Automobile Engine MCQs

Question 1

Which of the following is the function of piston?

Accepted Answer

Both A and B

Answer

In exhaust stroke it pushed out exhaust gases

Answer

It works as a guide for the upper part of connecting rod

Answer

None of the above

Question 2

The spark occurs when the

Accepted Answer

Increased dwell

Answer

Points close

Answer

Ignition switch is on

Answer

None of the above

Question 3

Which of the following parameter can be adjusted by modifying the tie rod attachment length?

Accepted Answer

Toe

Answer

Camber

Answer

Caster

Answer

Steering gear ratio

Question 4

What is the cause of poor braking?

Accepted Answer

Both are correct

Answer

Wet brake lining

Answer

Burnt or worn out linings

Answer

None of these

Question 5

What is the function of brake lining?

Accepted Answer

Both are correct

Answer

To increase the co-efficient of friction

Answer

To prevent wearing away of the metal

Question 6

At present the average octane rating of regular grade gasoline is-

Accepted Answer

93 - 94

Answer

5 - 9

Answer

100 - 120

Answer

120 - 140

Question 7

When the clutch is engaged, spring pressure clamps the friction disc between the pressure plate and the

Accepted Answer

Flywheel

Answer

Differential

Answer

Reaction plate

Answer

Clutch pedal

Question 8

In the case of brake linings saturants and bonding materials are used to

Accepted Answer

Facilitate moulding and curing of brake linings

Answer

To improve the heat dissipating capacity of linings

Answer

To give a constant coefficient of friction up to 800°C

Answer

To make the lining material impervious to moisture and oil and to ensure a steady coefficient of friction up to 3000°C

Question 9

A semi conductor is a material with

Accepted Answer

Exactly four electrons in its outermost orbit

Answer

More than four electrons in its outermost orbit

Answer

Less than four electrons in its outermost orbit

Answer

None of these