Ontario Air Brake Test 05

Taking the Ontario air brake practice test is an essential step for anyone seeking to obtain a commercial driver’s license in the province. This test assesses the knowledge of individuals on air brake systems and how to use them in real-world scenarios. The test comprises of multiple choice questions, which cover topics such as air brake system components, maintenance, and emergency procedures. It is essential for individuals to familiarize themselves adequately with the content of the air brake test using the official study guide, as it contains critical information that they will need to pass the assessment. Additionally, taking practice tests can help to identify areas of weakness and provide an opportunity for improvement. By faithfully following the guidelines provided in the official study material and practicing regularly, individuals can increase their chances of success on the actual Ontario air brake test.


Ontario Air Brake Test 05

1 / 30

As brake components heat up, you may experience a reduction in their effectiveness and find that you need to press harder on the brake pedal to develop enough brake force. This is known as...

2 / 30

Is full brake capacity often needed during normal conditions?

3 / 30

What happens when a wheel locks and a tire skids?

4 / 30

Where are many of the parts of an 'S' cam brake located?

5 / 30

On disc brakes, the brake rotor is only partially visible because the wheel, caliper and what else is covering it?

6 / 30

Can brake temperatures become so severe they cause damage to brake components?

7 / 30

What happens to the brake force produced at a wheel when the stroke of its brake chamber pushrod becomes excessive?

8 / 30

If you double your vehicle weight and double your speed, how much does your stopping distance increases by?

9 / 30

Which statement is false? The air pressure may drop due to one of the following reasons...

10 / 30

When pushrod stroke exceeds the adjustment limit, what does this mean?

11 / 30

What are anti-lock braking systems (ABS) designed to do?

12 / 30

Which of the following is not a component of disc air brakes?

13 / 30

What is the purpose of the brake spider?

14 / 30

What will ensure that the brake chamber always produces the necessary force?

15 / 30

To prevent all of the air from being lost, the trailer supply valve is designed to do what?

16 / 30

Can an air brake system be designed to work with several designs of foundation brake subsystems, even on the same vehicle?

17 / 30

Is it likely that you will notice a small loss of braking ability during normal driving?

18 / 30

For wedge brakes, the stroke of the brake chamber pushrod slides a wedge between the brake shoes, forcing them where?

19 / 30

Which statement is false? The following components are much easier to see and identify on S-cam brakes

20 / 30

Which statement is false? The vehicle loses some of its ability to stop during the following conditions...

21 / 30

Which is not a type of foundation brake?

22 / 30

Is your speed is doubled, the stopping distance is...

23 / 30

Can trailers with spring brake priority be towed without waiting for the service brake air tanks to fill?

24 / 30

If the vehicle weight is doubled, the stopping distance is...

25 / 30

What do anchor springs do?

26 / 30

What controls the tractor protection valve?

27 / 30

What is the problem of overloading a vehicle?

28 / 30

Which of the following is not a factor that affect how your vehicle's brakes work?

29 / 30

The Ontario Highway Traffic Act and regulations require vehicles with air brakes to be checked at least...

30 / 30

Which of the following is not a component of the S-cam air brakes?

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