Air Brake Practice Test 01

Taking the free Air Brake Practice Test is an essential step towards passing your official exam with flying colors. This test is designed to assess your knowledge of air brake systems and ensure that you are well-prepared for the actual exam.

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Air Brake Practice Test 01

1 / 30

The compressor is driven by what?

2 / 30

Most brake linings operate best at around what temperature?

3 / 30

If the speed is doubled, the braking force must be what in order to stop in the same distance?

4 / 30

What is referred to as brake lag?

5 / 30

When enough friction is created between the brake lining and the drums, what happens?

6 / 30

The amount of heat the brake drums can absorb depends on what?

7 / 30

What is the source of compressed air called?

8 / 30

Compressed air is used to transmit what in an air brake system?

9 / 30

Most brake linings should not exceed what temperature?

10 / 30

What is another word for the air that is squeezed into a smaller space?

11 / 30

The heat produced is absorbed by what?

12 / 30

What is meant by the unloading stage?

13 / 30

In vehicles where the compressor is driven by belts, they should be checked for what?

14 / 30

Braking systems use devices to gain a mechanical advantage with the most common device for this purpose being what?

15 / 30

If the weight is doubled, the braking force must be what to be able to stop in the same distance?

16 / 30

At what minimum psi is it not necessary for the compressor to pump air?

17 / 30

Too much heat in the brakes could result in what?

18 / 30

What controls the minimum and maximum air pressure in the system by controlling when the compressor pumps air?

19 / 30

Which statement is false? Stopping distance consists of..,

20 / 30

At what maximum psi is it not necessary for the compressor to pump air?

21 / 30

What happens if one or two of the wheels had brakes that were not properly adjusted?

22 / 30

The friction between brake drums and linings generates what?

23 / 30

When weight and speed are both doubled, the braking force must what in order be to be able to stop in the same distance?

24 / 30

Which statement is false? A basic air brake system capable of stopping a vehicle has main components, including...

25 / 30

If the vehicle had six wheels, each wheel would have to provide how much of the braking force?

26 / 30

The distance required to stop a vehicle depends on what?

27 / 30

Where does the heat that the brakes generates go to?

28 / 30

The time it takes from the momenta hazard is recognized to the time the brake is applied is approximately how much?

29 / 30

A compressor is designed to pump air into what?

30 / 30

What can be used to gain a mechanical advantage?

Your score is

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