Nova Scotia Commercial Drivers License Class 3 Practice Test 3

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.

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Created by Commercial Driver HQ

Nova Scotia Class 3 Practice Test 3

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

1 / 20

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

2 / 20

Which statement is true of spring brakes?

3 / 20

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

4 / 20

When is an engine retarder most efficient?

5 / 20

What is Gross Vehicle Weight Rating?

6 / 20

What is the best way to inspect an air compressor?

7 / 20

Cut in pressure level must never fall below __________.

8 / 20

What does this upside down triangle sign mean?

9 / 20

What is the purpose of the National Safety Code?

10 / 20

What does this yellow sign mean?

11 / 20

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

12 / 20

What is this sign for?

13 / 20

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

14 / 20

What is the wheel base of a vehicle?

15 / 20

When must a carrier check your driving record?

16 / 20

What does this rectangle sign mean?

17 / 20

A broken yellow line on the pavement to the left of you means what?

18 / 20

What does this yellow warning sign mean?

19 / 20

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

20 / 20

How many off-duty hours must a commercial driver have in a day?

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The average score is 77%


Ready to finish earning your license? Walk through your final steps with our guide to obtaining your Class 3 license in Nova Scotia

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.