Newfoundland Commercial Drivers License Class 3 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!

Created by Commercial Driver HQ

Newfoundland Class 3 Practice Test 4

A 20 question practice test to help prepare you for the Class 3 knowledge test in Newfoundland

1 / 20

What is a vehicle's danger zone?

2 / 20

The pushrod stroke occurs when compressed air enters the?

3 / 20

When you license is suspended you _________.

4 / 20

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

5 / 20

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

6 / 20

What is a requirement on your daily log?

7 / 20

What does this diamond shaped sign with a checkered border and a pointed arrow mean?

8 / 20

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

9 / 20

Class D license holders under age 80 must pass a knowledge and vision test every?

10 / 20

What does this square sign with a red circle mean?

11 / 20

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

12 / 20

Who can install and repair wheels and tires?

13 / 20

In your daily log, you must record what?

14 / 20

What gauges should you check after starting your vehicle?

15 / 20

How do you define Gross Weight?

16 / 20

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

17 / 20

What don’t a vehicle’s back wheels usually do?

18 / 20

What does this sign mean?

19 / 20

What does this sign mean?

20 / 20

What does this orange sign mean?

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 83%


What are the next steps to getting your truck license? Learn how to earn your Class 3 drivers license in Newfoundland

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.