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

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

Malfunctioning

Missing

Rusted

Damaged

2 / 30

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

None of the above

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

It must be upright

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

3 / 30

How can air brake chamber air leaks usually be detected?

Audibly

Visually

By touching

By the gauges

4 / 30

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

None of the above

Check the tanks for dents

Check for any missing tanks

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

5 / 30

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

Steel tow shoes

Bump caps

Ear plugs

Safety glasses

6 / 30

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

The emergency brake only

Only if you pump the brakes

Yes

7 / 30

What will help to pinpoint a leak with air hoses?

Removing the air hoses

Moving them back and forth

Putting water through the air hoses

Twisting the air hoses

8 / 30

What is the main advantage of ABS?

They shorten the stopping ability

The are more cost-effective

They help maintain steering control during emergency braking

All of the above

9 / 30

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

It should be completely firm when hand pressure is applied

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

None of the above

It should give slightly when firm hand pressure is applied

10 / 30

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

Stretching

Cuts

Heat damage

Wear

11 / 30

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

The technician

The company

The driver and/or operator

All of the above

12 / 30

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

Attempting to move them

Tightening the brackets

All of the above

Brushing away any rust

13 / 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

14 / 30

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

Multiple holes on the slack adjuster

mismatched air brake chamber size on a steering axle

audible air leaks

mismatched slack adjuster effective length on a steering axle

15 / 30

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

To use the same amount of air pressure each time

To help with the spring brakes

For quicker stops

To ensure brake forces are balanced

16 / 30

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

Attached to the brake chambers

Attached to the couplers

Those that are exposed

All of the above

17 / 30

Air compressors must always be inspected with...

The engine running

The rpm below 900

The rpm below 600

The engine stopped

18 / 30

Slack adjusters act as levers that increase what?

All of the above

The time it takes for the brakes to activate

The life of the brakes

The force of the air brake chambers

19 / 30

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

The same length

The same circumference

The same make

The same thickness

20 / 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

21 / 30

Where are the ABS indicators usually mounted on trailers

On the left rear of the trailer

Locations that make them visible in your rear-view mirror

On the left front of the trailer

Outside the cab

22 / 30

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

One

Five

Two or three

Four

23 / 30

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

Water

Air

Lubricant

Rubber

24 / 30

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

The driver will feel a shudder while braking

A warning light will light up on the dashboard

A buzzer will sound

The vehicle slows down on its own

25 / 30

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

None of the above

The brakes will grab suddenly when the brakes are applied

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

Damage to the tire sidewalls

26 / 30

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

Missing

Cracked

Tight

Loose

27 / 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

28 / 30

When should wheel chocks or blocks be used?

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

All of the above

Whenever the vehicle is parked overnight

Whenever the vehicle is at the weigh station

29 / 30

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

The clevis pin

The pushrod

The yoke

Pin hole

30 / 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

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Ontario Air Brake Test 06

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