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.

1 / 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

2 / 30

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

It should give slightly when firm hand pressure is applied

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

None of the above

It should be completely firm when hand pressure is applied

3 / 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

Attempting to move them

Brushing away any rust

4 / 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

The vehicle slows down on its own

A buzzer will sound

5 / 30

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

The company

All of the above

The technician

The driver and/or operator

6 / 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 be upright

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

None of the above

7 / 30

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

Attached to the couplers

Attached to the brake chambers

All of the above

Those that are exposed

8 / 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

Damage to the tire sidewalls

None of the above

The brakes will grab suddenly when the brakes are applied

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?

Only with heavy vehicles

Yes

Only with tandem trailers

10 / 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

11 / 30

Where are the ABS indicators usually mounted on trailers

On the left front of the trailer

Locations that make them visible in your rear-view mirror

Outside the cab

On the left rear of the trailer

12 / 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

13 / 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?

Yes

Only if it was a tandem trailer

Only if the overall trip was greater than 160 km

14 / 30

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

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

Check for any missing tanks

Check the tanks for dents

None of the above

15 / 30

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

Steel tow shoes

Bump caps

Ear plugs

Safety glasses

16 / 30

What is the main advantage of ABS?

They shorten the stopping ability

All of the above

They help maintain steering control during emergency braking

The are more cost-effective

17 / 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

The size of the pulley

How many belts there are

18 / 30

How can air brake chamber air leaks usually be detected?

Audibly

Visually

By touching

By the gauges

19 / 30

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

Tight

Missing

Loose

Cracked

20 / 30

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

The same make

The same length

The same thickness

The same circumference

21 / 30

Air compressors must always be inspected with...

The rpm below 600

The engine stopped

The engine running

The rpm below 900

22 / 30

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

Four

Two or three

One

Five

23 / 30

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

Rubber

Lubricant

Water

Air

24 / 30

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

Damaged

Malfunctioning

Missing

Rusted

25 / 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 help with the spring brakes

To use the same amount of air pressure each time

26 / 30

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

Pin hole

The yoke

The clevis pin

The pushrod

27 / 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

28 / 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

29 / 30

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

Stretching

Cuts

Wear

Heat damage

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

Your score is

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!

Ontario Air Brake Test 06

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