Nova Scotia Commercial Drivers License Air Brakes Practice Test 1

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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

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

2 / 20

What does a governor do in an air brake system?

3 / 20

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

4 / 20

Why are their two service tanks?

5 / 20

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

6 / 20

When can you adjust your own air brakes?

7 / 20

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

8 / 20

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

9 / 20

Which statement is true of spring brakes?

10 / 20

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

11 / 20

The pushrod stroke occurs when compressed air enters the?

12 / 20

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

13 / 20

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

14 / 20

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

15 / 20

What is the "cut in" level?

16 / 20

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

17 / 20

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

18 / 20

Where are the vehicles air tanks located?

19 / 20

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

20 / 20

Which colour represent the trailer supply line?

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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.