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

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

None of the above

It should be completely firm when hand pressure is applied

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

It should give slightly when firm hand pressure is applied

2 / 30

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

None of the above

It must be upright

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

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

3 / 30

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

The condition and tension of the drive pulleys and belt

The size of the pulley

The size of the belts

How many belts there are

4 / 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 the overall trip was greater than 160 km

Only if it was a tandem trailer

5 / 30

Air compressors must always be inspected with...

The engine running

The rpm below 600

The engine stopped

The rpm below 900

6 / 30

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

The driver and/or operator

The company

The technician

All of the above

7 / 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 the tanks for dents

Check for any missing tanks

None of the above

8 / 30

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

The same circumference

The same thickness

The same length

The same make

9 / 30

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

Brushing away any rust

Tightening the brackets

Attempting to move them

All of the above

10 / 30

Slack adjusters act as levers that increase what?

All of the above

The force of the air brake chambers

The life of the brakes

The time it takes for the brakes to activate

11 / 30

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

Safety glasses

Steel tow shoes

Ear plugs

Bump caps

12 / 30

What is the main advantage of ABS?

All of the above

They help maintain steering control during emergency braking

They shorten the stopping ability

The are more cost-effective

13 / 30

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

Damage to the tire sidewalls

The brakes will grab suddenly when the brakes are applied

None of the above

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

14 / 30

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

audible air leaks

mismatched air brake chamber size on a steering axle

Multiple holes on the slack adjuster

mismatched slack adjuster effective length on a steering axle

15 / 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 at the weigh station

Whenever the vehicle is parked overnight

16 / 30

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

A buzzer will sound

The vehicle slows down on its own

A warning light will light up on the dashboard

The driver will feel a shudder while braking

17 / 30

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

The clevis pin

Pin hole

The yoke

The pushrod

18 / 30

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

Missing

Malfunctioning

Damaged

Rusted

19 / 30

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

Cuts

Heat damage

Stretching

Wear

20 / 30

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

Water

Air

Rubber

Lubricant

21 / 30

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

A short belt

cut drive belt

a loose belt

frayed belt

22 / 30

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

Cracked

Loose

Tight

Missing

23 / 30

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

Two or three

One

Five

Four

24 / 30

What will help to pinpoint a leak with air hoses?

Putting water through the air hoses

Removing the air hoses

Moving them back and forth

Twisting the air hoses

25 / 30

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

Those that are exposed

Attached to the brake chambers

Attached to the couplers

All of the above

26 / 30

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

Yes

The emergency brake only

Only if you pump the brakes

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?

Only with tandem trailers

Yes

Only with heavy vehicles

28 / 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

On the left rear of the trailer

Outside the cab

29 / 30

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

To ensure brake forces are balanced

For quicker stops

To help with the spring brakes

To use the same amount of air pressure each time

30 / 30

How can air brake chamber air leaks usually be detected?

By touching

By the gauges

Visually

Audibly

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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