Ontario Commercial Drivers License Class A 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.

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Created by Commercial Driver HQ

Class A Ontario Practice Test 2

A 20 question practice test to help prepare you for the Class AZ knowledge test in Ontario

1 / 20

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

2 / 20

When towing a trailer, you will usually be able to tell if it is employing ABS by?

3 / 20

What is the most common cause of air loss in a trailer?

4 / 20

What does a driver need to transport dangerous goods?

5 / 20

At vehicle inspection stations, axles are inspected for?

6 / 20

If you are not able to witness the loading of your trailer, what should you mark on the paperwork?

7 / 20

What does a slider do on a trailer?

8 / 20

Owners must have a licensed motor-vehicle inspector inspect each vehicle and trailer every?

9 / 20

What information does a CVOR record contain?

10 / 20

This yellow diamond sign with a truck heading towards a road means?

11 / 20

This yellow warning sign means what?

12 / 20

What does this square sign with a red circle mean?

13 / 20

As a driver you are expected to practice _________?

14 / 20

The best and most practiced way to test a trailer’s automatic spring brakes is to?

15 / 20

What does this sign mean?

16 / 20

How do you define Gross Weight?

17 / 20

When brakes become overheated they also become?

18 / 20

When can your vehicle be inspected on a highway?

19 / 20

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

20 / 20

In your daily log, you must record what?

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The average score is 80%


Want to know more? Learn all about getting your AZ drivers license in Ontario

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 DriveTest or the MTO. 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.