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

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

2 / 30

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

3 / 30

What can be used to gain a mechanical advantage?

4 / 30

Most brake linings should not exceed what temperature?

5 / 30

What is the source of compressed air called?

6 / 30

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

7 / 30

The heat produced is absorbed by what?

8 / 30

Most brake linings operate best at around what temperature?

9 / 30

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

10 / 30

A compressor is designed to pump air into what?

11 / 30

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

12 / 30

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

13 / 30

The compressor is driven by what?

14 / 30

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

15 / 30

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

16 / 30

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

17 / 30

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

18 / 30

What is meant by the unloading stage?

19 / 30

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

20 / 30

The distance required to stop a vehicle depends on what?

21 / 30

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

22 / 30

Too much heat in the brakes could result in what?

23 / 30

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

24 / 30

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

25 / 30

What is referred to as brake lag?

26 / 30

The friction between brake drums and linings generates what?

27 / 30

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

28 / 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?

29 / 30

Where does the heat that the brakes generates go to?

30 / 30

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

Your score is

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