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 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

None of the above

2 / 30

How can air brake chamber air leaks usually be detected?

By the gauges

Visually

By touching

Audibly

3 / 30

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

mismatched air brake chamber size on a steering axle

audible air leaks

mismatched slack adjuster effective length on a steering axle

Multiple holes on the slack adjuster

4 / 30

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

Attached to the brake chambers

All of the above

Attached to the couplers

Those that are exposed

5 / 30

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

One

Two or three

Four

Five

6 / 30

What is the main advantage of ABS?

They help maintain steering control during emergency braking

They shorten the stopping ability

All of the above

The are more cost-effective

7 / 30

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

Loose

Tight

Missing

Cracked

8 / 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

Yes

Only with tandem trailers

9 / 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

Yes

Only if the overall trip was greater than 160 km

10 / 30

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

The same length

The same circumference

The same thickness

The same make

11 / 30

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

Check the tanks for dents

None of the above

Check for any missing tanks

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

12 / 30

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

The driver will feel a shudder while braking

The vehicle slows down on its own

A buzzer will sound

A warning light will light up on the dashboard

13 / 30

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

Damaged

Rusted

Malfunctioning

Missing

14 / 30

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

To help with the spring brakes

To ensure brake forces are balanced

To use the same amount of air pressure each time

For quicker stops

15 / 30

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

Ear plugs

Safety glasses

Steel tow shoes

Bump caps

16 / 30

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

Air

Lubricant

Rubber

Water

17 / 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

Brushing away any rust

Attempting to move them

Tightening the brackets

18 / 30

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

The company

The technician

The driver and/or operator

All of the above

19 / 30

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

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

The brakes will grab suddenly when the brakes are applied

None of the above

Damage to the tire sidewalls

20 / 30

Slack adjusters act as levers that increase what?

The time it takes for the brakes to activate

The force of the air brake chambers

All of the above

The life of the brakes

21 / 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

22 / 30

Air compressors must always be inspected with...

The rpm below 600

The engine stopped

The rpm below 900

The engine running

23 / 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 front of the trailer

On the left rear of the trailer

24 / 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

25 / 30

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

The pushrod

The yoke

The clevis pin

Pin hole

26 / 30

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

Heat damage

Wear

Cuts

Stretching

27 / 30

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

cut drive belt

frayed belt

a loose belt

A short belt

28 / 30

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

None of the above

It should give slightly when firm hand pressure is applied

It should be completely firm when hand pressure is applied

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

29 / 30

When should wheel chocks or blocks be used?

Whenever the vehicle is at the weigh station

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

30 / 30

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

The size of the pulley

How many belts there are

The size of the belts

The condition and tension of the drive pulleys and belt

Your score is

Ontario Air Brake Test 06

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