Quebec Commercial Drivers License Class 3 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.

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Created by Commercial Driver HQ

Quebec Class 3 Practice Test 5

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

1 / 20

How do you define Gross Weight?

2 / 20

What colour will the road generally look in the winter time?

3 / 20

The air system pressure range must be between _________.

4 / 20

System air loss should be measured by applying the brake for how long?

5 / 20

The pushrod stroke occurs when compressed air enters the?

6 / 20

What is this sign used for?

7 / 20

Which of these significantly decreases the brake force produced at the wheel?

8 / 20

What does this speed sign mean?

9 / 20

A commercial vehicle with air brakes engaged must not lose air pressure faster than?

10 / 20

Which of these are indicators that you may have difficulty with the clearance under your vehicle?

11 / 20

When you license is suspended you _________.

12 / 20

Driving a commercial vehicle on the road is?

13 / 20

What is the gross weight of your vehicle?

14 / 20

What does this sign mean?

15 / 20

What is a requirement on your daily log?

16 / 20

What does this sign tell you about a roundabout?

17 / 20

What does this sign mean?

18 / 20

Trailer air brake systems must apply a spring brake when the pressure drops below?

19 / 20

Don't use the differential lock when __________?

20 / 20

If you are driving through snow and you see blue flashing lights up ahead, what do you do?

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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.