Automobile Engine MCQs

Question 1

Which of the following is correct?

Accepted Answer

$$I\,H\,P = {{P\,L\,A\,N\,n} \over {70 	imes 60}}$$

Answer

$$I\,H\,P = {{P\,L\,A\,N\,n} \over {20 	imes 30}}$$

Answer

$$I\,H\,P = {{P\,L\,A\,N\,n} \over {20 	imes 10}}$$

Answer

$$I\,H\,P = {{P\,L\,A\,N\,n} \over {10 	imes 10}}$$

Question 2

Brake fade is

Accepted Answer

Loss of cefficient of friction

Answer

Loss of pedal

Answer

Loss of hydraulic fluid

Answer

None of these

Question 3

As the load on the vehicle increase it demands

Accepted Answer

Increased braking torque

Answer

Decreased braking torque

Answer

Same braking torque

Answer

Same RPM

Question 4

In starter motor the field coils are wound around

Accepted Answer

Pole shoes

Answer

Commutator

Answer

Yoke

Answer

None of the above

Question 5

In a torque converter maximum torque multiplication occurs at

Accepted Answer

Stop

Answer

Low speed

Answer

Medium speed

Answer

High speed

Question 6

The function of the relay valve in a compressed air brake system is to

Accepted Answer

Limit the maximum pressure reached in brake chambers

Answer

Relieve air pressure in brake chambers when it reaches a maximum value

Answer

Reduce the effort required at the brake pedal

Answer

Speed up the supply of air to brake chambers located at a distance from brake valve

Question 7

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

Accepted Answer

Vaporization

Answer

Atomization

Answer

Both

Question 8

Maximum permissible bearing clearance for the cmashaft is usually

Accepted Answer

0.05 mm

Answer

0.15 mm

Answer

0.5 mm

Answer

1.5 mm

Question 9

Requirements of a good braking system is-

Accepted Answer

Brake should have less wearing parts

Answer

Brake should be beauty

Answer

Brake should be noisy

Answer

All are correct