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

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

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

None of the above

Damage to the tire sidewalls

The brakes will grab suddenly when the brakes are applied

2 / 30

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

Safety glasses

Ear plugs

Steel tow shoes

Bump caps

3 / 30

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

Five

Two or three

Four

One

4 / 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

5 / 30

How can air brake chamber air leaks usually be detected?

By the gauges

Audibly

By touching

Visually

6 / 30

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

A short belt

a loose belt

cut drive belt

frayed belt

7 / 30

Air compressors must always be inspected with...

The rpm below 900

The engine stopped

The engine running

The rpm below 600

8 / 30

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

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

None of the above

9 / 30

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

Check the tanks for dents

Check for any missing tanks

None of the above

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

10 / 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

Multiple holes on the slack adjuster

mismatched slack adjuster effective length on a steering axle

11 / 30

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

All of the above

Those that are exposed

Attached to the brake chambers

Attached to the couplers

12 / 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

Whenever the vehicle is at the weigh station

Whenever the vehicle is parked overnight

All of the above

13 / 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

14 / 30

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

The size of the belts

The condition and tension of the drive pulleys and belt

How many belts there are

The size of the pulley

15 / 30

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

Loose

Tight

Cracked

Missing

16 / 30

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

A warning light will light up on the dashboard

The vehicle slows down on its own

A buzzer will sound

The driver will feel a shudder while braking

17 / 30

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

For quicker stops

To ensure brake forces are balanced

To use the same amount of air pressure each time

To help with the spring brakes

18 / 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

19 / 30

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

The emergency brake only

Yes

Only if you pump the brakes

20 / 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

Brushing away any rust

Tightening the brackets

All of the above

21 / 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 tandem trailers

Yes

Only with heavy vehicles

22 / 30

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

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

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

None of the above

It must be upright

23 / 30

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

Heat damage

Stretching

Cuts

Wear

24 / 30

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

The same circumference

The same length

The same thickness

The same make

25 / 30

What is the main advantage of ABS?

All of the above

They shorten the stopping ability

They help maintain steering control during emergency braking

The are more cost-effective

26 / 30

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

Rusted

Damaged

Missing

Malfunctioning

27 / 30

What will help to pinpoint a leak with air hoses?

Moving them back and forth

Removing the air hoses

Putting water through the air hoses

Twisting the air hoses

28 / 30

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

All of the above

The company

The technician

The driver and/or operator

29 / 30

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

Rubber

Air

Lubricant

Water

30 / 30

Slack adjusters act as levers that increase what?

All of the above

The force of the air brake chambers

The time it takes for the brakes to activate

The life of the brakes

Your score is

Ontario Air Brake Test 06

About

Practice Tests

Getting a License

Get In Touch