Quebec Commercial Drivers License Class 1 Practice Test 4

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 1 Practice Test 4

A 20 question practice test to help prepare you for the Class 1 knowledge test in Quebec

1 / 20

What does this sign mean?

2 / 20

Read tire tread depth must be more than ______.

3 / 20

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

4 / 20

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

5 / 20

The tallest your vehicle can be is?

6 / 20

Overheated brakes are?

7 / 20

What are the four factors that affect commercial vehicle stopping distance?

8 / 20

What does this sign tell you about parking?

9 / 20

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

10 / 20

When you turn 65, you now need to submit a medical report how often?

11 / 20

What does this sign mean?

12 / 20

What does this sign tell you about the cities named?

13 / 20

What does a trailers hand valve do?

14 / 20

What is an important part of connecting a trailer to a tractor?

15 / 20

The low air pressure warning device needs to be replaced or adjusted if it does not trigger at a minimum level of?

16 / 20

Which valves are the tractor protection system?

17 / 20

The spring brake is designed for which situation?

18 / 20

Driving a commercial vehicle on the road is?

19 / 20

What does a slider do on a trailer?

20 / 20

What is the gross weight of your vehicle?

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 78%


Did you pass the test? Find out what your next steps are with our Quebec Class 1 license guide

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.