Alberta 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

Alberta Class 3 Practice Test 1

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

1 / 20

What does this sign mean?

2 / 20

What is not a factor in how well your air brake system works?

3 / 20

What is the purpose of the National Safety Code?

4 / 20

What does this sign mean?

5 / 20

Why are their two service tanks?

6 / 20

What does this yellow diamond sign mean?

7 / 20

When is a pre-trip inspection required?

8 / 20

Don't use the differential lock when __________?

9 / 20

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

10 / 20

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

11 / 20

How long should it take for the air pressure to rise from 587kPa to 690 kPa after the pressure had fallen below 552 kPa?

12 / 20

What does this sign mean?

13 / 20

When brakes become overheated they also become?

14 / 20

What gauges should you check after starting your vehicle?

15 / 20

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

16 / 20

Which colour represent the trailer supply line?

17 / 20

Correct belt tension for an air compressor can be determined by

18 / 20

What does this white sign mean?

19 / 20

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

20 / 20

How many classes of dangerous goods are there?

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Ready to finish earning your license? Walk through your final steps with our guide to obtaining your Class 3 license in Alberta

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.