DrivingTest.ca is an online driving test practice site that serves all provinces and territories in Canada. Advance through the practice tests at your own pace on any computer, tablet or mobile phone with internet access. While these tests are not the same as the actual ones you will be taking, they can give you a good idea of what to expect. It is all FREE!

AZ Practice Test – Quiz 03

Ontario Air Brake Test 03

What does the 'S' shape on the one end of the camshaft operate in the 'S' cam system?
a.
b.
c.
d.

Question 1 of 30

When you double your speed, the demand on your brakes to come to a stop will increase by how much?
a.
b.
c.
d.

Question 2 of 30

The Ontario Highway Traffic Act requires that vehicles with air brakes must be checked at least once...?
a.
b.
c.
d.

Question 3 of 30

Excessive brake temperature can be avoided in vehicles which are fitted with...?
a.
b.
c.
d.

Question 4 of 30

You will place abnormal demand on your brake system if you...?
a.
b.
c.
d.

Question 5 of 30

A vehicle should have wheel chocks or blocks securing it in place during inspection if...?
a.
b.
c.
d.

Question 6 of 30

When conducting an inspection of an air brake system, the vehicle should be parked...?
a.
b.
c.
d.

Question 7 of 30

In the 'S' cam brake system, what does a brake spider hold?
a.
b.
c.
d.

Question 8 of 30

How are wedge brake systems different to other drum brake systems?
a.
b.
c.
d.

Question 9 of 30

When making any inspection, drivers should be on guard for...?
a.
b.
c.
d.

Question 10 of 30

Brakes that are out of adjustment can be detected by...?
a.
b.
c.
d.

Question 11 of 30

For safety, the full capacity of the brake system must be available...?
a.
b.
c.
d.

Question 12 of 30

What does an ABS system do?
a.
b.
c.
d.

Question 13 of 30

Which of these parts would you not find on a wedge air brake system?
a.
b.
c.
d.

Question 14 of 30

The best way to reduce harsh brake use is to...?
a.
b.
c.
d.

Question 15 of 30

If a vehicle fails to comply with the specific requirements for the safe operation of commercial motor vehicles as set out in the Ontario Highway Traffic Act, the driver, operator and/or owner of the vehicle must...?
a.
b.
c.
d.

Question 16 of 30

Brake fade is caused by...?
a.
b.
c.
d.

Question 17 of 30

Inspections of air brake systems should begin by checking...?
a.
b.
c.
d.

Question 18 of 30

Which of these circumstances is not likely to increase the operating temperature of the brakes?
a.
b.
c.
d.

Question 19 of 30

Which of these is essential to ensure that full braking force is available?
a.
b.
c.
d.

Question 20 of 30

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

Question 21 of 30

Wedge brake systems are designed to be...?
a.
b.
c.
d.

Question 22 of 30

Which of these significantly decreases the brake force produced at the wheel?
a.
b.
c.
d.

Question 23 of 30

Which of these is not a part of a disc air brake system?
a.
b.
c.
d.

Question 24 of 30

Which of these parts would you not find on an “S” cam air brake system?
a.
b.
c.
d.

Question 25 of 30

When making an inspection of an air brake system, drivers should wear...?
a.
b.
c.
d.

Question 26 of 30

If a vehicle is found to be noncompliant with the safe operation requirements in the Ontario Highway Traffic Act, which of these sanctions may be applied?
a.
b.
c.
d.

Question 27 of 30

Which of these parts would you find on a disk air brake system?
a.
b.
c.
d.

Question 28 of 30

In extreme cases, brake fade can lead to...?
a.
b.
c.
d.

Question 29 of 30

Which of these will not be a factor on how your vehicle's brakes work?
a.
b.
c.
d.

Question 30 of 30


 

It is recommended that you take a practice test before you take the actual written test. Please note, however, that this is not the actual test, and you will not receive your license if you pass this sample practice test. If you’re getting your commercial licence, you've come to the right place.

AZ Practice Test

Our free AZ practice test questions and answers will prepare you to pass Ontario official Air Brakes knowledge test. To begin your career in trucking, you must obtain your Ontario Class A or Class D Truck Driver Licence. The appropriate CDL endorsements you will need are based on the type of trucking career you plan to pursue. To obtain these endorsements, you are required to complete a written knowledge test successfully. Making certain you are adequately prepared for your written knowledge test will prevent you from wasting time and money. Taking practice CDL tests is the best way to get prepared.

Passing your air brake test doesn’t have to be a stressful experience. Follow this important tip, and you should pass the test with no problem.

Take a Practice Test – After you have studied for a bit, and feel comfortable with the material, take an AZ practice test. This will help you identify any issues early on, and let you know what areas need work. If you do not do well on the practice test, do not get upset. Learn from your mistakes, and work on fixing the areas you have trouble with.