BC Air Brake Practice Test 02

Once you feel confident in your knowledge, take the BC air brake practice test to gauge your preparedness. This test simulates the official exam and provides you with an opportunity to practice answering questions in a timed environment. The more you practice, the better you’ll perform on the official test.

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BC Air Brake Test 02

1 / 30

Once the air is compressed, where does it go?

2 / 30

The slack adjuster, besides adjusting for brake wear, does what?

3 / 30

What do brake shoe return springs do?

4 / 30

Safety valves are normally set to vent the excess pressure at approximately how many psi?

5 / 30

How quickly must the compressor be capable of building pressure in the reservoirs from 50 psi to 90 psi?

6 / 30

What restarts the compressor?

7 / 30

Where is the compressor mounted?

8 / 30

Why is the supply reservoir often called the wet tank?

9 / 30

Can compressed air be dangerous if it escapes?

10 / 30

When air pressure is applied to the brake chamber diaphragm, what happens?

11 / 30

The compressor is capable of compressing air up to how much?

12 / 30

The governor must be set to allow the compressor to resume compressing air if the air pressure drops below how much psi?

13 / 30

What is used to adjust the brakes to compensate for brake lining and brake drum wear?

14 / 30

What is used to ensure the compressor receives clear air?

15 / 30

Most current air brake systems operate with a maximum pressure of how much psi?

16 / 30

What happens to the temperature of the air when it's compressed?

17 / 30

How does the compressor get air?

18 / 30

What are reservoirs made of?

19 / 30

. When enough pressure has been built up, the governor causes the compressor to go into what stage?

20 / 30

What does a safety valve on the first reservoir do?

21 / 30

A belt, like a fan belt, drives some compressors. How do you check the belt tension?

22 / 30

What is the job of the governor?

23 / 30

How do you know if the tension needs to be adjusted?

24 / 30

Even though truck air brake system pressures are 100 psi and above, what lower air application pressure is used to make normal stops?

25 / 30

What causes the water in the reservoir tank to become a grey sludge?

26 / 30

What is the temperature of the air when it leaves the compressor?

27 / 30

What is the most popular type of foundation brake called?

28 / 30

What is the compressor is usually lubricated with?

29 / 30

The range between minimum and maximum pressure should be approximately how much?

30 / 30

What is another name for the safety valve?

Your score is

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