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

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

Check for any missing tanks

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

Check the tanks for dents

None of the above

2 / 30

When should wheel chocks or blocks be used?

All of the above

Whenever the vehicle is parked overnight

Whenever the vehicle is at the weigh station

Whenever a test or inspection procedure requires the driver to leave the driver's seat with the parking brakes released

3 / 30

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

Four

One

Five

Two or three

4 / 30

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

Water

Rubber

Lubricant

Air

5 / 30

How can air brake chamber air leaks usually be detected?

By touching

By the gauges

Audibly

Visually

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

All of the above

The technician

7 / 30

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

It should be completely firm when hand pressure is applied

None of the above

It should give slightly when firm hand pressure is applied

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

8 / 30

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

The brakes will grab suddenly when the brakes are applied

None of the above

Damage to the tire sidewalls

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

9 / 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

Tightening the brackets

Brushing away any rust

All of the above

10 / 30

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

The clevis pin

The yoke

Pin hole

The pushrod

11 / 30

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

A short belt

frayed belt

a loose belt

cut drive belt

12 / 30

Under normal driving conditions on clean dry roads, will you notice any difference between vehicles with anti-lock braking and those without it?

Yes

Only with tandem trailers

Only with heavy vehicles

13 / 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

14 / 30

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

Stretching

Wear

Cuts

Heat damage

15 / 30

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

Ear plugs

Safety glasses

Bump caps

Steel tow shoes

16 / 30

What will help to pinpoint a leak with air hoses?

Twisting the air hoses

Removing the air hoses

Moving them back and forth

Putting water through the air hoses

17 / 30

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

Attached to the couplers

Those that are exposed

All of the above

Attached to the brake chambers

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?

Yes

Only if it was a tandem trailer

Only if the overall trip was greater than 160 km

19 / 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

On the left rear of the trailer

Outside the cab

20 / 30

Slack adjusters act as levers that increase what?

All of the above

The life of the brakes

The time it takes for the brakes to activate

The force of the air brake chambers

21 / 30

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

Missing

Tight

Cracked

Loose

22 / 30

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

The same make

The same circumference

The same length

The same thickness

23 / 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 help with the spring brakes

To ensure brake forces are balanced

24 / 30

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

How many belts there are

The size of the pulley

The condition and tension of the drive pulleys and belt

The size of the belts

25 / 30

Air compressors must always be inspected with...

The engine stopped

The rpm below 900

The rpm below 600

The engine running

26 / 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

27 / 30

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

None of the above

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

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

It must be upright

28 / 30

What is the main advantage of ABS?

They shorten the stopping ability

The are more cost-effective

They help maintain steering control during emergency braking

All of the above

29 / 30

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

Damaged

Rusted

Missing

Malfunctioning

30 / 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

Your score is

Ontario Air Brake Test 06

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