New Brunswick Commercial Drivers License Air Brakes Practice Test 2

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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

New Brunswick Air Brakes Practice Test 2

A 20 question practice test to help prepare you for your air brakes knowledge test in New Brunswick

1 / 20

What is the most frequent reason a vehicle is removed from service?

2 / 20

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

3 / 20

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

4 / 20

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

5 / 20

What might happen if the air lines are cross connected?

6 / 20

When you are testing your spring brakes, the test is considered a success when?

7 / 20

Where is the air pressure gauge for the air brake system?

8 / 20

What is the "cut-out" level?

9 / 20

A vehicle should have wheel chocks or blocks securing it in place during inspection if...?

10 / 20

Th design of the wedge brake system allows them to?

11 / 20

What is not a factor in how well your air brake system works?

12 / 20

Which statement is true of spring brakes?

13 / 20

What does a governor do in an air brake system?

14 / 20

Where is the brake lining fastened?

15 / 20

Which colour represent the trailer supply line?

16 / 20

Manufactures recommend draining moisture and oil in an air system on a _______ basis.

17 / 20

Which can contaminate a brake systems air lines?

18 / 20

Finding a small bit of oil during an inspection is no cause for concern if its coming from the _____________?

19 / 20

Which of these significantly decreases the brake force produced at the wheel?

20 / 20

What is the "cut in" level?

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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.