Engine is a device, which converts
A. Mechanical energy into heat energy
B. Heat energy into mechanical energy
C. Mechanical energy into sound energy
D. None of the above
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Two-stroke engine is . . . . . . . . engine.
A. Water cooled
B. Air cooled
C. Oil cooled
D. None of these
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Engines are:
A. 1 : 4 - 1 : 10
B. 1 : 12 - 1 : 22
C. 3 : 5 - 5 : 10
D. 5: 12 - 5: 22
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Another name of diesel engine is
A. High volume combustion engine
B. Low volume combustion engine
C. Constant volume combustion engine
D. No volume combustion engine
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Engine valve open by
A. Crank shaft
B. Cam shaft
C. Roker shaft
D. Valve guide
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In compression stroke piston move
A. Upward
B. BDC to TDC
C. Downward
D. Left to right
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Free pedal play in car clutches is about
A. 15 mm
B. 25 mm
C. 40 mm
D. 60 mm
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The diesel engine, is identified by the presence of . . . . . . . .
A. Air cleaner
B. Radiator
C. Fuel injector
D. Starter
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Which of the following is the disadvantage of the cone clutch?
A. It becomes difficult to disengage the clutch when the cone angle is less than 20°
B. It is silent in operation
C. The normal farce on the contact surface is larger than the axial force
D. Same torque can be transmitted for the same size as the plate clutch
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Which of the following bulb in a car will have the least watt?
A. Head light bulb
B. Stop light bulb
C. Parking light bulb
D. Ignition warning bulb
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Which of the following does not relate to steam engine?
A. Crank shaft
B. Cross head
C. Steam chest
D. Steam separator
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Which of the following system (circuits) is in the carburettor?
A. Float system
B. Power system
C. Choke system
D. All are correct
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During braking, the brake shoe is moved outward to force the lining against the
A. Wheel piston or cylinder
B. Anchor pin
C. Brake drum
D. Wheel rim or axle
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The silencer of an IC engine
A. Reduces noise
B. Decreases brake specific fuel consumption
C. Increases brake specific fuel consumption
D. Has no effect on efficiency
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Power to weight ratio for high performance cars can range upto
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External diameter of the clutch facing is limited to 120 mm and the inner diameter may be assumed to be 0.3 times the external diameter. Assume uniform wear theory. What is the effective mean radius?
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RPM of Perkins P6 is-
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The basic function of the suspension is to
A. Absorbs vibration and impact forces from the road surface
B. Ensure that the steering wheel can deliver a suitable amount of steering force
C. Ensure that wheel alignment is not disturbed during driving
D. Automatically correct the effects of over steering
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Which of the following is the function of piston?
A. In exhaust stroke it pushed out exhaust gases
B. It works as a guide for the upper part of connecting rod
C. Both A and B
D. None of the above
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The spark occurs when the
A. Points close
B. Increased dwell
C. Ignition switch is on
D. None of the above
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