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.

Take the practice test!

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

What colour are the lights on a school bus arm?

2 / 20

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

3 / 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?

4 / 20

What does this yellow diamond warning sign mean?

5 / 20

What is the wheel base of a vehicle?

6 / 20

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

7 / 20

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

8 / 20

What does this sign mean?

9 / 20

When is a pre-trip inspection required?

10 / 20

What does this sign warn you of?

11 / 20

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

12 / 20

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

13 / 20

Where are the vehicles air tanks located?

14 / 20

What does a governor do in an air brake system?

15 / 20

Drivers need to perform a vehicle inspection every ________.

16 / 20

To apply for a Class D license you must be?

17 / 20

What does this sign tell you?

18 / 20

What does this yellow sign mean?

19 / 20

The maximum allowable height for a road vehicle is?

20 / 20

When brakes become overheated they also become?

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 84%


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.