New Brunswick Commercial Drivers License Class 3 Practice Test 2

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 2

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

1 / 20

Where are the air brake chambers located?

2 / 20

To measure the time it takes to build up pressure in the air system, the engine should be idling between _______________.

3 / 20

What should you do when the air brakes low pressure warning comes on?

4 / 20

What is a "glad hand"?

5 / 20

What is the wheel base of a vehicle?

6 / 20

Which piece of information needs to appear on your drivers log?

7 / 20

What does this sign tell you?

8 / 20

What colour are the lights on a school bus arm?

9 / 20

When can your vehicle be inspected on a highway?

10 / 20

What does this sign mean?

11 / 20

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

12 / 20

What is the purpose of the National Safety Code?

13 / 20

What does this sign tell you?

14 / 20

What does this sign mean?

15 / 20

A circle check is?

16 / 20

Which colour represent the trailer supply line?

17 / 20

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

18 / 20

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

19 / 20

When performing a normal stop, how should you press the brake pedal?

20 / 20

What does this sign mean near a roundabout?

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Your score is

The average score is 89%


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.