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

When should wheel chocks or blocks be used?

All of the above

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

Whenever the vehicle is parked overnight

Whenever the vehicle is at the weigh station

2 / 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 the overall trip was greater than 160 km

Yes

Only if it was a tandem trailer

3 / 30

What is the main advantage of ABS?

All of the above

The are more cost-effective

They help maintain steering control during emergency braking

They shorten the stopping ability

4 / 30

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

Safety glasses

Bump caps

Ear plugs

Steel tow shoes

5 / 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

To ensure brake forces are balanced

For quicker stops

6 / 30

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

The company

The driver and/or operator

The technician

All of the above

7 / 30

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

Missing

Damaged

Rusted

Malfunctioning

8 / 30

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

Tightening the brackets

Brushing away any rust

Attempting to move them

All of the above

9 / 30

Where are the ABS indicators usually mounted on trailers

Locations that make them visible in your rear-view mirror

Outside the cab

On the left rear of the trailer

On the left front of the trailer

10 / 30

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

Only with heavy vehicles

Only with tandem trailers

Yes

11 / 30

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

The size of the belts

The size of the pulley

The condition and tension of the drive pulleys and belt

How many belts there are

12 / 30

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

Attached to the couplers

All of the above

Attached to the brake chambers

Those that are exposed

13 / 30

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

Damage to the tire sidewalls

None of the above

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

The brakes will grab suddenly when the brakes are applied

14 / 30

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

Two or three

One

Five

Four

15 / 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

16 / 30

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

It must be upright

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

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

None of the above

17 / 30

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

The pushrod

The clevis pin

The yoke

Pin hole

18 / 30

What will help to pinpoint a leak with air hoses?

Putting water through the air hoses

Moving them back and forth

Removing the air hoses

Twisting the air hoses

19 / 30

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

Water

Rubber

Air

Lubricant

20 / 30

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

Only if you pump the brakes

The emergency brake only

Yes

21 / 30

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

Stretching

Heat damage

Cuts

Wear

22 / 30

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

a loose belt

A short belt

cut drive belt

frayed belt

23 / 30

Air compressors must always be inspected with...

The engine stopped

The rpm below 600

The rpm below 900

The engine running

24 / 30

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

The same thickness

The same length

The same circumference

The same make

25 / 30

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

A warning light will light up on the dashboard

A buzzer will sound

The driver will feel a shudder while braking

The vehicle slows down on its own

26 / 30

How can air brake chamber air leaks usually be detected?

Visually

Audibly

By touching

By the gauges

27 / 30

Slack adjusters act as levers that increase what?

The life of the brakes

The force of the air brake chambers

All of the above

The time it takes for the brakes to activate

28 / 30

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

audible air leaks

Multiple holes on the slack adjuster

mismatched air brake chamber size on a steering axle

mismatched slack adjuster effective length on a steering axle

29 / 30

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

Cracked

Tight

Missing

Loose

30 / 30

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

None of the above

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

Check the tanks for dents

Check for any missing tanks

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Ontario Air Brake Test 06

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