Nova Scotia Commercial Drivers License Air Brakes Practice Test 4

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Created by Commercial Driver HQ

Nova Scotia Air Brakes Practice Test 4

A 20 question practice test to help prepare you for your air brakes knowledge test in Nova Scotia

1 / 20

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

2 / 20

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

3 / 20

What might happen if the air lines are cross connected?

4 / 20

Which tank should be drained first when draining the air tanks on an air brake system?

5 / 20

Most air brake systems will use automatic valves to?

6 / 20

What happens to the air valve when you press down the brake?

7 / 20

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

8 / 20

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

9 / 20

What is the "cut-out" level?

10 / 20

Which of these vehicles would usually have an air brake system?

11 / 20

Why is it important to know where your air system releases air pressure from?

12 / 20

What function does the alcohol evaporator perform?

13 / 20

How much air loss is allowed for a tractor and a trailer when the brakes are engaged?

14 / 20

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

15 / 20

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

16 / 20

Which statement is true of spring brakes?

17 / 20

Which can contaminate a brake systems air lines?

18 / 20

System air loss should be measured by applying the brake for how long?

19 / 20

What is the "cut in" level?

20 / 20

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

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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.