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.

Compatible on desktop, mobile, and tablet, you can take these tests anywhere you have internet access.

Take the practice test!

0%
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

What powers the air brakes air compressor system?

2 / 20

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

3 / 20

Cut out pressure level must never exceed __________.

4 / 20

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

5 / 20

Which colour represent the trailer supply line?

6 / 20

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

7 / 20

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

8 / 20

What is the "cut in" level?

9 / 20

What is the best way to inspect an air compressor?

10 / 20

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

11 / 20

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

12 / 20

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

13 / 20

What is a "glad hand"?

14 / 20

The pushrod stroke occurs when compressed air enters the?

15 / 20

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

16 / 20

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

17 / 20

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

18 / 20

Th design of the wedge brake system allows them to?

19 / 20

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

20 / 20

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

Thanks for taking the practice test!

Enter your info to sign up for our mailing list or click "See Result" to move on.

Your score is

The average score is 80%

0%

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.