AUTOMOBILE ENGINEERING- PAGE 5
AUTOMOBILE ENGINEERING- PAGE 5
1. The power transmitted by belt drives is designed on the basis of
(A) Angle of contact of smaller pulley (B) Angle of contact of bigger pulley
(C) Angle of contact of driver pulley (D) None of the above
Ans: A
2. The prime circle of a cam is
(A) the circle with centre as the centre of cam axis and radius such that it passes through the pitch point
(B) the smallest circle drawn to the cam profile from the centre of rotation of a radial cam
(C) the cam circle enclosing the cam profile
(D) the smallest circle drawn to the pitch curve from the centre of rotation of cam
Ans: D
3. The operation of removing trapped air from hydraulic braking system is known as
(A) Trapping (B) Tapping (C) Pressurization (D) Bleeding
Ans: D
4. A gear having 100 teeth is fixed and another gear having 25 teeth revolves around it, centre lines of both the gears being jointed by an arm. How many revolutions will be made by the gear of 25 teeth for one revolution of arm?
(A) 3 (B) 4 (C) 5 (D) 6
Ans: C
5. Which of the following cannot be cut by hobbing process?
(A) helical gears (B) bevel gears (C) worm gears (D) spur gears
Ans: B
6. Which one of the following cycles has the highest thermal efficiency for given maximum and minimum cycle temperatures?
(A) Brayton cycle (B) Otto cycle (C) Diesel cycle (D) Stirling cycle
Ans: D
7. In a diesel engine, the fuel is ignited by
(A) spark (B) injected fuel (C) heat resulting from compressing air that is supplied for combustion (D) ignition
Ans: C
8. Scavenging air in diesel engine means
(A) air used for combustion sent under pressure (B) burnt air containing products of combustion
(C) air used for forcing burnt gases out of engine’s cylinder during the exhaust period (D) air fuel mixture.
Ans: C
9. Supercharging is the process of
(A) supplying the intake of an engine with air at a density greater than the density of the surrounding atmosphere
(B) providing forced cooling air
(C) injecting excess fuel for raising more load
(D) supplying compressed air to remove combustion products fully
Ans: A
10. Which of the following medium is compressed in a Diesel engine cylinder?
(A) air alone (B) air and fuel (C) air and lub oil (D) fuel alone
Ans: A
11. The air-fuel ratio of the petrol engine is controlled by
(A) fuel pump (B) governor (C) injector (D) carburetor
Ans: D
12. A 75 cc engine has following parameter as 75 cc
(A) fuel tank capacity (B) lub oil capacity (C) swept volume (D) cylinder volume
Ans: C
13. The magneto in an automobile is basically
(A) transformer (B) d.c. generator (C) capacitor (D) magnetic circuit
Ans: B
14. The theoretically correct air fuel ratio for petrol engine is of the order of
(A) 6 : 1 (B) 9 : 1 (C) 12 : 1 (D) 15 : 1
Ans: D
15. Pour point of fuel oil is the
(A) minimum temperature to which oil is heated in order to give off inflammable vapours in sufficient quantity to ignite momentarily when brought in contact with a flame
(B) temperature at which it solidifies or congeals
(C) it catches fire without external aid
(D) indicated by 90% distillation temperature i.e., when 90% of sample oil has distilled off
Ans: B
16. Diesel engine can work on very lean air fuel ratio of the order of 30 :1. A petrol engine can also work on such a lean ratio provided
(A) it is properly designed (B) best quality fuel is used (C) can not work as it is impossible (D) flywheel size is proper
Ans: C
17. The knock in diesel engine occurs due to
(A) instantaneous and rapid burning of the first part of the charge (B) instantaneous auto ignition of last part of charge
(C) delayed burning of the first part of the charge (D) reduction of delay period
Ans: A
18. The ignition quality of petrol is expressed by
(A) Cetane number (B) Octane number
(C) Calorific value (D) All of these
Ans: B
19. Sequence of coolant circulation in engine cooling system is
(A) Pump–radiator-block-head (B) Pump–block-head-radiator (C) Pump–block-radiator- head (D) Pump–radiator-head-block
Ans: B
20. The device for smoothening out the power impulses from the engine is called
(A) Clutch (B) Differential (C) Flywheel (D) None of the options
Ans: C
21. The function of a universal joint is to allow the propeller shaft to
(A) Transfer torque at an angle (B) Bend side ways (C) Change its length (D) None of the options
Ans: A
22. The basic purpose of tyres is to
(A) Grip the road and provide good traction (B) Substitute for springs (C) Act as brake (D) None of the options
Ans: A
23. Critical whirling speed of the propeller shaft is increased by
(A) Decreasing its diameter (B) Increasing its length (C) Decreasing its length (D) None of the options
Ans: C
24. The advantage of a tubeless tyre over tube type tyre is/are?
(A) Slow air leakage (B) Better fuel efficiency (C) Less chances of running flat (D) All of the options
Ans: D
25. The function of an alternator in an automobile is to
(A) Supply electric power (B) Continually recharge the battery (C) Partly convert engine power into electric power (D) None of the options
Ans: B
26. Morse test is used to determine the indicated power of a
(A) Single cylinder petrol engine (B) Single cylinder diesel engine (C) Multi-cylinder engine (D) None of the options
Ans: C
27. Brake fade is
(A) Loss of pedal (B) Loss of hydraulic fluid
(C) Loss of coefficient of friction (D) None of the options
Ans: C
28. The central gear of an epicyclic gear set is called a
(A) Planet gear (B) Sun gear
(C) Internal gear (D) None of the options
Ans: B
29:-In internal combustion engine, the total energy losses due to pumping and friction converted into power is termed as
A:-Brake power B:-Indicated power
C:-Friction power D:-Total engine power
Ans: C
30:-Which among the following statement is correct?
A:-In four-stroke engines, the cooling and lubrication requirement is lesser than in two-stroke engines.
B:-A lighter flywheel is needed for four-stroke engines than two-stroke engines.
C:-In two-stroke engines, volumetric efficiency is more due to greater time of induction.
D:-In four-stroke engines, in each revolution of the crankshaft, four power strokes are obtained.
Ans: A
31:-The basic function of clutch is to
A:-support a moving element and to confine its motion
B:-transmit power from one shaft to other over considerable distances
C:-measure forces and energy
D:-control flow of mechanical power within a machine
Ans: D
32. The vehicle moving on a level circular path will exert pressure such that
(A) The reaction on the outer wheels will be more
(B) The reaction on the inner wheels will be more
(C) The reaction on the wheels are equal
(D) The reaction depends upon the Speed of wheel
Ans: B
33. Whirling speed of a shaft coincides with the natural frequency of its
(A) Longitudinal vibration
(B) Transverse vibration
(C) Torsional vibration
(D) Coupled bending-torsional vibration
Ans: B
34. Velocity factor is used to take care of
(A) effect of high velocity
(B) possibility of fatigue failure
(C) possibility of high wear
(D) pitting
Ans: B
35. Single plate clutch is used in
(A) four wheelers
(B) two wheelers
(C) mopeds
(D) applications where initial torque is high
Ans: A
36. Short shoe brakes have a angle of contact less than
(A) 10°
(B) 20°
(C) 60°
(D) 45°
Ans: C
37. Slip in the case of a centrifugal pump
(A) Increases the flow rate
(B) Reduces the energy transfer
(C) Reduces the speed
(D) Increases cavitation
Ans: B
38. In fully developed turbulent flow, if the diameter is halved without changing the flow rate, the frictional drop will change by the factor
(A) 32 times
(B) 16 times
(C) 8 times
(D) 4 times
Ans: A
39. In a steady flow of incompressible fluid, as the diameter is doubled, the velocity will
(A) be halved
(B) be doubled
(C) increase four fold
(D) decrease four fold
Ans: D
40. If a body is in stable equilibrium the metacentric height should be
(A) zero
(B) Positive
(c) negative
(D) depends on the fluid
Ans: C
41:-The device fitted on diesel engine to develop vacuum to assist the pneumatic governor of FIP
A:-Compressor
B:-Inter cooler
C:-Exhauster
D:-Super charger
Ans: C
42:-Number of pole fingers in an alternator rotor
A:-8
B:-12
C:-14
D:-16
Ans: B
43:-Which of the following is a solid lubricant?
A:-Graphite
B:-lead
C:-Tin
D:-Aluminium
Ans: A
44:-The clearance between the oil pump gear teethes are measured with
A:-Dial gauge
B:-Vernier caliper
C:-Inside micro meter
D:-Feeler guage
Ans: D
45:-Which one of the following is not affected the fuel economy of an engine?
A:-Clogged air filter
B:-Clogged fuel filter
C:-Leaky engine valves
D:-Worn out piston rings
Ans: B
46:-Find the probable cause of wheel tramp
A:-High speed
B:-Under inflation
C:-Incorrect toe-in
D:-Dynamic unbalance
Ans: D
47:-A vehicle with torsion bar suspension required ________ to take the driving and braking thrust.
A:-Stabilizer bar
B:-Pan hard rod
C:-Radius rod
D:-Torque tube
Ans: C
48:-Which of the under mentioned fault can be change the steering axis inclination?
A:-Bent wheel spindle
B:-Worn out knuckle bearings
C:-Bent track rod
D:-Tight wheel bearing
Ans: A
49:-The effect of side wind over the frame side member is its
A:-Lateral bending
B:-Horizontal bending
C:-Vertical bending
D:-All of these
Ans: A
50:-Belleville springs are generally known as
A:-Torsion springs
B:-Coil springs
C:-Helical springs
D:-Diaphragm springs
Ans: D
(A) Angle of contact of smaller pulley (B) Angle of contact of bigger pulley
(C) Angle of contact of driver pulley (D) None of the above
Ans: A
2. The prime circle of a cam is
(A) the circle with centre as the centre of cam axis and radius such that it passes through the pitch point
(B) the smallest circle drawn to the cam profile from the centre of rotation of a radial cam
(C) the cam circle enclosing the cam profile
(D) the smallest circle drawn to the pitch curve from the centre of rotation of cam
Ans: D
3. The operation of removing trapped air from hydraulic braking system is known as
(A) Trapping (B) Tapping (C) Pressurization (D) Bleeding
Ans: D
4. A gear having 100 teeth is fixed and another gear having 25 teeth revolves around it, centre lines of both the gears being jointed by an arm. How many revolutions will be made by the gear of 25 teeth for one revolution of arm?
(A) 3 (B) 4 (C) 5 (D) 6
Ans: C
5. Which of the following cannot be cut by hobbing process?
(A) helical gears (B) bevel gears (C) worm gears (D) spur gears
Ans: B
6. Which one of the following cycles has the highest thermal efficiency for given maximum and minimum cycle temperatures?
(A) Brayton cycle (B) Otto cycle (C) Diesel cycle (D) Stirling cycle
Ans: D
7. In a diesel engine, the fuel is ignited by
(A) spark (B) injected fuel (C) heat resulting from compressing air that is supplied for combustion (D) ignition
Ans: C
8. Scavenging air in diesel engine means
(A) air used for combustion sent under pressure (B) burnt air containing products of combustion
(C) air used for forcing burnt gases out of engine’s cylinder during the exhaust period (D) air fuel mixture.
Ans: C
9. Supercharging is the process of
(A) supplying the intake of an engine with air at a density greater than the density of the surrounding atmosphere
(B) providing forced cooling air
(C) injecting excess fuel for raising more load
(D) supplying compressed air to remove combustion products fully
Ans: A
10. Which of the following medium is compressed in a Diesel engine cylinder?
(A) air alone (B) air and fuel (C) air and lub oil (D) fuel alone
Ans: A
11. The air-fuel ratio of the petrol engine is controlled by
(A) fuel pump (B) governor (C) injector (D) carburetor
Ans: D
12. A 75 cc engine has following parameter as 75 cc
(A) fuel tank capacity (B) lub oil capacity (C) swept volume (D) cylinder volume
Ans: C
13. The magneto in an automobile is basically
(A) transformer (B) d.c. generator (C) capacitor (D) magnetic circuit
Ans: B
14. The theoretically correct air fuel ratio for petrol engine is of the order of
(A) 6 : 1 (B) 9 : 1 (C) 12 : 1 (D) 15 : 1
Ans: D
15. Pour point of fuel oil is the
(A) minimum temperature to which oil is heated in order to give off inflammable vapours in sufficient quantity to ignite momentarily when brought in contact with a flame
(B) temperature at which it solidifies or congeals
(C) it catches fire without external aid
(D) indicated by 90% distillation temperature i.e., when 90% of sample oil has distilled off
Ans: B
16. Diesel engine can work on very lean air fuel ratio of the order of 30 :1. A petrol engine can also work on such a lean ratio provided
(A) it is properly designed (B) best quality fuel is used (C) can not work as it is impossible (D) flywheel size is proper
Ans: C
17. The knock in diesel engine occurs due to
(A) instantaneous and rapid burning of the first part of the charge (B) instantaneous auto ignition of last part of charge
(C) delayed burning of the first part of the charge (D) reduction of delay period
Ans: A
18. The ignition quality of petrol is expressed by
(A) Cetane number (B) Octane number
(C) Calorific value (D) All of these
Ans: B
19. Sequence of coolant circulation in engine cooling system is
(A) Pump–radiator-block-head (B) Pump–block-head-radiator (C) Pump–block-radiator- head (D) Pump–radiator-head-block
Ans: B
20. The device for smoothening out the power impulses from the engine is called
(A) Clutch (B) Differential (C) Flywheel (D) None of the options
Ans: C
21. The function of a universal joint is to allow the propeller shaft to
(A) Transfer torque at an angle (B) Bend side ways (C) Change its length (D) None of the options
Ans: A
22. The basic purpose of tyres is to
(A) Grip the road and provide good traction (B) Substitute for springs (C) Act as brake (D) None of the options
Ans: A
23. Critical whirling speed of the propeller shaft is increased by
(A) Decreasing its diameter (B) Increasing its length (C) Decreasing its length (D) None of the options
Ans: C
24. The advantage of a tubeless tyre over tube type tyre is/are?
(A) Slow air leakage (B) Better fuel efficiency (C) Less chances of running flat (D) All of the options
Ans: D
25. The function of an alternator in an automobile is to
(A) Supply electric power (B) Continually recharge the battery (C) Partly convert engine power into electric power (D) None of the options
Ans: B
26. Morse test is used to determine the indicated power of a
(A) Single cylinder petrol engine (B) Single cylinder diesel engine (C) Multi-cylinder engine (D) None of the options
Ans: C
27. Brake fade is
(A) Loss of pedal (B) Loss of hydraulic fluid
(C) Loss of coefficient of friction (D) None of the options
Ans: C
28. The central gear of an epicyclic gear set is called a
(A) Planet gear (B) Sun gear
(C) Internal gear (D) None of the options
Ans: B
29:-In internal combustion engine, the total energy losses due to pumping and friction converted into power is termed as
A:-Brake power B:-Indicated power
C:-Friction power D:-Total engine power
Ans: C
30:-Which among the following statement is correct?
A:-In four-stroke engines, the cooling and lubrication requirement is lesser than in two-stroke engines.
B:-A lighter flywheel is needed for four-stroke engines than two-stroke engines.
C:-In two-stroke engines, volumetric efficiency is more due to greater time of induction.
D:-In four-stroke engines, in each revolution of the crankshaft, four power strokes are obtained.
Ans: A
31:-The basic function of clutch is to
A:-support a moving element and to confine its motion
B:-transmit power from one shaft to other over considerable distances
C:-measure forces and energy
D:-control flow of mechanical power within a machine
Ans: D
32. The vehicle moving on a level circular path will exert pressure such that
(A) The reaction on the outer wheels will be more
(B) The reaction on the inner wheels will be more
(C) The reaction on the wheels are equal
(D) The reaction depends upon the Speed of wheel
Ans: B
33. Whirling speed of a shaft coincides with the natural frequency of its
(A) Longitudinal vibration
(B) Transverse vibration
(C) Torsional vibration
(D) Coupled bending-torsional vibration
Ans: B
34. Velocity factor is used to take care of
(A) effect of high velocity
(B) possibility of fatigue failure
(C) possibility of high wear
(D) pitting
Ans: B
35. Single plate clutch is used in
(A) four wheelers
(B) two wheelers
(C) mopeds
(D) applications where initial torque is high
Ans: A
36. Short shoe brakes have a angle of contact less than
(A) 10°
(B) 20°
(C) 60°
(D) 45°
Ans: C
37. Slip in the case of a centrifugal pump
(A) Increases the flow rate
(B) Reduces the energy transfer
(C) Reduces the speed
(D) Increases cavitation
Ans: B
38. In fully developed turbulent flow, if the diameter is halved without changing the flow rate, the frictional drop will change by the factor
(A) 32 times
(B) 16 times
(C) 8 times
(D) 4 times
Ans: A
39. In a steady flow of incompressible fluid, as the diameter is doubled, the velocity will
(A) be halved
(B) be doubled
(C) increase four fold
(D) decrease four fold
Ans: D
40. If a body is in stable equilibrium the metacentric height should be
(A) zero
(B) Positive
(c) negative
(D) depends on the fluid
Ans: C
41:-The device fitted on diesel engine to develop vacuum to assist the pneumatic governor of FIP
A:-Compressor
B:-Inter cooler
C:-Exhauster
D:-Super charger
Ans: C
42:-Number of pole fingers in an alternator rotor
A:-8
B:-12
C:-14
D:-16
Ans: B
43:-Which of the following is a solid lubricant?
A:-Graphite
B:-lead
C:-Tin
D:-Aluminium
Ans: A
44:-The clearance between the oil pump gear teethes are measured with
A:-Dial gauge
B:-Vernier caliper
C:-Inside micro meter
D:-Feeler guage
Ans: D
45:-Which one of the following is not affected the fuel economy of an engine?
A:-Clogged air filter
B:-Clogged fuel filter
C:-Leaky engine valves
D:-Worn out piston rings
Ans: B
46:-Find the probable cause of wheel tramp
A:-High speed
B:-Under inflation
C:-Incorrect toe-in
D:-Dynamic unbalance
Ans: D
47:-A vehicle with torsion bar suspension required ________ to take the driving and braking thrust.
A:-Stabilizer bar
B:-Pan hard rod
C:-Radius rod
D:-Torque tube
Ans: C
48:-Which of the under mentioned fault can be change the steering axis inclination?
A:-Bent wheel spindle
B:-Worn out knuckle bearings
C:-Bent track rod
D:-Tight wheel bearing
Ans: A
49:-The effect of side wind over the frame side member is its
A:-Lateral bending
B:-Horizontal bending
C:-Vertical bending
D:-All of these
Ans: A
50:-Belleville springs are generally known as
A:-Torsion springs
B:-Coil springs
C:-Helical springs
D:-Diaphragm springs
Ans: D
51:-Which of the following gear boxes have lesser mechanical efficiency?
A:-Synchromesh
B:-Constant mesh
C:-Sliding mesh
D:-All of these
Ans: C
52:-Alloy steels are generally quenched in
A:-Water
B:-Oil
C:-Brine
D:-Ice
Ans: B
53:-The fastener used to transmitting torque from a rotating shaft to a hub or vize versa
A:-Circlip
B:-Locking ring
C:-Tab washer
D:-Key
Ans: D
54:-Adjustment of FIP in which ensure equal time interval of fuel delivery to all engine cylinders
A:-Leak off
B:-Calibration
C:-Phasing
D:-Chattering
Ans: C
55:-The process of continues releasing and applying of brake in an ABS is called
A:-Pressure modulation
B:-Pulse modulation
C:-Speed modulation
D:-None of these
Ans: A
56:-Maximum boost pressure of a turbocharger is controlled by a
A:-EGR valve
B:-Waste gate
C:-Blow-off valve
D:-Pressure release valve
Ans: B
57:-Annulus in an epicycle gear box is usually known as
A:-Ring gear
B:-Carrier
C:-Planet
D:-Sun gear
Ans: A
58:-The length variation between leaf spring eyes by the oscillation of leaves are accommodate with the help of
A:-Centre bolt
B:-Shackle
C:-'U' Clamp
D:-Bracket
Ans: B
59:-Which among the following is a disadvantages of hypoid gear using in final drive?
A:-Low chassis height
B:-Smaller pitch overlap
C:-Rough running
D:-Less ground clearance
Ans: D
60:-The steering sensor in an electronic power steering system consist of
A:-Torque and pressure sensor
B:-Torque and speed sensor
C:-Torque and rotation sensor
D:-Speed and rotation sensor
Ans: C
61:-The percentage ratio between difference of vehicle speed and wheel speed to the vehicle speed is
A:-Velocity ratio
B:-Speed ratio
C:-Slip ratio
D:-Aspect ratio
Ans: C
62:-In a disc brake caliper, the component act as a return spring to retract the piston
A:-Bleed screw
B:-Rubber sealing ring
C:-Disc
D:-Friction pads
Ans: B
63:-Identify the horn relay with its marking
A:-HBR
B:-HRS
C:-BRS
D:-HBS
Ans: D
64:-Location of an expansion valve in an automotive air conditioning is at
A:-Inlet side of evaporator
B:-Outlet side of evaporator
C:-Inside the evaporator
D:-Inlet side of condenser
Ans: A
65:-The socket in which provided with a universal joint
A:-Deep
B:-Flex
C:-Standard
D:-None of these
Ans: B
66:-The catalyst used for first stage conversion in a three - way convertor
A:-Vanadium
B:-Cerium
C:-Platinum
D:-Rhodium
Ans: D
67:-Combustion knock in a CI engine is generally known as
A:-Diesel knock
B:-Diesel lock
C:-Both (1) and (2)
D:-Detonation
Ans: A
68:-Which of the following are provided to the crank shaft to the balancing of main journals?
A:-Crank arm
B:-Harmonic balancer
C:-Crank weight
D:-Crank pulley
Ans: C
69:-Permissible range of particulate matters in the exhaust gas of a petrol engine as per Euro 4 emission standard is
A:-0.14 gm/Km
B:-0.08 gm/Km
C:-0.05 gm/Km
D:-None of these
Ans: D
70:-Oil additives which handle high temperature deposit such as gums and varnishes
A:-Dispersant
B:-Detergent
C:-Anti-scuff additives
D:-Anti foaming additives
Ans: B
71:-In an alternator, the carbon brushes ride on the
A:-Commutator
B:-Rotor shaft
C:-Slip ring
D:-Field windings
Ans: C
72:-Choose correct drive transmission from engine to gear box
A:-Fly wheel - cover - drive plate - driven plate
B:-Fly wheel - cover - driven plate - drive plate
C:-Fly wheel - driven plate - drive plate - cover
D:-Fly wheel - drive plate - driven plate - cover
Ans: A
73:-As related to the automatic transmission, the friction loss in the manual transmission is
A:-Less
B:-Same
C:-More
D:-Much more
Ans: A
74:-Separate carrier type rear axle casing is generally known as
A:-Split type
B:-Salisbury type
C:-Banjo type
D:-Integral carrier type
Ans: C
75:-Which among the following springs have the greater energy storing capacity?
A:-Coil spring
B:-Torsion spring
C:-Leaf spring
D:-Rubber spring
Ans: D
76:-The shock absorber dissolve can be reduced by pressurizing the fluid with ________ gas.
A:-Hydrogen
B:-Nitrogen
C:-Oxygen
D:-Carbon dioxide
Ans: B
77:-In the code 145 SR-13 of a radial tire, 13 denominate
A:-Tire width
B:-Aspect ratio
C:-Inner diameter of tire
D:-Load carrying capacity
Ans: C
78:-Which light provide a better night time visibility?
A:-Halogen
B:-LED
C:-Both (1) and (2)
D:-Xenon
Ans: D
79:-The types of lubrication in which scavenging pump required
A:-Splash system
B:-Pressure system
C:-Dry sump system
D:-Petrol system
Ans: C
80. __________ valve in the front brake line of hydraulic brake system holds off pressure going from master cylinder to front disc calipers.
(A) Schrader valve (B) Metering valve (C) Bleeder valve (D) Proportioning valve
Ans: B
81. If the clutch disc is not completely released when clutch pedal is fully depressed, __________ occurs.
(A) Clutch Drag (B) Chatter (C) Pedal Pulsation (D) Clutch slippage
Ans: A
82. Belleville spring is the other name for __________ .
(A) Leaf spring (B) Diaphragm spring (C) Cushion spring (D) Coil spring
Ans: B
83. __________ is used to ensure that the main shaft and main speed gear to be Locked to it are rotating at the same speed.
(A) Transfer Case (B) Transaxle (C) Shift fork (D) Synchronizer
Ans: D
84. Cluster gear is other name for __________ .
(A) Idler Gear (B) Main Shaft Gear (C) Countershaft Gear (D) Final Drive Gear
Ans: C
85. __________ are commonly used on Front wheel drive vehicles.
(A) Transaxles (B) Double Reductions (C) Synchronizers (D) Slip Joints
Ans: A
86. Inflation Pressure is associated with __________ .
(A) Combustion chamber (B) Cooling system (C) Shock Absorber (D) Tires
Ans: D
87. A Tire’s __________ is the relation of its cross section height compared to the cross section width.
(A) Rotation (B) Profile (C) Placard (D) Tread wear indicator
Ans: B
88. Function of __________ is to keep positive and negative plates apart when they are assembled in the battery and so prevent internal short circuit.
(A) Pole strap (B) Core connector (C) Separator (D) Splash plate
Ans: C
89. Disc Brakes are also known as __________ Brakes.
(A) Leading brake (B) Trailing brake (C) Internal expanding brake (D) External contracting brake
Ans: D
90. __________ circuit consists of the secondary winding of the ignition coil, the distributor, the High tension wires and Spark Plugs.
(A) Primary (B) Charging (C) High Tension (D) Rectifier
Ans: C
91. __________ is an occurrence in the use of motor vehicle resulting in injury to or death of a Person or Animal or Damage of any property.
(A) Accident (B) Insurance (C) Surveying (D) Policy
Ans: A
92. __________ is the width of land to be acquired for Road purposes, keeping in view future requirements.
(A) Set back distance (B) Carriage way
(C) Right of way (D) Shoulder width
Ans: C
93. __________ means a certificate issued by a competent authority to the effect that a motor vehicle has been duly Registered in Accordance with provision of chapter IV of M.V. Act.
(A) PUC Certificate
(B) Vehicle Insurance Certificate
(C) Road Worthiness Certificate
(D) Certificate of Registration
Ans: D
94. __________ means any mechanically propelled vehicle adapted to use upon roads, which is self propelled.
(A) Motor vehicle (B) Omni Bus (C) Maxi Cab (D) Motor Cab
Ans: A
95. An Accident or Fire Damage vehicle is deemed to be a __________ if the cost of repairs exceeds the Pre Accident market value.
(A) Salvage (B) Obsolete (C) Total loss (D) Value added tax
Ans: C
96. Single point fuel injection is also called __________ .
(A) MPFI system (B) Fuel Delivery system
(C) Synchronous injection (D) Throttle Body injection
Ans: D
97. __________ sensors measure changes in intake manifold pressure caused by changes in Engine speed and load and convert them into Electrical signals.
(A) Air vortex (B) Throttle position (C) Map (D) Vehicle speed
Ans: C
98. EGR is Employed to reduce amount of __________ in Emissions.
(A) NOx (B) CO (C) UBHC (D) SO2
Ans: A
99. __________ systems use Global positioning satellites to help drivers make travel decisions while they are on the road.
(A) Keyless entry (B) Navigation (C) Pass key (D) Vehicle Tracking
Ans: B
100. Supplemental inflatable restraint on modern vehicles are better known as __________ .
(A) Ignition kill systems (B) Seat Belts (C) Collapsible Steering system (D) Air Bag system
Ans: D
A:-Synchromesh
B:-Constant mesh
C:-Sliding mesh
D:-All of these
Ans: C
52:-Alloy steels are generally quenched in
A:-Water
B:-Oil
C:-Brine
D:-Ice
Ans: B
53:-The fastener used to transmitting torque from a rotating shaft to a hub or vize versa
A:-Circlip
B:-Locking ring
C:-Tab washer
D:-Key
Ans: D
54:-Adjustment of FIP in which ensure equal time interval of fuel delivery to all engine cylinders
A:-Leak off
B:-Calibration
C:-Phasing
D:-Chattering
Ans: C
55:-The process of continues releasing and applying of brake in an ABS is called
A:-Pressure modulation
B:-Pulse modulation
C:-Speed modulation
D:-None of these
Ans: A
56:-Maximum boost pressure of a turbocharger is controlled by a
A:-EGR valve
B:-Waste gate
C:-Blow-off valve
D:-Pressure release valve
Ans: B
57:-Annulus in an epicycle gear box is usually known as
A:-Ring gear
B:-Carrier
C:-Planet
D:-Sun gear
Ans: A
58:-The length variation between leaf spring eyes by the oscillation of leaves are accommodate with the help of
A:-Centre bolt
B:-Shackle
C:-'U' Clamp
D:-Bracket
Ans: B
59:-Which among the following is a disadvantages of hypoid gear using in final drive?
A:-Low chassis height
B:-Smaller pitch overlap
C:-Rough running
D:-Less ground clearance
Ans: D
60:-The steering sensor in an electronic power steering system consist of
A:-Torque and pressure sensor
B:-Torque and speed sensor
C:-Torque and rotation sensor
D:-Speed and rotation sensor
Ans: C
61:-The percentage ratio between difference of vehicle speed and wheel speed to the vehicle speed is
A:-Velocity ratio
B:-Speed ratio
C:-Slip ratio
D:-Aspect ratio
Ans: C
62:-In a disc brake caliper, the component act as a return spring to retract the piston
A:-Bleed screw
B:-Rubber sealing ring
C:-Disc
D:-Friction pads
Ans: B
63:-Identify the horn relay with its marking
A:-HBR
B:-HRS
C:-BRS
D:-HBS
Ans: D
64:-Location of an expansion valve in an automotive air conditioning is at
A:-Inlet side of evaporator
B:-Outlet side of evaporator
C:-Inside the evaporator
D:-Inlet side of condenser
Ans: A
65:-The socket in which provided with a universal joint
A:-Deep
B:-Flex
C:-Standard
D:-None of these
Ans: B
66:-The catalyst used for first stage conversion in a three - way convertor
A:-Vanadium
B:-Cerium
C:-Platinum
D:-Rhodium
Ans: D
67:-Combustion knock in a CI engine is generally known as
A:-Diesel knock
B:-Diesel lock
C:-Both (1) and (2)
D:-Detonation
Ans: A
68:-Which of the following are provided to the crank shaft to the balancing of main journals?
A:-Crank arm
B:-Harmonic balancer
C:-Crank weight
D:-Crank pulley
Ans: C
69:-Permissible range of particulate matters in the exhaust gas of a petrol engine as per Euro 4 emission standard is
A:-0.14 gm/Km
B:-0.08 gm/Km
C:-0.05 gm/Km
D:-None of these
Ans: D
70:-Oil additives which handle high temperature deposit such as gums and varnishes
A:-Dispersant
B:-Detergent
C:-Anti-scuff additives
D:-Anti foaming additives
Ans: B
71:-In an alternator, the carbon brushes ride on the
A:-Commutator
B:-Rotor shaft
C:-Slip ring
D:-Field windings
Ans: C
72:-Choose correct drive transmission from engine to gear box
A:-Fly wheel - cover - drive plate - driven plate
B:-Fly wheel - cover - driven plate - drive plate
C:-Fly wheel - driven plate - drive plate - cover
D:-Fly wheel - drive plate - driven plate - cover
Ans: A
73:-As related to the automatic transmission, the friction loss in the manual transmission is
A:-Less
B:-Same
C:-More
D:-Much more
Ans: A
74:-Separate carrier type rear axle casing is generally known as
A:-Split type
B:-Salisbury type
C:-Banjo type
D:-Integral carrier type
Ans: C
75:-Which among the following springs have the greater energy storing capacity?
A:-Coil spring
B:-Torsion spring
C:-Leaf spring
D:-Rubber spring
Ans: D
76:-The shock absorber dissolve can be reduced by pressurizing the fluid with ________ gas.
A:-Hydrogen
B:-Nitrogen
C:-Oxygen
D:-Carbon dioxide
Ans: B
77:-In the code 145 SR-13 of a radial tire, 13 denominate
A:-Tire width
B:-Aspect ratio
C:-Inner diameter of tire
D:-Load carrying capacity
Ans: C
78:-Which light provide a better night time visibility?
A:-Halogen
B:-LED
C:-Both (1) and (2)
D:-Xenon
Ans: D
79:-The types of lubrication in which scavenging pump required
A:-Splash system
B:-Pressure system
C:-Dry sump system
D:-Petrol system
Ans: C
80. __________ valve in the front brake line of hydraulic brake system holds off pressure going from master cylinder to front disc calipers.
(A) Schrader valve (B) Metering valve (C) Bleeder valve (D) Proportioning valve
Ans: B
81. If the clutch disc is not completely released when clutch pedal is fully depressed, __________ occurs.
(A) Clutch Drag (B) Chatter (C) Pedal Pulsation (D) Clutch slippage
Ans: A
82. Belleville spring is the other name for __________ .
(A) Leaf spring (B) Diaphragm spring (C) Cushion spring (D) Coil spring
Ans: B
83. __________ is used to ensure that the main shaft and main speed gear to be Locked to it are rotating at the same speed.
(A) Transfer Case (B) Transaxle (C) Shift fork (D) Synchronizer
Ans: D
84. Cluster gear is other name for __________ .
(A) Idler Gear (B) Main Shaft Gear (C) Countershaft Gear (D) Final Drive Gear
Ans: C
85. __________ are commonly used on Front wheel drive vehicles.
(A) Transaxles (B) Double Reductions (C) Synchronizers (D) Slip Joints
Ans: A
86. Inflation Pressure is associated with __________ .
(A) Combustion chamber (B) Cooling system (C) Shock Absorber (D) Tires
Ans: D
87. A Tire’s __________ is the relation of its cross section height compared to the cross section width.
(A) Rotation (B) Profile (C) Placard (D) Tread wear indicator
Ans: B
88. Function of __________ is to keep positive and negative plates apart when they are assembled in the battery and so prevent internal short circuit.
(A) Pole strap (B) Core connector (C) Separator (D) Splash plate
Ans: C
89. Disc Brakes are also known as __________ Brakes.
(A) Leading brake (B) Trailing brake (C) Internal expanding brake (D) External contracting brake
Ans: D
90. __________ circuit consists of the secondary winding of the ignition coil, the distributor, the High tension wires and Spark Plugs.
(A) Primary (B) Charging (C) High Tension (D) Rectifier
Ans: C
91. __________ is an occurrence in the use of motor vehicle resulting in injury to or death of a Person or Animal or Damage of any property.
(A) Accident (B) Insurance (C) Surveying (D) Policy
Ans: A
92. __________ is the width of land to be acquired for Road purposes, keeping in view future requirements.
(A) Set back distance (B) Carriage way
(C) Right of way (D) Shoulder width
Ans: C
93. __________ means a certificate issued by a competent authority to the effect that a motor vehicle has been duly Registered in Accordance with provision of chapter IV of M.V. Act.
(A) PUC Certificate
(B) Vehicle Insurance Certificate
(C) Road Worthiness Certificate
(D) Certificate of Registration
Ans: D
94. __________ means any mechanically propelled vehicle adapted to use upon roads, which is self propelled.
(A) Motor vehicle (B) Omni Bus (C) Maxi Cab (D) Motor Cab
Ans: A
95. An Accident or Fire Damage vehicle is deemed to be a __________ if the cost of repairs exceeds the Pre Accident market value.
(A) Salvage (B) Obsolete (C) Total loss (D) Value added tax
Ans: C
96. Single point fuel injection is also called __________ .
(A) MPFI system (B) Fuel Delivery system
(C) Synchronous injection (D) Throttle Body injection
Ans: D
97. __________ sensors measure changes in intake manifold pressure caused by changes in Engine speed and load and convert them into Electrical signals.
(A) Air vortex (B) Throttle position (C) Map (D) Vehicle speed
Ans: C
98. EGR is Employed to reduce amount of __________ in Emissions.
(A) NOx (B) CO (C) UBHC (D) SO2
Ans: A
99. __________ systems use Global positioning satellites to help drivers make travel decisions while they are on the road.
(A) Keyless entry (B) Navigation (C) Pass key (D) Vehicle Tracking
Ans: B
100. Supplemental inflatable restraint on modern vehicles are better known as __________ .
(A) Ignition kill systems (B) Seat Belts (C) Collapsible Steering system (D) Air Bag system
Ans: D