Braking System MCQs

Question 1

As compared to drum brakes, disc brakes has

Accepted Answer

High resistance to fade

Answer

Same resistance to fade

Answer

Lower resistance to fade

Answer

No resistance to fade

Question 2

The parking brake usually operates on

Accepted Answer

Rear wheels

Answer

Front wheels

Answer

Left wheels

Answer

All the wheels

Question 3

If the car is moving on the level road at a speed of 50 km/h has a wheelbase 4 m, a distance of C. G. from ground 800 mm and distance from rear wheels is 1.2 m. Coefficient of friction is 0.8. What is the retardation if the brakes are applied to all wheels?

Accepted Answer

7.8 m/s2

Answer

6.8 m/s2

Answer

5.8 m/s2

Answer

4.8 m/s2

Question 4

The ventilated disc brake is a disc brake in which

Accepted Answer

Disc contains radial vanes between its rubbing surfaces for optimum cooling performance

Answer

A duct directs air towards the caliper for cooling while the vehicle is moving

Answer

Caliper is covered with cooling fins

Answer

Disc contains many small holes for optimum cooling performance

Question 5

The sequence in which the force is transmitted through front brakes in a hydraulic brake system is

Accepted Answer

Brake pedal - Brake booster - Master cylinder - Brake lines - Brake calipers

Answer

Brake pedal - Master cylinder - Brake lines - Brake booster - Brake calipers

Answer

Brake pedal - Master cylinder - Brake booster - Brake lines - Brake calipers

Answer

Brake pedal - Brake lines - Brake booster - Master cylinder - Brake calipers

Question 6

Which of the following phenomenon occurs during braking action?

Accepted Answer

Conversion of kinetic energy to heat energy

Answer

Conversion of heat energy to kinetic energy

Answer

Accumulation of energy

Answer

none of the above

Question 7

On what principle does the braking system in the car work?

Accepted Answer

Frictional force

Answer

Gravitational force

Answer

Magnetic force

Answer

Electric force

Question 8

The hand brake of the automobile is usually

Accepted Answer

External contracting brake

Answer

Internal expanding brake

Answer

Disc brake

Answer

All of the above

Question 9

ABS function requires measurement of

Accepted Answer

Wheel rotation

Answer

Torque

Answer

Temperature

Answer

Camber