PEI Commercial Drivers License Air Brakes Practice Test 3

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Our FREE practice tests are designed to help you succeed when it comes time to write the real test.

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

PEI Air Brakes Practice Test 3

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

1 / 20

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

2 / 20

The best way to reduce rough and abrupt braking is to?

3 / 20

When can you adjust your own air brakes?

4 / 20

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

5 / 20

Why are their two service tanks?

6 / 20

Who can perform adjustments and maintenance on your air brake system?

7 / 20

The air system pressure range must be between _________.

8 / 20

What is an ABS system?

9 / 20

What happens to the air valve when you press down the brake?

10 / 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?

11 / 20

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

12 / 20

What is the best way to inspect an air compressor?

13 / 20

What is the first thing to look at when inspecting an air brake system?

14 / 20

Which colour represent the trailer supply line?

15 / 20

Where are the vehicles air tanks located?

16 / 20

Where is the brake lining fastened?

17 / 20

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

18 / 20

Which of these is not part of an air brake system?

19 / 20

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

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.