Automotive Engines MCQs

Automobile Engineering Objective Questions

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624. Disadvantage of petrol injections is-

A. Higher initial cost

B. Complicated design

C. Both are correct

D. None of these

625. The drive-shafts are connected to the differential and wheel hubs through universal joints because the universal joints

A. Absorb the vibrations transferred from the surface of the road

B. Compensate for variations in the relative positions of the differential and the wheels which result from bumpy road surfaces or other similar driving conditions

C. Absorb any difference in speed between the left and right wheels when the vehicle is turning

D. None of the above

626. The actual volume of fresh charge taken into four stroke-petrol engine is

A. Less than stroke volume

B. Equal to stroke volume

C. Equal to stroke volume + clearance volume

D. Does not depend upon stroke volume

627. What is the change of state of the fuel from liquid to vapour?

A. Vaporization

628. The brakes employed in cars are usually operated

A. Mechaincally

B. Hydraulically

C. By means of engine vacuum

D. By compressed air

629. Which one of the statement is correct?
1. Petrol engine is a reciprocating engine
2. Petrol engine is high speed engine
3. Petrol engine uses petrol as fuel
4. Petrol engine is internal combustion engine

A. All four are correct

B. Only 1 is correct

C. Only 4 is correct

D. All are wrong

630. The thrust bearing should come into contact with the release levers when the

A. Vehicles is stationary

B. Vehicle is running very fast

C. Vehicle is driven very slow

D. Clutch pedal is pressed

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