Quebec Commercial Drivers License Air Brakes Practice Test 3

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Created by Commercial Driver HQ

Quebec Air Brakes Practice Test 3

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

1 / 20

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

2 / 20

Where is the brake lining fastened?

3 / 20

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

4 / 20

Spring brake controls are usually what color?

5 / 20

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

6 / 20

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

7 / 20

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

8 / 20

The air system pressure range must be between _________.

9 / 20

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

10 / 20

What is an ABS system?

11 / 20

Activation of trailer spring brakes can be checked by?

12 / 20

Most air brake systems will use automatic valves to?

13 / 20

If brake chambers on opposite side of an axle are different sizes, this may cause?

14 / 20

What powers the air brakes air compressor system?

15 / 20

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

16 / 20

Which statement is true of spring brakes?

17 / 20

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

18 / 20

What does a governor do in an air brake system?

19 / 20

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

20 / 20

What might happen if the air lines are cross connected?

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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.