PEI Commercial Drivers License Air Brakes Practice Test 2

Commercial Driver HQ is a website focused on helping new commercial drivers in all provinces and territories in Canada.

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.

Compatible on desktop, mobile, and tablet, you can take these tests anywhere you have internet access.

Take the practice test!

Created by Commercial Driver HQ

PEI Air Brakes Practice Test 2

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

1 / 20

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

2 / 20

When you are testing your spring brakes, the test is considered a success when?

3 / 20

If the outer layer of an airline is damaged, but the inner layer is ok, what should you do?

4 / 20

What function does the alcohol evaporator perform?

5 / 20

What can cause the air pressure in the air brake system to drop?

6 / 20

The pushrod stroke occurs when compressed air enters the?

7 / 20

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

8 / 20

Where are the air brake chambers located?

9 / 20

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

10 / 20

When you are going twice the speed, your brakes will need to work ________ time harder to stop your vehicle.

11 / 20

What should you do when the air brakes low pressure warning comes on?

12 / 20

Test the low pressure alarm with the air pressure above __________.

13 / 20

Any commercial vehicle with air brakes must not lose system pressure with the brakes applied at a rate of more than?

14 / 20

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

15 / 20

Correct belt tension for an air compressor can be determined by

16 / 20

What does a governor do in an air brake system?

17 / 20

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

18 / 20

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

19 / 20

When inspecting an air brake system, the person inspecting should wear?

20 / 20

Which statement is true of spring brakes?

Thanks for taking the practice test!

Enter your info to sign up for our mailing list or click "See Result" to move on.

Your score is

The average score is 78%


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.