Ontario Air Brake Test 07

When preparing for the Ontario air brake test, it’s important to take advantage of resources like the Ontario air brake practice test. This practice test is an invaluable tool for ensuring that you thoroughly understand the content and format of the actual exam. The practice test contains questions that cover important topics such as air brake adjustment, system components and inspection, and safe driving practices. Additionally, taking the practice test allows you to identify areas where you may need to review material or seek additional resources. With dedication and preparation, you can feel confident going into the Ontario air brake test and ultimately earning your air brake endorsement.

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Ontario Air Brake Test 07

1 / 30

To test the low air-pressure warning device, pressure in the system must be reduced to the point where the device activates or what at psi, whichever is higher?

2 / 30

The vehicle passes the test if the device activates when pressure is at or above what psi on both primary and secondary air tank gauges?

3 / 30

The system's pressure range is controlled by what?

4 / 30

Which of the following is not one of the steps for testing air-compressor governor settings?

5 / 30

With the engine idling between 600 and 900 rpm, how long should it take for the air pressure to rise from 85 to 100 psi?

6 / 30

The air brake system is defective when cut-out pressure is above...

7 / 30

When testing a tractor (towing vehicle) protection valve, the vehicle passes the test when...

8 / 30

The air loss rate for a tractor and two or more trailers is...

9 / 30

What happens if the device does not activate or activates when pressure is below the described psi on either the primary or secondary air pressure gauge?

10 / 30

Which of the following is not a step for testing a tractor (towing vehicle) protection valve?

11 / 30

What is the concern when oil is found in any air tank, other than the supply tank?

12 / 30

To test the air-pressure build-up time, what should the system pressure be reduced to?

13 / 30

A significant quantity of moisture being discharged from the supply tank - even when the tank is drained on a regular basis is...

14 / 30

After the air tanks are drained regularly, what should happen?

15 / 30

A trailer's spring brakes must automatically apply whenever what happens?

16 / 30

When testing air pressure build-up time, how fast should the rpm be?

17 / 30

The air loss rate for a tractor and trailer is...

18 / 30

What will generally affect the governor pressure setting?

19 / 30

To test the air-loss rate of the brake system, release the spring brakes, establish normal air pressure, shut off the engine and hold the brake pedal in the fully applied position and observe the air-pressure readings for how long?

20 / 30

When testing the low air pressure warning devices, what should the psi be?

21 / 30

The vehicle passes the system air-loss rate test when the drop in pressure...

22 / 30

The vehicle fails the test if the device does not activate or activates when pressure is below what psi on both primary and secondary air tank gauges?

23 / 30

Which of the following is not a step when testing the automatic application of the trailer spring brakes?

24 / 30

While a small amount of oil may be found in the supply tank, any visible quantity of oil should be...

25 / 30

Which of the following is not a step for testing low air-pressure warning devices?

26 / 30

When do air pressure gauges stop climbing?

27 / 30

The vehicle fails the system air-loss rate test when...

28 / 30

When testing air-compressor governor settings, what does compressor cut-in cause?

29 / 30

The air loss rate for a straight truck, tractor or bus is...

30 / 30

Which of the following is not a step when testing the spring (parking and emergency) brakes?

Your score is

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