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

What is the source of compressed air called?

2 / 30

The heat produced is absorbed by what?

3 / 30

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

4 / 30

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

5 / 30

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

6 / 30

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

7 / 30

What is referred to as brake lag?

8 / 30

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

9 / 30

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

10 / 30

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

11 / 30

Most brake linings operate best at around what temperature?

12 / 30

A compressor is designed to pump air into what?

13 / 30

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

14 / 30

What can be used to gain a mechanical advantage?

15 / 30

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

16 / 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?

17 / 30

The friction between brake drums and linings generates what?

18 / 30

What is meant by the unloading stage?

19 / 30

The distance required to stop a vehicle depends on what?

20 / 30

Most brake linings should not exceed what temperature?

21 / 30

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

22 / 30

Too much heat in the brakes could result in what?

23 / 30

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

24 / 30

Where does the heat that the brakes generates go to?

25 / 30

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

26 / 30

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

27 / 30

The compressor is driven by what?

28 / 30

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

29 / 30

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

30 / 30

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

Your score is

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