Quebec Commercial Drivers License Air Brakes Practice Test 5

Commercial Driver HQ is a website focused on helping new commercial drivers in all provinces and territories in Canada.

Our FREE practice tests are designed to help you succeed when it comes time to write the real test.

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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Created by Commercial Driver HQ

Quebec Air Brakes Practice Test 5

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

1 / 20

Who can perform adjustments and maintenance on your air brake system?

2 / 20

What powers the air brakes air compressor system?

3 / 20

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

4 / 20

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

5 / 20

Th design of the wedge brake system allows them to?

6 / 20

The pushrod stroke occurs when compressed air enters the?

7 / 20

Cut out pressure level must never exceed __________.

8 / 20

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

9 / 20

The supply tank should discharge more moisture than any other tank?

10 / 20

What is the "cut in" level?

11 / 20

A vehicle should have wheel chocks or blocks securing it in place during inspection if...?

12 / 20

What is the best way to inspect an air compressor?

13 / 20

Which colour represent the trailer supply line?

14 / 20

When you are testing your spring brakes, the test is considered a success when?

15 / 20

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

16 / 20

To measure the time it takes to build up pressure in the air system, the engine should be idling between _______________.

17 / 20

A warning system must alert the driver when the pressure drops below?

18 / 20

How much air loss is allowed for a tractor and a trailer when the brakes are engaged?

19 / 20

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

20 / 20

What is a "glad hand"?

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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.