PEI Commercial Drivers License Air Brakes Practice Test 4

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Each license type has 5 tests to help you study and become familiar with the rules and regulations of commercial driving. The tests are not identical to the license test you will need to pass, but the questions are similar to what you will find on the real deal.

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PEI Air Brakes Practice Test 4

A 20 question practice test to help prepare you for your air brakes knowledge test in PEI

1 / 20

What should you do when the air brakes low pressure warning comes on?

2 / 20

What is a "glad hand"?

3 / 20

Correct belt tension for an air compressor can be determined by

4 / 20

Manufactures recommend draining moisture and oil in an air system on a _______ basis.

5 / 20

What is the service brake used for?

6 / 20

What is the "cut in" level?

7 / 20

What is the "cut-out" level?

8 / 20

What is the first thing to look at when inspecting an air brake system?

9 / 20

How do you engage the emergency / parking brake on most air brake systems?

10 / 20

What is the best way to inspect an air compressor?

11 / 20

You test a tractor protection valve by removing the service line and?

12 / 20

Finding a small bit of oil during an inspection is no cause for concern if its coming from the _____________?

13 / 20

Test the low pressure alarm with the air pressure above __________.

14 / 20

What might happen if the air lines are cross connected?

15 / 20

What is the most frequent reason a vehicle is removed from service?

16 / 20

If the outer layer of an airline is damaged, but the inner layer is ok, what should you do?

17 / 20

Which statement is true of spring brakes?

18 / 20

Where is the brake lining fastened?

19 / 20

What function does the alcohol evaporator perform?

20 / 20

How long should it take for the air pressure to rise from 587kPa to 690 kPa after the pressure had fallen below 552 kPa?

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We do our best to keep the questions current and accurate. The testing centres may change the questions on the knowledge tests at any time. Always be prepared for surprises.

Many of the answers to the questions can be found in the driver hand books or learning materials your province provides.

DISCLAIMER:CDHQ is not affiliated with the provinces or any test centres. These practice tests should not be considered official tests and you are not granted a license for completing them. Our tests are simply a practice tool to help prepare yourself for the real test.