11. The engine torque increases with the increase in engine speed up to a certain point after which it starts to fall down.
Correct
Incorrect
✅ The correct answer is option A.
Automobile Engineering MCQs
12. The sequence in which the force is transmitted through a brake system when the brake pedal is depressed is
brake pedal – master cylinder – brake lines – vacuum servo mechanism – brake pads
brake pedal – vacuum servo mechanism – master cylinder – brake lines – brake pads
brake pedal – master cylinder – vacuum servo mechanism – brake lines – brake pads
brake pedal – brake li
✅ The correct answer is option B.
13. In a four cylinder in-line engine, the number of firing strokes in one revolution of the crank is
1
2
3
4
✅ The correct answer is option B.
14. The function of oil-control rings is that it
lubricates the cylinder wall by releasing oil from its hole
keeps the cylinder wall lubricated by holding oil in its channel
prevents engine oil from going into the combustion chamber and returns excess lubricating oil off the cylinder wall through the return holes in the piston to the oil pan
maintains a seal and p
✅ The correct answer is option C.
15. The function of an oil control orifice is that it
returns cylinder head lubricating oil to the oil pan at high speed
turns oil into fine mist for spray lubrication
regulates the pressure of engine oil supplied by the oil pump for the lubrication of cylinder head mechanism and other purposes
removes impurities fro
✅ The correct answer is option C.
16. The characteristic that is enhanced by the use of cylinder sleeves is
cooling efficiency
resistance to wear
lubrication performance
none of these
✅ The correct answer is option B.
17. Which of the following parameter can be adjusted by modifying the tie-rod attachment length ?
Camber
Caster
Toe
Steering gear ratio
✅ The correct answer is option C.
18. In case of a Diesel car, the pressure at the end of compression is of the order of
15 bar
25 bar
35 bar
45 bar
✅ The correct answer is option D.
19. The materials used for cylinder block are
cast iron and steel
cast iron and aluminium alloy
steel and aluminium alloy
brass and steel
✅ The correct answer is option B.
20. During suction stroke, the inside pressure of cylinder is
more than the atmospheric pressure
less than the atmospheric pressure
equal to the atmospheric pressure
none of these
✅ The correct answer is option B.