New Brunswick 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

New Brunswick Class 3 Practice Test 4

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

1 / 20

Spring brake controls are usually what color?

2 / 20

Doing this will put unnecessary strain on your vehicles braking system.

3 / 20

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

4 / 20

If the outer layer of an airline is damaged, but the inner layer is ok, what should you do?

5 / 20

At vehicle inspection stations, axles are inspected for?

6 / 20

What does this sign tell you?

7 / 20

What does this yellow sign mean?

8 / 20

What does this sign mean?

9 / 20

Overheated brakes are?

10 / 20

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

11 / 20

Class D license holders under age 80 must pass a knowledge and vision test every?

12 / 20

What colour will the road generally look in the winter time?

13 / 20

What is the correct use of an ABS system during a braking emergency?

14 / 20

What does this sign warn you of?

15 / 20

What does this yellow sign mean?

16 / 20

Who can perform adjustments and maintenance on your air brake system?

17 / 20

Which of these are indicators that you may have difficulty with the clearance under your vehicle?

18 / 20

If your speed increases too much while going down a hill, what should you do?

19 / 20

When going down hills you should?

20 / 20

What is an ABS system?

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The average score is 85%


Want to know more? Learn all about getting your Class 3 drivers license in New Brunswick

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.