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

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

2 / 30

What is the main advantage of ABS?

The are more cost-effective

They help maintain steering control during emergency braking

They shorten the stopping ability

All of the above

3 / 30

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

Loose

Tight

Cracked

Missing

4 / 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

5 / 30

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

A warning light will light up on the dashboard

A buzzer will sound

The vehicle slows down on its own

The driver will feel a shudder while braking

6 / 30

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

Multiple holes on the slack adjuster

audible air leaks

mismatched air brake chamber size on a steering axle

mismatched slack adjuster effective length on a steering axle

7 / 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

8 / 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 the overall trip was greater than 160 km

Only if it was a tandem trailer

Yes

9 / 30

Slack adjusters act as levers that increase what?

All of the above

The life of the brakes

The force of the air brake chambers

The time it takes for the brakes to activate

10 / 30

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

A short belt

cut drive belt

frayed belt

a loose belt

11 / 30

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

Safety glasses

Bump caps

Steel tow shoes

Ear plugs

12 / 30

What will help to pinpoint a leak with air hoses?

Twisting the air hoses

Removing the air hoses

Putting water through the air hoses

Moving them back and forth

13 / 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

14 / 30

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

How many belts there are

The size of the belts

The condition and tension of the drive pulleys and belt

The size of the pulley

15 / 30

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

Lubricant

Rubber

Air

Water

16 / 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

17 / 30

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

Check the tanks for dents

None of the above

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

Check for any missing tanks

18 / 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

19 / 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 parked overnight

Whenever the vehicle is at the weigh station

All of the above

20 / 30

Air compressors must always be inspected with...

The engine running

The rpm below 600

The rpm below 900

The engine stopped

21 / 30

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

Malfunctioning

Rusted

Missing

Damaged

22 / 30

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

Only if you pump the brakes

Yes

The emergency brake only

23 / 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

24 / 30

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

The technician

All of the above

The company

The driver and/or operator

25 / 30

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

For quicker stops

To use the same amount of air pressure each time

To ensure brake forces are balanced

To help with the spring brakes

26 / 30

How can air brake chamber air leaks usually be detected?

By the gauges

Visually

By touching

Audibly

27 / 30

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

Cuts

Heat damage

Wear

Stretching

28 / 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

29 / 30

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

Five

Four

Two or three

One

30 / 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

Your score is

By WordPress Quiz plugin

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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