Automobile Engineering MCQs

Question 1

The ball joints are used on the tie rod ends, because they

Accepted Answer

Can deal with movement of the suspension both vertically and in other directions

Answer

Reduce the amount of noise generated

Answer

Reduce the amount of sliding resistance

Answer

Improve the force transmission speed

Question 2

The heat transfer from coolant to air in the radiator of an automobile engine takes place by

Accepted Answer

Convection and radiation

Answer

Radiation only

Answer

Convention only

Answer

Conduction, convection and radiation

Question 3

The function of a radiator fan in the cooling system is that

Accepted Answer

It blows air through the radiator when necessary

Answer

It is turned by wind force as the vehicle moves forward, and its rotation drives the water pump

Answer

It cools the engine by blowing air onto the cylinder block

Answer

It draws heat out of the engine compartment

Question 4

A basic difference between the spark ignition engine and the Diesel engine is that the

Accepted Answer

All of the above

Answer

Diesel engine compresses air alone instead of an air-fuel mixture

Answer

Air temperature ignites the fuel in the Diesel engine

Answer

Fuel is sprayed into the combustion chamber in the Diesel engine as the piston nears T.D.C. on the compression stroke

Question 5

The main function of intake manifold is that it

Accepted Answer

Distributes intake air equally to the cylinders

Answer

Promotes the mixture of air and fuel

Answer

Reduces intake noise

Answer

Cools the intake air to a suitable temperature

Question 6

The clutch is located between the transmission and the

Accepted Answer

Engine

Answer

Rear axle

Answer

Propeller shaft

Answer

Differential

Question 7

If a tyre is designated as 175/65 R-14 82-S, then the aspect ratio for the tyre is

Accepted Answer

65

Answer

175

Answer

14

Answer

82

Question 8

The component that connects the steering rack to the knuckles is

Accepted Answer

Tie rod

Answer

Sector gear

Answer

Pivot

Answer

Spline

Question 9

The painting of automobiles is done to

Accepted Answer

All of these

Answer

Prevent rust from growing on the body

Answer

Improve its external appearance

Answer

Retain the characteristics of steel for long