Explore topic-wise MCQs in Automobile Engineering.

This section includes 365 Mcqs, each offering curated multiple-choice questions to sharpen your Automobile Engineering knowledge and support exam preparation. Choose a topic below to get started.

351.

The main function of intake manifold is that it

A. promotes the mixture of air and fuel
B. reduces intake noise
C. cools the intake air to a suitable temperature
D. distributes intake air equally to the cylinders
Answer» E.
352.

The flywheel and the pressure plate bind the clutch disc between them so that the engine and the transmission can be engaged.

A. Yes
B. No
C. -
D. -
Answer» B. No
353.

In a spark plug, when the temperature of the central electrode exceeds a certain temperature, any carbon that has adhered will be burnt off, and the temperature at which this burning off carbon starts is referred to as the self cleaning temperature.

A. Correct
B. Incorrect
C. -
D. -
Answer» B. Incorrect
354.

In radial tyres

A. one ply layer runs diagonally one way and another layer runs diagonally the other way
B. all plies run parallel to one another and vertical to tyre bead
C. inner tubes are always used
D. none of these
Answer» C. inner tubes are always used
355.

The torque available at the contact between driving wheels and road is known as

A. brake effort
B. tractive effort
C. clutch effort
D. none of these
Answer» C. clutch effort
356.

In a unit type body (frameless body) design, the sheet metal parts are welded together, forming a frame work to which outer skin is attached.

A. True
B. False
C. -
D. -
Answer» B. False
357.

Incorrect steering axis inclination (S.A.I.) causes

A. tendency to assume toe-out orientation
B. generation of a braking effect at tight corners
C. poor recovery of the steering wheel after making a turn
D. the vehicle to pull to the side of lesser inclination
Answer» D. the vehicle to pull to the side of lesser inclination
358.

It is necessary to maintain the valve clearances as they

A. reduce the resistance to sliding that occurs between the cam and the tappet
B. allow for lengthening of the valves owing to the heat of combustion
C. increase the speed at which the valves move up and down
D. make the crankshaft turn smoothly
Answer» C. increase the speed at which the valves move up and down
359.

What type of bearing is used for main bearings and connecting rod bearings ?

A. Ballbearings
B. Plain bearings
C. Needle roller bearing
D. Taper roller bearing
Answer» C. Needle roller bearing
360.

A clutch is usually designed to transmit maximum torque which is

A. equal to the maximum engine torque
B. 80 per cent of the maximum engine torque
C. 150 per cent of the maximum engine torque
D. none of these
Answer» D. none of these
361.

Which of the following symptom is caused as a result of brake disc run out ?

A. Ineffectiveness of the brakes
B. Judder during braking
C. Localized wearing of the brake pads
D. Rapid wearing of the brake pads
Answer» C. Localized wearing of the brake pads
362.

The motion of the cam is transferred to the valves through

A. pistons
B. rocker arms
C. camshaft pulley
D. valve stems
Answer» C. camshaft pulley
363.

A baffle plate is fitted inside the oil pan to prevent the oil from splashing when it is subjected to vibration and other movement during vehicle operation.

A. True
B. False
C. -
D. -
Answer» B. False
364.

The portion of a crankshaft which rests on cylinder block is called main journal.

A. Yes
B. No
C. -
D. -
Answer» B. No
365.

The condition that causes vapour locking in a brake system is

A. overheating of the fluid due to frequent brake application
B. overcooling of the brakes during high speed driving
C. keeping the vehicle without use for an extended period
D. an excessively high engine speed on a downhill road
Answer» B. overcooling of the brakes during high speed driving