BC Commercial Drivers License Class 3 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

BC Class 3 Practice Test 1

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

1 / 20

Why is it important to know where your air system releases air pressure from?

2 / 20

Most air brake systems will use automatic valves to?

3 / 20

When is a pre-trip inspection required?

4 / 20

What is the purpose of the National Safety Code?

5 / 20

What gauges should you check after starting your vehicle?

6 / 20

Which of these is not part of an air brake system?

7 / 20

What does this sign tell you?

8 / 20

Manufactures recommend draining moisture and oil in an air system on a _______ basis.

9 / 20

What powers the air brakes air compressor system?

10 / 20

What must you do at a stop sign with a painted stop line?

11 / 20

Before driving down a grade (hill), you should?

12 / 20

What does this yellow sign mean?

13 / 20

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

14 / 20

How many off duty hours must a driver have in a day?

15 / 20

Don't use the differential lock when __________?

16 / 20

What does this sign tell you?

17 / 20

What does this sign tell you about commercial vehicles?

18 / 20

What is a vehicle's danger zone?

19 / 20

What is the service brake used for?

20 / 20

What does this sign mean?

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The average score is 78%

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Ready to take the real knowledge test? Find out more about completing your Class 3 drivers license in BC

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.