Quebec Commercial Drivers License Class 1 Practice Test 1

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 1 Practice Test 1

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

1 / 20

After an inspection you find major defects in some parts, what do you do?

2 / 20

What is the wheel base of a vehicle?

3 / 20

What colour are the lights on a school bus arm?

4 / 20

What does this sign mean?

5 / 20

When curving left, what should you do to ensure the back wheels stay in your lane?

6 / 20

Most air brake systems will use automatic valves to?

7 / 20

When inspecting an air brake system, the person inspecting should wear?

8 / 20

What is the most common cause of air loss in a trailer?

9 / 20

Where are the air brake chambers located?

10 / 20

The best way to reduce rough and abrupt braking is to?

11 / 20

How do you fix a leaky glad hand?

12 / 20

What does this sign tell you?

13 / 20

When backing up a to a trailer, align the 5th wheel slot with?

14 / 20

What does this sign tell you?

15 / 20

What does this plate style sign mean?

16 / 20

What is a Quebec T-Endorsement?

17 / 20

What do you do if you get stuck over railway tracks?

18 / 20

Which piece of information needs to appear on your drivers log?

19 / 20

The maximum allowable height for a road vehicle is?

20 / 20

What should a trailer hand valve be used for?

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The average score is 80%


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.