Saskatchewan Commercial Drivers License Class 3 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.

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Created by Commercial Driver HQ

Saskatchewan Class 3 Practice Test 4

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

1 / 20

The maximum allowable height for a road vehicle is?

2 / 20

Where are the vehicles air tanks located?

3 / 20

Tired drivers are often compared to?

4 / 20

The spring brake is designed for which situation?

5 / 20

Who can install and repair wheels and tires?

6 / 20

Which belt should you check during your pre-trip inspection?

7 / 20

What does this sign mean?

8 / 20

What does a governor do in an air brake system?

9 / 20

Driving a commercial vehicle on the road is?

10 / 20

How much space should you give a cyclist when you pass them?

11 / 20

What does this parking sign mean?

12 / 20

Where are the air brake chambers located?

13 / 20

What is a requirement on your daily log?

14 / 20

If you drive past a weight station, how many days can your license be suspended for?

15 / 20

How do you engage the emergency / parking brake on most air brake systems?

16 / 20

What does this yellow diamond sign mean?

17 / 20

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

18 / 20

What does this yellow sign mean?

19 / 20

If you see an open truck inspection station which driving your truck, you must?

20 / 20

What does this rectangle sign mean?

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The average score is 85%


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.