Newfoundland Commercial Drivers License Air Brakes Practice Test 4

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!

0%
Created by Commercial Driver HQ

Newfoundland Air Brakes Practice Test 4

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

1 / 20

Where is the brake lining fastened?

2 / 20

Which of these significantly decreases the brake force produced at the wheel?

3 / 20

What is the "cut in" level?

4 / 20

What is an ABS system?

5 / 20

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

6 / 20

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

7 / 20

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

8 / 20

Doing this will put unnecessary strain on your vehicles braking system.

9 / 20

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

10 / 20

The air system pressure range must be between _________.

11 / 20

Spring brakes will begin to apply when the pressure starts to drop below?

12 / 20

When can you adjust your own air brakes?

13 / 20

Cut in pressure level must never fall below __________.

14 / 20

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

15 / 20

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

16 / 20

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

17 / 20

A warning system must alert the driver when the pressure drops below?

18 / 20

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

19 / 20

What is the "cut-out" level?

20 / 20

Which colour represent the trailer supply line?

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 85%

0%

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.