Saskatchewan Commercial Drivers License Air Brakes Practice Test 3

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Created by Commercial Driver HQ

Saskatchewan Air Brakes Practice Test 3

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

1 / 20

To measure the time it takes to build up pressure in the air system, the engine should be idling between _______________.

2 / 20

The low air pressure warning device needs to be replaced or adjusted if it does not trigger at a minimum level of?

3 / 20

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

4 / 20

What is the best way to inspect an air compressor?

5 / 20

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

6 / 20

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

7 / 20

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

8 / 20

What does a governor do in an air brake system?

9 / 20

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

10 / 20

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

11 / 20

The pushrod stroke occurs when compressed air enters the?

12 / 20

Cut out pressure level must never exceed __________.

13 / 20

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

14 / 20

A vehicle should have wheel chocks or blocks securing it in place during inspection if...?

15 / 20

When brakes become overheated they also become?

16 / 20

Cut in pressure level must never fall below __________.

17 / 20

The spring brake is designed for which situation?

18 / 20

How long should it take for the air pressure to rise from 587kPa to 690 kPa after the pressure had fallen below 552 kPa?

19 / 20

A commercial vehicle with air brakes engaged must not lose air pressure faster than?

20 / 20

Where is the brake lining fastened?

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We do our best to keep the questions current and accurate. The testing centers 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 handbooks or learning materials your province provides.

DISCLAIMER: CDHQ is not affiliated with the provinces or any test centers. 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.