Ontario Air Brake Test 06

If you are preparing to take the Ontario air brake test, it is essential to practice with the Ontario air brake practice test. This test is designed to help you understand the complex system of air brakes that are used in commercial vehicles. The practice test will cover topics such as air brake components, air system leaks, proper braking technique, and emergency procedures. It will also require you to answer multiple-choice questions that are designed to test your knowledge of the material. By taking the Ontario air brake practice test, you will be well prepared to tackle the real test and obtain your air brake endorsement. Remember, the key to success is to study and practice, so don’t hesitate to take advantage of this valuable resource. Good luck!

1 / 30

For the brakes to work, what position should the brake-shoe lining be in?

It must be upright

None of the above

It must be slightly contacting the drum when the brakes are applied

It must out of contact with the drum when brakes are released

2 / 30

Air compressors must always be inspected with...

The rpm below 900

The rpm below 600

The engine stopped

The engine running

3 / 30

Most slack adjusters are designed with how many holes for attachment of the pushrod?

One

Two or three

Five

Four

4 / 30

What is the problem when the lining is worn too thin?

The brakes will grab suddenly when the brakes are applied

There is an increased danger of brake failure and damage to other components

None of the above

Damage to the tire sidewalls

5 / 30

Operating a vehicle with defects or failing to conduct the required inspections can result in charges against whom?

The driver and/or operator

All of the above

The technician

The company

6 / 30

What is the main advantage of ABS?

They help maintain steering control during emergency braking

All of the above

They shorten the stopping ability

The are more cost-effective

7 / 30

Where are the ABS indicators usually mounted on trailers

Locations that make them visible in your rear-view mirror

On the left front of the trailer

Outside the cab

On the left rear of the trailer

8 / 30

When problems develop within the wheel, what could come into contact with the brake lining?

Lubricant

Rubber

Air

Water

9 / 30

Under normal driving conditions on clean dry roads, will you notice any difference between vehicles with anti-lock braking and those without it?

Yes

Only with heavy vehicles

Only with tandem trailers

10 / 30

Which statement is false? When inspecting the air compressor, the driver must check for...

A short belt

a loose belt

frayed belt

cut drive belt

11 / 30

Which of the following is not safety equipment required to inspect air brake systems?

Bump caps

Steel tow shoes

Ear plugs

Safety glasses

12 / 30

What will help to pinpoint a leak with air hoses?

Removing the air hoses

Twisting the air hoses

Moving them back and forth

Putting water through the air hoses

13 / 30

Which answer is false? An inspection of a vehicle's air brake chambers includes...

audible air leaks

mismatched slack adjuster effective length on a steering axle

Multiple holes on the slack adjuster

mismatched air brake chamber size on a steering axle

14 / 30

Although all the other air brake chambers are working, would you be prohibited from operating a vehicle with an air brake chamber defect on any road or highway?

Only if it was a tandem trailer

Only if the overall trip was greater than 160 km

Yes

15 / 30

Which statement is false? Drivers are expected to identify brake components that are...

Missing

Damaged

Malfunctioning

Rusted

16 / 30

Slack adjusters act as levers that increase what?

The force of the air brake chambers

The time it takes for the brakes to activate

The life of the brakes

All of the above

17 / 30

If an anti-lock braking system malfunction occurs, is regular brake function still available?

Yes

Only if you pump the brakes

The emergency brake only

18 / 30

Why should the brake on each end of an axle have the same size air brake chamber?

To ensure brake forces are balanced

To help with the spring brakes

For quicker stops

To use the same amount of air pressure each time

19 / 30

If a compressor is belt-driven, what should you inspect?

The size of the pulley

The size of the belts

How many belts there are

The condition and tension of the drive pulleys and belt

20 / 30

When should wheel chocks or blocks be used?

All of the above

Whenever the vehicle is at the weigh station

Whenever the vehicle is parked overnight

Whenever a test or inspection procedure requires the driver to leave the driver's seat with the parking brakes released

21 / 30

Which brake hoses and tubes are likely to suffer the most damage?

Attached to the couplers

Those that are exposed

Attached to the brake chambers

All of the above

22 / 30

To ensure balanced braking, slack adjusters on each side of an axle should be...

The same make

The same length

The same circumference

The same thickness

23 / 30

The slack adjuster's effective length is the distance between the centre of the camshaft and...

Pin hole

The clevis pin

The pushrod

The yoke

24 / 30

How would drivers know the ABS is not working before it's too late?

A buzzer will sound

The vehicle slows down on its own

The driver will feel a shudder while braking

A warning light will light up on the dashboard

25 / 30

Which of the following is not considered a defective brake lining?

Loose

Tight

Cracked

Missing

26 / 30

Air tanks must remain securely attached to the vehicle. Check that they are secure both by looking at them and by...

All of the above

Tightening the brackets

Brushing away any rust

Attempting to move them

27 / 30

Which statement is false? Damage or deterioration to brake hoses and tubes may be in the form of...

Wear

Stretching

Cuts

Heat damage

28 / 30

How would you know if the belt is in good condition?

None of the above

It should move up to 5 cm when hand pressure is applied

It should give slightly when firm hand pressure is applied

It should be completely firm when hand pressure is applied

29 / 30

How can air brake chamber air leaks usually be detected?

Visually

By the gauges

Audibly

By touching

30 / 30

In addition to inspecting the tanks themselves, what else should you check?

Check for any missing tanks

None of the above

Check the tanks for dents

Check the security of the mounting brackets and hardware that hold the air tanks to the vehicle

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Ontario Air Brake Test 06

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