Nova Scotia Commercial Drivers License Air Brakes Practice Test 1

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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

Nova Scotia Air Brakes Practice Test 1

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

1 / 20

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

2 / 20

Spring brakes will begin to apply when the pressure starts to drop below?

3 / 20

Which statement is true of spring brakes?

4 / 20

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

5 / 20

What is the "cut in" level?

6 / 20

What does a governor do in an air brake system?

7 / 20

When can you adjust your own air brakes?

8 / 20

Why are their two service tanks?

9 / 20

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

10 / 20

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

11 / 20

Which colour usually means the air line is a service line?

12 / 20

Which type of trailer can be towed before the service tanks are full?

13 / 20

Before inspecting for air brake chamber leaks, you must __________.

14 / 20

Trailer air brake systems must apply a spring brake when the pressure drops below?

15 / 20

You test a tractor protection valve by removing the service line and?

16 / 20

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

17 / 20

Which colour represent the trailer supply line?

18 / 20

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

19 / 20

Where are the vehicles air tanks located?

20 / 20

The pushrod stroke occurs when compressed air enters the?

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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.