power
Peak receiving power
B
Single index fibre
C
Test equipment
C
ATC
Graded index fibre Air-borne device CUR
Black-box
D
two
three
four
five
B
Light amplification by stimulated emission of
Light amplification by simulated emission of
Light amplification by stimulated emmission of
Light amplification by simulated emission of
A
On receipt of AOG demand the senior logistic officer is to ensure for identifications tally with standard publication and signals to be send to :Prior to starting of aero engines the suitable type of fire enxtinguis her to be positioned is :Signalling by left arm extended forward horizontally cleanched right h and making horizontal slicing movement below the left palm, downward i s for :The fire extinguisher which is designed primarily to extinguish aircra ft engine starting up fire is :-
282
CRT stands for:
283
PRP stands for:
284
The light rays flows in sinusoidal path in:
285
Black box is a:
286
Digital flight data recorder is located in The number of satellites to cover the whole earth by INTELSAT is: Laser stand for:
287 288
Trans-receiver
289
The otto cycle consists of
290
Radius gauges are used to check the:
291 292 293 294 295
A metric micrometer having a plus error of 0.01 mm, when set to 8 5mm on barrel scale and 31 divisions on thimble scale, the actual measurem ent will be : The lenght of the vernier scale of a metric vernier caliper 24/25 syst em is: DTI (metric system) is designed to read a range of: In bevel protractory one vernier scale division is equal to: In screw pitch gauge (or profile gauge) the number of teeth per teeth per inch is marked on:
296
Limit gauges are used to determine:
297
The angle between the cutting edge and axis of the drill is called:
298
For enlarging the size of hole and bushes,the reamer used is ;
299
Prior to drilling hole,to locate drill center punching is done by a ce nter punch having angkle of;
300
Electro magnetic crack detection is applid to;
301 302
While using ultrasonic flowdector air gap between the probe and the su rface under tests eliminated by; In the order of corrodibility the least corrodable metal is;
radiation Two constant volume line and two adiabatic Out side circumrence of a component.
radiation Two constant volume line and a adiabatic line Inside circumference of a component.
radiowaves
electric radiation
One constant volume line and Two adiabatic
Two constant volume line only
A
Inside radius of a component.
Inside or outside radius of a component.
D
8.8 mm
8.81 mm
8.79 mm
11.59mm
A
0.5 mm
1 mm
12 mm
49 mm
C
1 mm left or right
0.5 mm clockwise
0.5 mm counterclockwis e
0.5 mm clockwise and 0.5 mm anticlockwise
D
5 minutes.
15 minutes.
55 minutes.
115 minutes.
A
Tip of first blade
Body
Tips of last blade
Each blade
D
High limit dimension
Low limit dimension
Internal and external dimension
Internal dimension within specified limit
D
Web angle
Flute angle
Cutting angle
D
Shell reamer.
Hand taper reamers.
Hand parallel reamers.
B
90 degree
60 degree
120 degree
B
Fabric screen.
Lead screen.
Wooden screen.
C
Use of rubber boots.
Applying oil.
Clamping the probe tightly.
C
Chromium
Nickle.
Alluminium.
Erass.
A
Not susceptable to corrosion,ht.
Susceptable to surface.
susceptable to corrosion due to galvanic action.
A
Half round.
Three square.
Square.
B
Sharpened by using a file to avoid over heating.
Discard the scriber and chage with a new one.
B
Pig iron. Towards your right.
High carbon. Towards your left.
A
Bent end of the scriber.
Marker piece.
Dowels.
D
High carbon steel hardened and tempered.
Medium carbon steel case hardened.
Plain carbon steel annealed and normalised.
B
Vanadium (blade) and mild steel (stock).
Spring steel and cast iron.
B
Inside callipers.
common callipers.
C
Clearence angle Hand expanding reamer. 45 degree All types of metals. Use of rubber padding
303
Light alloys and stainless steel are;
Susceptable to intercrystalin e corrosion.
304
To file concave surface and elongating circular opening, the standard section of file used is;
Round.
305
If the point of a scriber is blunt it is to be;
306
Surface plates are made from; While using scribing the bent end of scribed should point; While using scribing block lines can be scribed paralled to the edge o f the table with the help of;
307 308
309
Key seat rule is made of;
Cast iron.
Sharpenedon grindingwheel butdippedinto watertimetotim etoprotect itstemper. Wrought iron.
Upwards.
Downwards.
Sharpened on oil stone.
Straight end of the scriber. Low carbon steel hardened and tempered.
310
Fitters square is made of;
Medium carbon steel hardened.
311
The legs of the callipers are curved outwards at the extrimities is kn ow as;
Jenny callipers.
High carbon steel hardened and tempered. Out side callipers.
B
312
Spanners used in restricted spaces is;
Splined tube spanner.
Peg spanner.
crow foot spanner.
Terry set.
C
313
A metric micrometer having minus error 0.02mm when set to 7 5mm on bar rel scale and 13 divisions on thimble scale ,the actual measurement will be;
7.61mm.
7.63mm.
7.65.
7.67mm
C
314
If the spindle of micrometer is worn out ,the errour shown by the micr ometer should by ;
Subtraced from the reading.
Added to the reading.
Ignored.
micrometer is not to be used.
D
25.04mm.
27mm
24.96mm
2.00mm
D
265mm.
285mm.
235mm.
325mm.
D
50 mm to 100 mm.
50 mm to 65 mm.
60 mm to 75 mm.
50 mm to 75mm.
D
Toughness
Hardness
Fatigue
Brittlennes
C
Elasticity
Conductivity
Ductility
Tenacity
A
Elasticity
Tenacity
Resilience
Resistivity
C
Tenacity
Malleability
Softness
Plasicity
B
Hardness
Brittleness.
Toughness.
fatigue.
C
Strength
Toughness
Ductility
Stiffness
D
Conductivity
Creep
Plasticity
Tenacity
C
Allowance.
Clearance.
Tolerance.
Variation.
C
Driving fit.
Running fit.
Push fit.
Force fit.
B
Force.
Interference.
Transition.
Clearance.
C
Feather key.
Flat saddle key.
Woodruff key.
Gib headed key.
D
Blue
Green anodic
Yellow lacquor
A
Washed face machined on both face of a nut.
Letter 'L'stamped on one side
Letter 'AA' stamed on one side
B
PBL
BPL
LPB
BLP
A
A small component can be removed. Mixture of methylated of fruit and french chalk. Bright lines or patches of light . Weight and number stamped on the side. Dead smooth.
A big component can be removed.
A small component can not be removed. Mix of kerosene and lubricating oil with french chalk. Thin black lines or bright patches. Type and weight of the head in grammes. Bastard.
A big component can not be removed.
A
315 316 317 318 319 320 321 322 323 324 325 326 327 328 329
In external metricmeter of 25-50mm size, if the thimble is rotated for four complete turns from 'o'the reading will be; The minimum measurement that can be taken with collar with the largest extension rod of an internal metric micrometer is; The smallmest size of extension rod avilable in a set of 50mm to 300mm metricinternal micrometer is; Diminishing resistance to fracture caused by fluctuating stresses is t ermed as; The capacity of a material to return to its original diensions on the removal of distorting forces :The capacity of material to observe the energy in electrical range is called The property of being permanently extended or flattened by hammering r olling or pressing without rupture is known as :The property of resisting breakage when subjected to bending sudden bl ow or twist is termed as; The resistance offered by material for deformation at the elastic state is The slow and progressive deformation of material over a period of time under a constant stress and elevator temperature is called A permissible range of dimensions of finished components provided to c overnunavoidable inaccuracies in manufacture is: The class of fit suitable for various type of moving parts is: Type of fit suitable for detachable or locating parts is: The key fits into a key-way in the shaft and will transmit high power is: Colour of small stainless steel bult which has no recognised standard marking is:
330
Aluminium alloy nuts are identified by:
331
To identify a brass nut of 9/16 inch BSF, left hand thread the code le tter marked on the face of the nut is;
332
The hot fluid chalk method is used where;
333
What is the mixture used in cold fluid chalk test method of crak detec tion:
334
The flourescent solution remaining in the flows or cracks will reveal clearly as;
335
Hammers are classified by its ;
336
A common grade file used for ordinary engineering work where finish is not important
Brown lacquer Washed face machined on one face of a nut
Lubricating oil and french chalk. Dull red in colour with broken lines. Type and weight of the head in ounces. Second cut.
Mix of trichlorethylene and lubricating oil with french. Thin red lines with bright patches.
A
A
Number stamped on the side of the head.
B
Rough.
C
is; 337 338 339 340 341 342 343 344
The length of file is measured between; To induce toughness to a new file process used is; The property of resisting breakage when under the application of pulling force is known as A plain carbon ateel with carbon content of 0 67% is; Eliments added to steel to get greater strength,toughness and resistan e to fatigue is; Property induced by adding 3% of chromium to alloy steel is; The element added with steel to get the great strength,greater resista nce to fatigue is 'Y' alloy is used for making;
Shoulder to the tip of blade.
Full length.
Shoulder and tang end.
Teeth cut portion end to end.
A
Pickling.
Pinning.
breaking in.
Draw filing.
C
Elasticity
Tenacity
Ductility
Conductivity
B
Low carbon steel .
Medium carbon steel
Blister steel
high carbon steel
D
Chromium
nickel
Tungsten.
Molybdenum.
B
Strength
Toughness
Hardness
Hardness at high temperature.
C
Cobalt
Tungsten.
chromium.
Vanadium.
D
Air craft structural parts.
Piston and cylinder heads.
Stressed skin of aircraft.
Rivts.
B
allow the use of practical antennas
345
Indicate the false statement Modulation is used to
reduce the bandwidth
separate differing transmissions
ensure that intelligence may be transmitted over long distance
346
The modulation index of an AM wave is changed from 0 to 1 The transmitted power is:-
Unchanged
Halved
Doubled
Increased by 50%
347
In communication system noise is most likely to affect the signal
At the transmitter
In the information source
In the channel
At the destination
In a broadcast Superheterodyne receiver, the
local oscillator operates below the signal frequency
Mixer input must be tuned to the signal frequency
Local oscillator frequency is normally double the IF
RF amplifier normally works at 455 KHz above the carrier frequency
Third Method
Balanced Modulator
348
349 350
One of the following cannot be used to remove the unwanted sideband in SSB This is the :To secure maximum strength and hardness to duralumin which have been a nnealed must be;
Filter system Age hardened. Prior to bending or flaring.
Phase shift method solution treated. After bending or flaring.
Precipitation treated Prior and after bending or flaring.
Anodised.
B
only on rebending or flaring.
c
351
Duralmin tubing should be solution treated;
352
What type of heat treatment is given to brass;
Hardening.
Case hardening.
Annealing.
Blueing.
C
353
When alumium alloy is quenched from high temperature the excess copper comes out of solution This is known as;
Decoppering.
Annealing.
Evaporation.
Precipitation
D
354
Advantage of case hardening by nitriding process is;
Retention of hardness at low temperature. open hearth process.
Retention of hardness at high temperature.
The depth of hardened case may be 0.08"
It is easy and cheap.
B
Box
Nitriding.
cyanids.
C
Sheer stress.
Tensile strain.
permanent set.
Tensile stress.
C
355 356
Which of the following process does not require quenching after case h ardening; If a body is stressed beyond it elastic limt, the strain thus produced will not retreat completely on removal of force This residual or rema ining strain is called;
357
Electro-magnetic crack detection method is suitable for the components made of ;
Magnesium alloy.
nickle chromium.
ferrous metal and can be magnetised.
Non ferrous metals;
C
358
Non distructive tests of crack detection are preferred because they;
Are cheaper and faster.
Can be used easily.
Do not damage the component.
Can be used at any part of the component.
D
Reveal as violet lines or patches under ultra
Show bright lines or patches under ultra violet
reveal bluish lines or patches under ultra violetrays.
Show thin black lines or patches under ultra vilot rays.
359 360
The flourescent solution remaining in the flows or cracks will reveal clearly as; When testing a component for crack detection by flourescent dye penetr ant method,the flows will;
B
361 362 363 364 365 366 367 368 369 370 371 372 373 374
violet rays.
rays.
Metal screen
Fabric screen.
Lead screen.
Wooden screen.
C
Thrust
Weight
Drag
Forward movement
C
Burbling
Curling
Knurling
Rolling
D
Stagnation point
Transition point
Critical point
Separation point
B
Profile drag
Wing drag
Induced drag
Interference drag
C
If the aspect ratio of wing is higher, the effect of it will:
Increase the induced drag
Decrease the induced drag
If the aspect ratio is higher, the induced drag is: Lift is obtained at the expense of a certain amount of horizontal forc is known as:
Higher
Lower
Keep the aircraft stable while landing Constant
Thrust
Weight
Drag
Plan form of the wing
Shape of fuselage
Design of the tail plane
Keep the aircraft stable while taking off Increased Forward movement Type of control surfaces
Stagnation point
Transition point
Critical point
Separation point
halved
quadrupled
doubled
unchanged
Solar noise
Cosmic noise
Linear devices
Harmonic devices
Atmospheric noise Class C amplifier
50
150
100
66.6
Input noise voltage
Noise temperature
Equivalent noise temperature
Noise figure
0.5
0.7
The total number of sidebands depends on the modulation index
The carrier frequency cannot disappear
While performance x ray crack detection the operations are protected f rom stray radiation by; Lift is obtained at the expense of a certain amount of horizontal forc is known as: At the critical angle of attack, the flow of air from top surface of aerofoil becomes turbulent which is termed as The point on the main plane at which the boundary layer changes from laminar flow to the turbulent flow is Drag which varies inversely to the square of the indicated air speed i
The principal factor affecting induced drag is: The point on the main plane at which the boundary layer changes from laminar flow to turbulent flow is: The value of a resistor creating thermal noise is doubled The noise power generated is therefore :Indicate the noise whose source is in the category different from that of the other three In a low level AM system amplifier is following the modulated stage must be If the carrier of a 100% modulated AM wave is suppressed the percentage power saving will be
Galactic noise Non linear devices
375
One of the following is not a useful quantity for comparing the noise performance
376
A carrier is simultaneously modulated by the two Sine waves with the modulation indices of 0 3 and 0 4; the total modulation index is
1
377
In the spectrum of frequency modulated wave
The carrier frequency disappears when the modulation index is large
378
A pre-emphasis circuit provides extra noise immunity by
boosting the bass frequencies
amplifying the higher audio frequencies
pre-amplifying the shole audio band
379
Indicate which one of the following is not an advantage of FM over AM
better noise immunity is provided
the transmitted power is more useful
380
Indicate the false statement regarding the advantage of SSB over double sideband, full carrier AM
More channel space is available
lower bandwidth is required Transmitter circuit must be more stable, giving better reception
The signal is more noise resistant
Much less power is required for the same signal strength
381
The most commonly used filters in SSB generation are
Mechanical
RC
LC
Low-pass
an increase in the signal strength produces more AGC To help the
the audio stage gain is normally controlled by the AGC To permit
the faster the AGC time constant, the more accurate the output Because
382
In a radio receiver with simple AGC
383
The local oscillator of a broadcast receiver is
cannot be calculated unless the phase relation s are known The amplitude of any sideband depends on the modulation index
converting the phase modulation to FM less modulating power is required
the highest the AGC voltage is produced between stations To allow
B B C A B
easier tracking
otherwise an intermediate frequency could not be produced
adequate frequency coverage without switching
If the intermediate frequency is very high (indicate the false statement)
Image frequency rejection is very good
The local oscillator need not be extremely stable
The selectivity will be poor
Tracking will be improved
385
One of the following cannot be used to demodulate SSB
product detector
diode balanced modulator
bipolar transistor balanced modulator
complete phase shift generator
386
Distance near The skip distance should be used for sky wave propagation
to avoid tilting
to prevent sky-wave and upper ray interference
to avoid the faraday effect
so as not to exceed the critical frequency
387
Frequencies in the UHF range propagate by means of
Ground waves
Sky waves
Surface waves
Space waves
388
The ground wave eventually disappears, as one moves away from the transmitter, because of
interference from
loss of line of sight conditions
389
To provide two or more voice circuits with the same carrier, it is necessary to use
ISB
Carrier
In EM waves polarization is
caused by reflection
is due to the transverse nature of the waves
The emitter of a transistor is doped
to a lesser extent than collector
depends upon specification
heavily
so that most of emitter injected electron ea go to the base of transistor.
Basic drawback with base bias circuit is
the base and collecter power supplies are same.
base and collecter resistors are returned to collector supply.
it cannot be used in switching circuits.
Beta dc varies with current and temperature.
393
In the collector feedback bias
the Beta dc generally varies.
the base resistor is grounded
the base resistor is returned to the collector than to power supply.
difficult to set a stable Q-point.
394
Amplification factor for triode is given by
= rp/gm
= gm.rp
= gm/rp+gm
None of the above.
395
The transistor used in power amplifier have
large current ratings
large voltage ratings
Always equal
Out of phase
101010 3 full adders and one half ader Astable Multivibrator
110110
tuned to the frequency higher than the incoming frequency
image frequency rejection
384
390
391
392
396 397
The input and output signals of a CE amplifier are (0 85) in binary is
398
A 1’s complement 4 bit paralles bibary subtractor requires ;
399
A Flip Flop is a
400 401
In a Transistor if the base resistance is shorted it will be : The transistor of Class B push pull Amplifiers are biased at :
maximum single hop distance limitation SSB with pitot carrier results from longitudinal nature of the waves
large power dissipating capacity Always negative 011111
4 full adders
4 full subtractors
Bistable Multivibrator
Monostable Multivibrator
Saturated
Cut off
Destroyed
Cut off
Center of DC load line
Saturation
402
The varactor is usually
F Biased
R Biased
Unbiased
403
For nomal operation of the transistor the collector diode has tobe
FB
RB
Non conducting
1V
2V
5V
404
If an amitter follower has V CEQ = 5V, ICQ = mA and re = 1 K the maximum peak to peak
tilting Lincompex is always vertical in an isotropic medium
neither of these characteristics In phase 111100 3 full subtractors and one half subtractors None of the above None of the above Biasing is fixed by manufacturer In the breakdown region Operating in breakdown region 10V
405 406 407 408 409 410 411 412 413 414 415 416 417 418 419 420
unclipped output is The common grade of files used to give good finish quickly and has about 40 teeth per inch is called:Drills are classified by :The material used to make precision instrument is known as :The term " Hand brace" is associated with:The property whereby a metal can be drawn out into a wire without cracking is known as :These tools are used for gripping or cutting purpose :The metal which is having the properties of soft, plastic, malleable and acid resistant is : It is a process of shaping of metals by pressure or by hammer in a die of required shape is called:The process by which a new file is first used on soft metal is called :In metric system Hacksaw blade length is measured from :The range of Micro-Meter is :To find out the appropriate center of round bar, the clipper used is :In lead acid battery( charged state ) electrolyte used is In Ni-Cd battery( charged state ), positive plate used is In lead acid battery( discharged state ), negative plate used is In lead acid battery( charged state ) negative plate used is
Rough
Bastard
Second cut
Smooth
Type, cut, width & blade
Length, type and material
Size , length and cut
INVAR steel
Cast Iron
Filing
Screwing
High Carbon steel Tinning
Fusibility
Plasticity
Ductility
Tenacity
Ring Spanners
Lead Hammers
Pliers
Dies
Zinc
Lead
Aluminum
Copper
Stamping
Forging
Stretching
Swaging
Breaking in
Pickling
Safe edge
Pinning
Type, material and size Stainless steel Drilling
Centre to centre 35mm Even leg clipper Dilute H2SO4
45mm
Centre to handle 25mm
utside clipper
Inside clipper
Odd leg clipper
Concentrated sulphuric acid
KOH
Unaffected
PbO2
PbSO4
Ni2O2
Cd
PbO2
PbSO4
Ni(OH)2
Cd(OH)2
PbO2
PbSO4
Ni(OH)2
Cd(OH)2
Edge to edge
centre to edge 15mm
421
(0 85) in binary is
101010
110110
011111
None of the above
422
In any group If 1’s are completely overlapped by other grouping, the group is called ;
Overlap
Irredundant
Redundant and should be eliminated
None of the above
423
A 1’s complement 4 bit parallel binary subtractor requires;
4 full adders
4 full subtractors
424
A Flip Flop is a
Bistable Multivibrator
Monostable Multivibrator
Saturated
Cut off
Destroyed
Brown
Black
Gray
3 full subtractors and one half subtractors None of the above None of the above Reddish brown
Stamping
Forging
spinning
drawing
Nickel
chromium
Zinc
Cadmium
0.01 mm
0.02 mm (c) The inside and outside radius of the component.
1 mm
(c) Pickling.
(d) Breaking in.
(c) Cutting at faster rate.
(d) Fitted too light.
425 426 427 428 429
In a Transistor if the base resistance is shorted it will be : The colour of corrosion on steel is The process of shaping hot metals by means of hammer and presses in Aircraft parts like oleo legs and ball bearing are plated with The least count of matric vernier caliper is
3 full adders and one half adder Astable Multivibrator
430
The purpose of standard wire gauge is to measure :-
431
The process of using a new file first on soft metal is called :-
0.001 " (a) The clearance between two surfaces. (a) Draw filing.
432
Hacksaw blade may loose its correct temper if it is :-
(a) Loosely fitted.
To safe guard the finished surface of job against damage by the teeth of the vice jaws, clamps used are of :The plier suitable for holding screw heads and nuts :Material used for insulation between commutator segment is :-
(a) Copper, steel and magnesium.
(b) used with more pressure. (b) Copper, lead and aluminium.
(a) Bernard.
(b) Hellerman.
(c) Flat nose.
(a) Micanite.
(b) Paxolin.
(c) Mica.
(d) Ebonite.
(a) 0.75% to 1.5%.
(b) 0.25% to 0.75%.
(c) 0.25% to 1.5%.
(d) Upto 0.25%.
433 434 435 436
Low carbon steel is having carbon content of :-
(b) The size of wires and sheets. (b) Pinning.
(c) copper, iron and aluminium.
(d) Slot widths and caliper settings.
(d) Silver foil, lead and aluminium. (d) Slip joint plier.
437
The capacity of an organic material to get deform or change the shape under heat and pressure is :While soldering LDRs and thermisters the temperature should not exceed above
(a) Elasticity.
(b) Resilience.
(c) Plasticity.
(d) Extrusion.
(b) 250 deg C.
(c) 200 deg C.
(d) 150 deg C.
(b) Replaced.
(c) Covered with enamel paint.
(d) Given anodic treatement.
Geneva file
Rasp file
Swiss file
A
Bigger rods
B
Pierce design work in thin metals
D
439
If inter-crystalline corrosion is detected on aircraft part, it should be :-
440
Files, thin bladed of fine grade made out of special steel, hardened and tempered are:
(a) 350 deg C. (a) Electroplated . Equalizing file
441
Pin vice is used for holding:
Square jobs
Small rods
442
Needle files are used for:
Making hole in the needle
Filing in odd places
443
Wardling files are used for:
444
Fine point pliers are used for:
438
445 446 447 448
Bolley set screw drivers are usually available in: The metal having crystalline structure, becomes very hard when chilled :In a twist drill the narrow strips along the cutting edge of the blutes is known as :One complete turn of the thimble of the micrometer gives a travel of :-
Filing the electrical contacts Removal of parts from restricted place 8 different sizes (a) Pig iron.
D
4 different sizes
5 different sizes
C
(c) Steel.
(d) Cast iron.
3 different sizes (b) Wrought iron.
(d) 0.1 mm.
(b) The distance between the legs.
(c) The perimeter of the arcs and circles.
(d) the length of the legs.
Rearranging
Eliminating
Oration
A
Blaise Pascal
Dore Fiet
C
General purpose computer
Digital computer
A
Digital computer
Analog computer
A
To perform variety of a operation
To solve navigational problem
A
'O' as output of all flip flop
A
First type of adding machine was invented by:-
John Napier
452
Hybrid computer is a :
Special purpose computer
453
Name the computer which doesn't compute directly with the number:
454
Digital computer is used for :
455
Flip flops are clocked to achieve :
456 457
The number 17 octal is equivalent to binary : Which of the following is not octal number:
458
Junction diode is a :
459
A register stores:
460 461
To feed fresh program in the memory, use: Not gate is known as:
In high level language, the source program is
Holding delicate parts
(c) 0.5 mm.
451
465
Holding small rods and pins
(b) 0.1 cm.
De bugging
Which of the statement is correct:
Watch spring
(a) 0.5 cm.
Process of eliminating errors in computer program is known as:-
464
C
(d) Axis.
450
The JK Flip flop out put changes with each trigger when:
For curved surface
(c) Body.
Dividers are classified by :-
463
Making key and key ways
(b) Lands.
449
Computer hardware usually refers to:
Pierced design work
(a) Shank.
(a) The materials of the legs.
462
Bigger jobsBigger rods Pierce design work in thick metals
Mini computer Business and engineering calculation Synchronizat ion 111 19 Bipolar device One word of data New Converter
Charles Babbage Combination of analog and digital computer Micro computer To solve specific Programme Optimization 1110 7 Constant voltage device
More propagations time 10000 15 Unipolar device
1111 101 Constant current device
D A A
A byte
One instruction
4 bits data
A
List Inverter
Write fresh Rectifier
A B
Hard metallic component of a computer
Various associated program
CPU
Both J and K are zero NAND gate = Bubbled AND gate Computer
J is zero k is one NOR gate =Bubbled OR gate Converter
K is Zero and J is one Bubbled OR gate = NAND gate Compiler
Print Amplifier Central processor input/output devices and backing storage J and K are both on
A
D
AND gate = OR and NOR gate
C
Translator
C
466 467
translated into object program with the help of When an input electrical signal A=10100 is applied to a NOT gate its output signal is a Truth table of a logic functions:
468
A static memory is one that
469
Semi conductor memory in computer is based on
01011
10101
10100
00101
C
Summaries its output value Is capable of storing binary information indefinitely Magnetic circuit operation Can add half the bits in a binary number
Tabulates all its input conditions
Displays all its input/output possibilities
Is not based on the logic algebra
C
Requires periodic restoration of information
Is volatile
Has destructive read out
A
Transformer operation
Transistor operation
Non magnetic circuit operation
C
Works for half time only
Performs addition in two halves
Can not accept a carry from previous additions
D
Invert an input signal
Act as a universal gate
C
Sum=0,carry=0
Sum =0,carry=1
D
Two half adders and one OR gate
Two half adders and one AND gate
Two NAND gates
B
Magnetic disc memory
Magnetic memory
Bi polar memory
B
Vacuum tubes
Chips
IC's
B
1950
1958
Early 60
Late 70
C
470
Half adder is called so because it :
471
The only function of a NOT gate is to:
Stop a signal
472
In a half adder when the input signal A=1 and B=1 the:
473
A full adder consists of:
Sum =1,carry=0 Two half adders cascaded together Dynamic memory Solid state transistors
474 475 476
The type of memory, which provides very large storage capability with The first generation computer was introduced with: Second generation of computer started with the introduction of transis
Recomplement a signal Sum =1, carry =1
477
John Napier invented
First type adding machine
Computograp h
Logarithmic table
Complex computer
C
478
The input devices handles the flow of information to the computer
Prior to the execution of the program
At the time of the execution of program
After the execution of the program
When ever the floe of information are required
A
479
Control unit process the data using:
Input and out put unit
AL
Only input unit
B
480
2's complement of 1000 is: Binary equivalent of decimal number 26 base 10 is: The decimal equivalent of binary 101.11 base 2 is:
1000 10110 base 2
001
ALU with the help of memory unit 1110
0111
A
11010 base 2
10111base 2
11001 base 2
B
5.75
6.75
3.5
9.75
A
In computer the data are processed by :
Memory unit
Control unit
Out put section
C
The instruction written in binary form is known as : A Programme in any language above machine language is called: A binary number that is equivalent to octal number 61 is
High level language A source program 111000 base 2 Cobol, FORTRAN. Lisp and basic 1000110 base 2 1100.01 base 2
Computer language Derived program
Machine language
D
System program
A
11000 base 2
110110 base 2
C
Cobol, lisp, word processor and multi plan
C
1010100 base 2
A
1010.01 base 2
1100.1 base 2
D
481 482 483 484 485 486 487
General purpose high-level language is:
488
When 10111 base 2 is added to 101111 base 2 the result is
489
The binary equivalent of 12.5 base 10 is
490 491 492
The process in which heat is transmitted from one point to the other If the dry bulb and wet bulb temperature are known, the parameter can The process in which the heat is transferred from one place to other
Arithmetic logic unit Symbolic language An object program 101010 base 2 D8 base Multiplan, pli and ALGOL 1001001 base 2 1100.001 base 2
FORTRAN, basic, pli ,ALGOL and d base 1100100 base 2
Conduction
Convection
Radiation
Evaporation
A
Dew point of the air
Relative humidity
Grains of moisture
Dry bulb temperature
B
Conduction
Convection
Radiation
Evaporation
C
493
Transfer of heat from one point to another is carried out by:
Conduction, convection and radiation
Transformatio n
Boiling and heating
None of the above
A
494
The process in which heat is transmitted from one place to another pl
Conduction
Convection
Radiation
Evaporation
B
495
T' Square is used for:
Drawing vertical line
Drawing curved line
Drawing semi circular line
A
496
The Acronym 'CAD' in engineering drawing represents:
Computer aided drafting
Computer aided design
Computer aided dimensioning
C
Black
Blue
Brown
White
D
Force fit
Driving fit
Push fit
Running fit
C
Stoning.
Lapping
Bonding
Screening
Lapping and grinding Weather proofing
Stoning and lapping. Switching off the aircraft battery
10 ft.
200 ft.
100 ft.
50 ft
C
Out fit
Correct fit
Refit
Fit
C
Foam extinguisher
Pyrene extinguisher
D
Experience Weather proofing caps
497 498 499 500 501 502
Colour of paper usually used in Engineering Drawing is: A new bush of correct dimension of correct hole to be fixed in the plate while re cond If the pivot is deeply pitted, do only: During refueling the danger of sparking due to static electricity is avoided by: During refueling or defuelling of an aircraft, there should not be any naked flame or The correct replacement of an item, which has previously been removed, is termed as:
Drawing horizontal line Computer aided drawing
Normal extinguisher
Water methanol extinguisher Skill Cotton tape, rubber tape
D A
503
The fire extinguisher for electric fire is:
504
Workman errors are caused due to lack of: The weather proofing material used for push switches and terminal lugs are:
Knowledge
The disturbance set up by the radio interference originates as radiation of
High tension discharge
High frequency AC
Sparking at contacts
When under carriage is in the locked UP position, the indication is : The 200 Hrs servicing comes under :
All red lights are ON Minor star the same as or greater than the applied voltage
All lights are OFF Intermediate at least 50 percent greater than the applied voltage
All green lights are ON Major
All the above Washers and gaskets Electromagnet waves at radio frequencies All green lights starts flashing Minor
1.41 times the applied voltage
707 times the applied voltage
B
inductive
impedence
reluctance
inductive reactance
D
Inductance and frequency
Capacitance and voltage
Resistance and voltage
resistance and capacitive reactance.
A
In an alternating current circuit the effective voltage
is equal to the maximum instantaneou s voltage
is greater than or less than the maximum instantaneous voltage
may be greater than or less than the maximum instantaneous voltage
is less than the maximum instantaneous voltage
D
The amount of electricity a capacitor can store is directly proportional to
the distance between the plates and inversely proportional to the plate area
the plate area and is not affected by the distance between the plates
the plate area and inversely proportional to the distance between the plates
the distance between the plates and is not affected by the plat area
C
A
505 506 507 508 509
510 511
512
513
514 515
The working voltage of a capacitor to which a.c. or pulsating d.c. is applied should be If a circuit contains 10 ohms of resistance, 20 ohms of inductive reactance, and 30 ohms of capacitive reactance, it is said to be An increase in which of the following factors will cause an increase in the inductive reactance of a circuit?
A transformer with a step-up rate of 0 to 1 has a primary voltage of 24 volts and a secondary amperage of 0.20 ampere. What is the primary amperage (. . . Losses)? What is the capacitive reactance in ohms of the parallel a.c. circuit in Fig. 1?
516
What is the phase relationship between the current and voltage in an inductive circuit?
517 518
Current flow is measured in terms of which of these following will required most
PVC conduit
D C D B A
1 ampere
4.8 amperes
0.40 ampere
cannot be determined from the information given
5
20
10
15
A
the current lags the voltage by 0 degree amperes A 12 volt
The current lags the voltage by 90 degree volts four 30 watt
the current leads the voltage by 90 degree watts two lights
the current leads the voltage by 0 degree
B
electron flow a 1/10
A C
electrical power during operation? (1hp = 745 watts)
519
520
How much power must a 24 volt generator furnish to a system which contains the following loads? UNIT RATING onemotor(75percentefficient).. 1/5hp three position lights .. 20 watts each oneheatingelement .. 5amp oneanticollisionlight .. 3 amp(1hp=746 W) If a unit in a 28 volt aircraft electrical system has a resistance of 10 ohms, how much power will it use? (1 hp = 746 watts) A 12 volt electric motor has 1.000 watts input and 1 horsepower output. Maintaining the same efficiency, how much input power will a 24 volt, 1 horsepower electric motor require? (1 hp = 746 watts) How many amperes will a 28 volt generator be required to supply to a circuit containing five lamps in parallel, three of which have a resistance of 6 ohms each and two of which have a resistance of 5 ohms each? The wattage rating of a carbon resistor is determined by The potential difference between two conductors which are insulated from each other is measured in
motor requiring 8 amperes
lamps in a 12 volt parallel circuit
requiring 3 amperes each in a 24 volt parallel system
hosepower, 24 volt meter which is 75 percent efficient
18.75 watts
402 watts
385 watts
450 watts
D
280 watts
7.84 watts
78.4 watts
28 watts
C
A
1,000 watts
2,000 watts
500 watts
cannot be determined from the information given
1.11 amperes
1 ampere
0.9 ampere
25.23 amperes
D
a gold band
a silver band
the size of the resistor
a red band
C
ohms
volts
amperes
coulombs
B
525
The ratio of the true power to the apparent power in an a.c. electrical circuit is called the power factor. If the true power and the power factor of a circuit are . .. . , the apparent power can be determined by
multiplying the true power times 100 times the power factor
multiplying the power factor times 100 times the true power
dividing the true power times 100 by the power factor
dividing the power factor times 100 by the input power
C
526
A 24 volt source is required to furnish 48 watts to a parallel circuit consisting of four resistors of equal value. What is the voltage drop across each resistor?
12 volts
6 volts
3 volts
24 volts
D
more than the apparent power
more than the apparent power in a reactive circuit and less than the apparent power in an inductive circuit
less than the apparent power in a reactive circuit and more than the apparent power in an inductive circuit
less than the apparent power
D
288 watts
24 watts
48 watts
12 watts
C
a
b
c
d
C
infinite resistance
0 ohm
10 ohms
20 ohms
A
20 ohms
infinite resistance
0 ohm
10 ohms
D
three
one
two
four
C
number of turns in the secondary winding
amount of current flowing in the primary winding between source voltage and the load twice the voltage across the 20 watt light
material from which the core is constructed
distance separating the windings
A
in parallel with a unit
to place one lead on either side of the fuse.
C
equal to the voltage across the 20 watt light
half the voltage across the 20 watt light
C
521
522
523 524
527
528 529 530 531 532 533
When calculating power in a reactive or inductive a.c. circuit, the true power is
Determine the power furnished in watts by the generator of the circuit in fig 2. Concerned to Fig (3), all the resistance are of 1000 ohms. Which among the above give an equivalent resistance of 1500 ohms? If resistor R3 is disconnected at terminal D, what will the ohmeter read? (Fig. 4) With an ohmmeter connected into the circuit as shown, what will the ohmmeter read in fig 5? In Fig 6 how many instruments (meters & ammeters) are installed correctly? The secondary voltage of a transformer depends upon the efficiency of the transformer and the rate of the number of turns in the primary winding to the
534
The correct way to connect a test voltmeter in a circuit is
in series with a unit
535
A cabin-entry light of 10 watts and dome light of 20 watts are connected in parallel to a 30 volt source. If the voltage across the 10 watt light is measured it will be
one third of the input voltage
536
What device is used to measure the very high insulation resistance of electric cables?
537
Before troubleshooting an electrical circuit with a continuity light, the circuit must be
538
A 14 ohm resistor is to be installed in a series circuit carrying 05 ampere. How much power will the resistor be required to dissipate?
539
540 541 542 543
544 545
What is the maximum number of electrical wire terminals that can be installed on one stud?
What would be the measured voltage of the series circuit in Fig. 7 between terminals A and B? the efficiency of power in an a.c. circuit is expressed by what term? The current in a 60-watt, 120 volt electric light bulb is which of the following will require the most electrical power? (note: 1 hp = 746 watts)
highresistance voltmeter connected to the aircraft battery at least .70 milliwatt
moving ironyane meter
megger
multimeter
C
connected to the aircraft generator
isolated
connected to an external source of power
C
at least 35 milliwatts
less than .035 watt
less than .70 milliwatt
B
A
four terminals per stud
three terminals per stud
two terminals per stud
as many terminals as you can stack on and still havetherequired numberofthreads showing through the nu
1.5 V
3.0 V
4.5 V
6.0 V
D
volt-amperes
true power
power factor
apparent power
C
0.8 amp
2 amp
1/3 amp
1/2 amp
D
four 30 watt lamps arranged in a 12 volt paralle circuit
a 12 volt landing gear retraction motor which requires 8 amperes when operating the landing gear Volt 1.07 ohms
a 1/10 horsepower, 24 volt motor which is 75 percent efficient
a 24 volt anticollision light circuit consisting of two light assemblies which require 3 amperes each during operation
D
watt 26 ohms
ampere 0.93 ohm
C C
the total current is equal to the sum of the currents through the individual branches of the circuit
the current in amperes can be found by dividing the EMF in volts by the sum of the resistors in ohms
C
rectifiers
power transducer relays 0.93 amperes
C
What unit is used to express electrical power? What is the operating resistance of a 30 watt light bulb designed for a 28 volt system? Which of the following statements is correct when made in reference to a parallel circuit?
Coulomb 30 ohms
547
Diodes are used in electrical power circuits primarily as
current eliminators
the current in amperes is the product of the EMF in volts times the total resistance of the circuit . . . Ohms circuit cutout switches
548
If three resistors of 3 ohms, 5 ohms and 22 ohms are connected in series in a 28 volt circuit, how much current will flow through the 3 ohm resistor? A good conductor of electricity is a material
9.3 amperes
1.05 amperes
1.03 amperes
through or along which electrons move freely 15 votls
whose protons are all on the outside
that contains few electrons
through or along which protons move freely
A
10 volts
20 volts
30 volts
B
5.0 amperes
2.4 amperes
3.0 amperes
0.6 amperes
C
2.4 volts
12 volts
20.4 volts
24 volts
D
16 ohms two electrical devices will have the same . . . .resistance if they are
10.4 ohms if one of three bulbs in a parallel lighting . . . . .removed, the total
2.6 ohms an electrical device that has a high resistance will have more power than one
21.2 ohms a 5 ohm resistor at a 12 volt circuit will use less current than a 10 ohm resistor in a 24
D B
546
549
550
551 552 553 554
A circuit has an applied voltage of 30 volts and a load consisting of a 10 ohm resistor in series with a 20 ohm resistor. What is the voltage drop across the 10 ohm resistor? find the total current flowing in the wire between points C and D in Fig 8 find the voltage across the 5 ohm resistor using the drawing in Fig 8 Find the total resistance of the circuit in fig 9 Which of the following is correct in reference to electrical resistance?
the current is equal in all portions of the circuit
D
555 556 557 558
559
An electric cabin heater draws 25 amps at 110 volts. How much current will flow if the voltage is reduced to 85 volts? Determine the total current flow in the circuit in Fig. 10 The total resistance of thecircuit in Fig 11 is A 48 volt source is required to furnish 192 watts to a parallel circuit consisting of three resistors of equal value. What is the value of eachresistor? Which is correct concerning a parallel circuit?
connected in series as they will have if connected in parallel 19.3 amps
resistance of the circuit will become greater
with a low resistance with the same applied voltage
volt circuit.
44.0 amps
4.4 amps
1.93 amps
A
0.2 amp
1.4 amps
0.4 amp
0.8 amp
B
25 ohms 36 ohms
35 ohms 4 ohms
37 ohms 8 ohms
17 ohms 12 ohms
D A
total resistance will be smaller than the smallest resistor
total resistance will decrease when one of the resistances is removed the amount and thickness of wire insulation
total voltage drop is the same as the total resistance
total amperage remains the same, regardless of the resistance
A
only the resistance of the conductor and does not change with a change in either voltage or amperage close the circuit
the amperage of the circuit
D
break the circuit when cooled
B
560
The voltage drop in a conductor of known resistance is dependent on
the voltage of the circuit
561
An electric motor malfunctions causing it overheat, which will cause an incorporated thermal switch to In Fig 12, the equivalent resistance of the circuit is 20 ohms.Then the value of R1is In Fig 12, the equivalent resistance of the circuit is 20 ohms. Then the value of R2 is What would be the effect if the PCO relay in Fig 13 failed to operate when the left hand tank was selected?
prevent an open circuit
break the circuit
40 Ohms
80 Ohms
120 Ohms
240 Ohms
A
40 Ohms
80 Ohms
120 Ohms
240 Ohms
B
The fuel pressure crossfeed valve would not open right hand tank position
the fuel tank crossfeed valve would open
the fuel pressure crossfeed valve open light would not illuminate
D
crossfeed position
the fuel tank crossfeed valve open light would illuminate left hand tank position
normal position
B
three
one
two
four
A
PCO and TCC 5,11,12,13,1 5,9,10
PCC and TCC
TCC and TCO
PCO and PCC
B
5,6,3,7,11,13
5,6,11,15,12,13
5,7,11,15
C
40 Ohms
80 Ohms
120 Ohms
240 Ohms
C
C
A
B
D
A
neutralize the spilled battery acid by applying sodium bicarbonate, or sodium borate dissolved in water to the affected area followed by a
apply sodium bicarbonate in powder form to the affected area
apply water to the affected area until the spilled battery acids turn a cloudy white
wipe the affected area with an oilsoaked cloth.
A
562 563 564
565 566 567 568
569 570 571
The TCO relay in Fig 13 will operate if 24 VDC is applied to the bus and the fuel tank selector is in the With power to the bus and the fuel selector switched to the right-hand tank (see Fig 13) how many relays in the system are operated? When electrical power is applied to the bus (Fig 13) which relays are engaged? Energize the circuit with the fuel tank selector switch selected to the left hand position. Using the schematic in Fig 13, identify the switches that will change position In Fig.18 the equivalent resistance of the circuit is 20 ohms. Then the value of R3 is Which symbol in Fig 19 represents a variable resistor? If an inspection discloses that a considerable amount of acid from a lead-acid battery has been spilled in the general area of the battery compartment, which of the following procedures should be followed?
572
A fully charged lead-acid battery will not . . .until extremely low temperatures are reached because
573
What determines the amount of current which will flow through a battery while it is being charged by a constant voltage source? when installing batterieson a constant current battery charger it is important to know that batteries of
574
water wash the acid is in the . . .thereby increasing the specific gravity of the solution the number of cells in the battery more than one voltage rating may be connected in series and charged at the same time the battery will supply a current of 7 amperes for 5 hours
most of the acid is in the solution
the increased internal resistance generates sufficient heat to prevent . . . .
gases which act as an insulator are always present above the solution
B
the total plate area of the battery more than one voltag rating may be connected in parallel and charged at the same time
the state of charge of the battery only one voltage rating may be connected in series and charged at the same time
the ampere hour capacity of the battery only one voltage rating may be connected in parallel and charged at the same time
C
the battery will not become discharged in less than 5 hours
a battery discharge rate of 35 amperes must not be continued for more than 5 hours by connecting the batteries in parallel
the battery will supply a current of 35 amperes for 5 hours
A
by connecting the batteries in series
C
A
575
Aircraft batteries are usually rated according to voltage and ampere-hour capacity. A 35 ampere-hour battery rating based on the 5hour discharge rate, indicates
576
Some aircraft use more than one battery to increase the power available for starting and for operating emergency loads. How are the batteries connected so that the output power will increase but the voltage will remain the same? What is the rated voltage-per-call of a nickelcadmium battery? Which of the components in fig 15 is a potentioneter? In Fig 14, what electrical symbol is represented at E? When the landing gears are up and the throttles are retarded (see Fig 15) the warning horm will not sound if an open occurs in wire The control valve switch should be placed in the neutral position when the landing gears are down (see Fig 15) to
by connecting the batteries to separate loads
it is not possible
1.30 volts
2.00 volts
2.25 volts
1.55 volts
D
D
E
C
M
C
Fixed capacitor no 4
fixed resistor
variable resistor
D
no 2
no 9
variable capacitor no 10
permit the test circuit to operate
Provide a ground for the red light
remove the ground from the green light
C
Using Fig 16 under which condition will a ground be provided for the warning horn through both gear switches when the throttles are closed? When the throttles are retarded with only the right gear down (see Fig 16) the warning horn will not sound if an open occurs in wire Schematic diagrams indicate the location of individual components in the aircraft
right gear up and left gear down
anytime the gears malfunction
left gear up and right gear down
D
no. 5
no. 13
prevent the warning horn from sounding when the throttles are closed both gears up and the control valve out of neutral no. 8
no. 6
A
with aircraft station numbers of each component the ground reference permit current to flow and illuminate the lamp
on the title block by federal stock number
with respect to each other within the system
with detail drawings of each component
C
the current limiter create a low resistance path and the current flow will be greater than normal 2.6 ohms
the fuse
the switch
A
restrict current flow and no voltage will appear on the voltmeter
permit the battery voltage to appear on the voltmeter
D
5.0 ohms
6.3 ohms
A
577 578 579 580 581
582
583 584
585 586
587
when referring to an electrical circuit diagram, what point is considered to be at zero voltage? Trouble-shooting an open circuit with a voltmeter as shown in this circuit (see Fig 17) will
A battery containing six lead-acid cells connected in series (2.1 volts per cell) has a terminal voltage of 10 volts when delivering 2
1.3 ohms
A
588
amperes to a load. What is the internal resistance of the battery? The electrolyte used in the nickel-cadmium battery is a
potassium hydroxide solution open-circuit voltage and closedcircuit voltage
hydrochloric acid solution
sulfuric acid solution
potassium peroxide solution
A
voltage and ampere hour capacity
the maximum number of voltamperes (power) the battery can furnish to a load both no 1 and no 2 are true
battery voltage and volts per call
B
neither no 1 nor no 2 is true
A
toxic and corrosive deposits of potassium carbonate crystals diluted electrolyte solution during the charging cycle
heat or burn marks on the hardware
D
high internal resistance in the battery immediately after the charging cycle is completed
A
the battery is in a discharged condition 1.7 to 1.8 volts
the battery is under load condition 1.8 to 1.9 volts
C
fluid level was not periodically . . . ... by the temperature of the plates
electrolyte becomes absorbed in the plates by the level of the electrolyte
D
the electrolyte will be absorbed by the plates during the charging cycle consistently low electrolyte level
no adverse results since water may be added anytime
excessive spewing will occur during the charging cycle
D
formation of an excessive amount of potassium carbonate
excessive plate sulfation
C
light solid line
zigzag or wavy line
A
section line
alternate short and long heavy dishes extension line
cutting plane line
A
A
B
D
C
C
indicate the location of individual components in the aircraft
do not give individual component location in the aircraft
do not locate components within the system
are used to locate parts and assemblies of parts for installation in
B
589
Most aircraft storage batteries are rated according to
590
(I) The electrolyte in a nickel-cadmium battery acts as a conductor (2) The electrolyte in a nickel-cadmium battery provides an insulator between the plates. Regarding the above statements, which of the following is true? Which of the following is an indication of improperly torqued cell link connections of a nickel-cadmium battery?
only no 1 is true
only no 2 is true
Light spewing at the cell caps
low temperature in the cells
What is the most probable cause of an excessive amount of potassium carbonate formation on a nickel-cadmium battery? when should water be added to a nickelcadmium battery?
battery overcharging
good battery ventilation
3 to 4 hours after the charging cycle is completed the battery is being charged 1.2 to 1.3 volts fluid evaporates through the . . . . . by measuring the specific gravity of the electrolyte the cell temperatures will run too low for proper output
before starting the charging cycle
591
592 593
594
The electrolyte of a nickel-cadmium battery is the lowest when
595
What is the cell voltage of a fully charged . . . . .nickel-cadmium battery? Nickel-cadmium batteries which are . . . .for a long period of time will show . . . .. . . . . .
596
597
How can the state-of-charge of a nickelcadmium battery be determined?
598
Which of the following may result if water is added to a nickel-cadmium battery when it is not fully charged?
599
Overcharging of nickel-cadmium batteries causes
600
What type of line is normally used in a mechanical drawing or blueprint to represent an edge or object not visible to the viewer? A line used to divide a drawing into equal or symmetrical parts is a In the isometric view (see Fig 20) of a typical aileron balance weight, identify the view indicated by the arrow Schematic diagrams
601 602 603
excessive wetness around the cells, connectors and cases mediumweight dashed line centre line
the battery is fully charged 1.4 to 1.5 volts battery is fully charged by a measured discharge
D
B
B
604
605 606
607 608 609
610 611 612 613 614
615
616
617 618
(1) A detail drawing is a description of a single part. (2) An assembly drawing is a description of an object made up of two or more parts. Regarding the above statements, which of the following is true? Identify the bottom view of the object shown in Fig 21. What is a fuselage station number?
What type of line is normally used in a mechanical drawing to represent the exposed surfaces of an object in sectional view? How many views are possible with an orthographic projection? In an orthographic projection, which of the following is true?
Identify the left side view of the object shown in fig 22 where is the title block usually located on a drawing? A line used to show in edge which is not visible in a Identify the bottom view of the object in Fig 23. (1) Schematic diagrams indicate the location of individual components in the aircraft (2) Schematic diagrams indicate the location of components with respect to each other within the system. Regarding the above statements, which of the following is true identify the phantom line in aircraft drawings
Which of the following is used extensively in all aircraft maintenance and repair manuals and are invaluable in identifying and lcoating components and understanding the operation of various systems? What are the proper procedural steps for sketching repairs and alterations? (see Fig 24) What is the next step required for a . . . . .of the ilustration, Fig 25?
619
When an aircraft drawing contains three separate views, the drawing is known as
620
Which of the following statements is applicable when using a sketch for making a part?
621
In orthographic projection drawings, it is often possible to portray an object clearly by the use
only no 1 is true
only no 2 is true
neither no 1 nor no 2 is true
aircraft both no 1 and no 2 are true
D
A
C
B
D
B
A measuremen t in inches from the datum or some other point chosen by the manufacturer sectioning line
a zone number used to locate a particular point
a measurement in inches from the centerline or zero station of the aircraft
a measurement in inches which always starts at the nose of the aircraft
A
leader line
break line
outline or visible line
A
four
six
three
five
B
there are always at least two views
it could have as many as eight views
it must be accompanied with a pictorial drawing
D
A
B
C
one-view, twoview and threeview drawings are the most common D
lower right corner position line
lower left corner phantom line
upper right corner hidden line
upper left corner
A
break line
C
B only no 1 is true
A both no. 1 and no. 2 are true
C only no 2 is true
D neither no. 1 nor no. 2 is true
A C
__ _____ __ _____ __ ______ __ _____ __ drawing sketches
__ __ __ __ __ __ __ __ __ __ __ __ __ __ pictorial drawings
__ _____ __ __ _____ __ __ _____ __ __
__ _____ _____ _____ _____ _____ _____
C
assembly drawings
installation diagrams
D
C,A,d, b
B,C,A,D
D,B,C,A
A,C,D,B
A
darken the object outlines
sketch extension and . . . . . . . . . side-view drawing
add notes, dimensions, . . .....
sketch at least two more . . . . .of the object
B
an isometric three-view
an orthographic projection
D
the sketch must show all information to manufacture the part
the sketch need not show all necessary construction details
a part is never made solely from a sketch
B
front, left-side and right-side
top, front and right-side
front, back and left-side
C
separate view projection the sketch may be used only if supplemente d with threeview orthographic projection drawings top, front and bottom
C
622 623
624
625 626 627 628 629 630
of three views. When three-view projection is used, which of the following views are usually shown? What should be the first step of the procedure in sketching an aircraft wing skin repair? (1)AccordingtoFAR91,repairstoanaircraftskinsh ouldhaveadetaileddimensionalsketchincludedin thepermanentrecords(2)Onoccasion,amechani cmayneedtomakeasimplesketchofaproposedre pairtoanaircraft,anewdesign,oramodification.Re gardingtheabovestatements,which. . . . What are the six possible of an object in Orthographic projection? What is the dimension of the chamber in Fig 26? Identify the bottom view of the object shown in fig 27? What are the means of conveying measurements through the medium of drawings? Identify the extension . . . .in Fig 28. The diameter of the holes in the finished object of Fig 29 is What is the maximum diameter of the hole for the clevis pin in fig 30?
draw heavy guidelines only no 1 is true
layout the repair only no 2 is true
draw the details
block in the views neither no 1 nor no 2 is true
D
Front, top, inside, rear, right side and left side 0.0625 x 45"
front, outside, bottom, rear, right side and left side 0.0625 R
front, top, bottom, inside, right side and left side 0.5000 diameter
C
B
front, top, bottom, rear, right side, and left side 0.4062 R spherical C
A
D
C
dimensions
tolerances
edge distances
bend allowances
A
C 10 R
A 8R
B 12 R
D 12 D
A D
0.500
0.3125
0.3185
0.31255
C
both no 1 and no 2 are true
B
A
View more...
Comments
