Manitoba 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.

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

Manitoba Class 3 Practice Test 4

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

1 / 20

What is brake lag time?

2 / 20

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

3 / 20

What emergency items are required in a commercial vehicle?

4 / 20

When brakes become overheated they also become?

5 / 20

What does this yellow sign mean?

6 / 20

You test a tractor protection valve by removing the service line and?

7 / 20

What does this rectangle sign mean?

8 / 20

You should be looking for this when checking your brake chambers?

9 / 20

Which of these vehicle driver’s are exempt from the Hours of Service Regulations?

10 / 20

What does this orange sign mean?

11 / 20

How many previous days must a drivers log keep track of?

12 / 20

What is Gross Vehicle Weight Rating?

13 / 20

When should you be ready to stop for a school bus?

14 / 20

What does this sign mean?

15 / 20

What does this sign mean?

16 / 20

If brake chambers on opposite side of an axle are different sizes, this may cause?

17 / 20

Once you've started driving, when should you check your brakes?

18 / 20

Driving a commercial vehicle on the road is?

19 / 20

What is the first step of the pre-trip?

20 / 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?

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Your score is

The average score is 89%


Time to take the real test? Learn more about this step and the others with our Manitoba Class 3 drivers license guide

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.