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

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

The yoke

Pin hole

The clevis pin

The pushrod

2 / 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

The brakes will grab suddenly when the brakes are applied

None of the above

3 / 30

What will help to pinpoint a leak with air hoses?

Moving them back and forth

Removing the air hoses

Twisting the air hoses

Putting water through the air hoses

4 / 30

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

Missing

Malfunctioning

Rusted

Damaged

5 / 30

Slack adjusters act as levers that increase what?

The time it takes for the brakes to activate

The life of the brakes

All of the above

The force of the air brake chambers

6 / 30

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

It should be completely firm when hand pressure is applied

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

7 / 30

What is the main advantage of ABS?

They shorten the stopping ability

They help maintain steering control during emergency braking

All of the above

The are more cost-effective

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

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

Two or three

One

Four

Five

10 / 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

11 / 30

Where are the ABS indicators usually mounted on trailers

On the left rear of the trailer

Outside the cab

On the left front of the trailer

Locations that make them visible in your rear-view mirror

12 / 30

Air compressors must always be inspected with...

The engine stopped

The rpm below 600

The rpm below 900

The engine running

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

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

15 / 30

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

cut drive belt

a loose belt

A short belt

frayed belt

16 / 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

17 / 30

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

The same make

The same length

The same circumference

The same thickness

18 / 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

For quicker stops

To ensure brake forces are balanced

To help with the spring brakes

19 / 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

All of the above

Tightening the brackets

20 / 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

21 / 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

22 / 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

None of the above

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

23 / 30

When should wheel chocks or blocks be used?

Whenever the vehicle is parked overnight

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

All of the above

24 / 30

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

The condition and tension of the drive pulleys and belt

How many belts there are

The size of the pulley

The size of the belts

25 / 30

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

Tight

Cracked

Loose

Missing

26 / 30

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

Stretching

Wear

Cuts

Heat damage

27 / 30

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

Lubricant

Air

Water

Rubber

28 / 30

How can air brake chamber air leaks usually be detected?

By the gauges

Audibly

By touching

Visually

29 / 30

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

Those that are exposed

Attached to the couplers

Attached to the brake chambers

All of the above

30 / 30

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

Steel tow shoes

Safety glasses

Bump caps

Ear plugs

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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