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

Most air brake systems will use automatic valves to?

2 / 20

Where is the brake lining fastened?

3 / 20

What powers the air brakes air compressor system?

4 / 20

What might happen if the air lines are cross connected?

5 / 20

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

6 / 20

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

7 / 20

Which statement is true of spring brakes?

8 / 20

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

9 / 20

The air system pressure range must be between _________.

10 / 20

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

11 / 20

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

12 / 20

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

13 / 20

Spring brake controls are usually what color?

14 / 20

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

15 / 20

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

16 / 20

Activation of trailer spring brakes can be checked by?

17 / 20

What does a governor do in an air brake system?

18 / 20

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

19 / 20

What is an ABS system?

20 / 20

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

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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.