Quebec Commercial Drivers License Class 3 Practice Test 3

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.

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Created by Commercial Driver HQ

Quebec Class 3 Practice Test 3

A 20 question practice test to help prepare you for the Class 3 knowledge test in Quebec

1 / 20

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

2 / 20

If you see an open truck inspection station which driving your truck, you must?

3 / 20

What does this yellow diamond warning sign mean?

4 / 20

What does this sign mean?

5 / 20

What does a governor do in an air brake system?

6 / 20

Drivers need to perform a vehicle inspection every ________.

7 / 20

When a school bus is stopped, how far back must you keep your vehicle?

8 / 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?

9 / 20

When should you be ready to stop for a school bus?

10 / 20

When is a pre-trip inspection required?

11 / 20

What colour are the lights on a school bus arm?

12 / 20

What does this sign warn you of?

13 / 20

The maximum allowable height for a road vehicle is?

14 / 20

What is the wheel base of a vehicle?

15 / 20

What does this sign tell you?

16 / 20

When brakes become overheated they also become?

17 / 20

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

18 / 20

Where are the vehicles air tanks located?

19 / 20

What does this yellow sign mean?

20 / 20

To apply for a Class D license you must be?

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The average score is 81%


Ready to take the real knowledge test? Find out more about completing your Class 3 drivers license in Quebec

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.