Quebec Commercial Drivers License Class 4 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.

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Created by Commercial Driver HQ

Quebec Class 4 Practice Test 4

A 20 question practice test to help prepare you for the Class 4 knowledge test in Quebec

1 / 21

How often should you look at your mirrors?

2 / 21

If someone is following you too closely, what should you do?

3 / 21

When is it not necessary to do a shoulder check?

4 / 21

What should you do if your car starts to skid?

5 / 21

What does this sign warn you of?

6 / 21

What does this yellow diamond warning sign mean?

7 / 21

Why should you do a shoulder check when making a right turn?

8 / 21

What does this sign mean?

9 / 21

What are your space margins?

10 / 21

When performing a turnaround with a school bus, the correct procedure is to

11 / 21

What is a taxi?

12 / 21

What does this speed sign mean?

13 / 21

What is this signs purpose?

14 / 21

Which types of vehicles must carry fire extinguishers?

15 / 21

What does this sign warn you of?

16 / 21

What does this sign mean?

17 / 21

What license do you need to have before applying for a commercial drivers license in BC?

18 / 21

What does the sign below tell you?

19 / 21

Where does a large vehicle have blind spots?

20 / 21

What should you do when driving at night?

21 / 21

When driving with your high beams on, you see a car in the oncoming lane. When do you turn your high beams off?

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The average score is 83%


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.