New Brunswick Commercial Drivers License Class 3 Practice Test 3

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 3

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

1 / 20

Drivers need to perform a vehicle inspection every ________.

2 / 20

What does this red sign mean?

3 / 20

To make sure the air tanks are securely attached to the vehicle you should?

4 / 20

After loading a dump truck, what must you do before moving the vehicle?

5 / 20

Which can contaminate a brake systems air lines?

6 / 20

The best way to reduce rough and abrupt braking is to?

7 / 20

What is the service brake used for?

8 / 20

Why are their two service tanks?

9 / 20

When brakes become overheated they also become?

10 / 20

Looking at your laptop while driving is _____?

11 / 20

When is an engine retarder most efficient?

12 / 20

What does this sign mean?

13 / 20

What does this square sign mean?

14 / 20

What does this yellow sign mean?

15 / 20

What is this sign for?

16 / 20

What emergency items are required in a commercial vehicle?

17 / 20

What is the wheel base of a vehicle?

18 / 20

What are the four factors that affect commercial vehicle stopping distance?

19 / 20

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

20 / 20

When backing up to unload a dump truck, what should you do?

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The average score is 86%


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.