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

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

Cuts

Wear

Heat damage

Stretching

2 / 30

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

Bump caps

Ear plugs

Safety glasses

Steel tow shoes

3 / 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 help with the spring brakes

To ensure brake forces are balanced

4 / 30

Slack adjusters act as levers that increase what?

All of the above

The force of the air brake chambers

The time it takes for the brakes to activate

The life of the brakes

5 / 30

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

frayed belt

A short belt

cut drive belt

a loose belt

6 / 30

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

Check for any missing tanks

None of the above

Check the tanks for dents

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

7 / 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

8 / 30

What will help to pinpoint a leak with air hoses?

Twisting the air hoses

Putting water through the air hoses

Removing the air hoses

Moving them back and forth

9 / 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 it was a tandem trailer

Only if the overall trip was greater than 160 km

Yes

10 / 30

Where are the ABS indicators usually mounted on trailers

Outside the cab

Locations that make them visible in your rear-view mirror

On the left rear of the trailer

On the left front of the trailer

11 / 30

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

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

It should give slightly when firm hand pressure is applied

It should be completely firm when hand pressure is applied

None of the above

12 / 30

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

mismatched slack adjuster effective length on a steering axle

mismatched air brake chamber size on a steering axle

audible air leaks

Multiple holes on the slack adjuster

13 / 30

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

Four

Five

Two or three

One

14 / 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

Only with tandem trailers

Yes

15 / 30

Air compressors must always be inspected with...

The rpm below 600

The rpm below 900

The engine running

The engine stopped

16 / 30

What is the main advantage of ABS?

The are more cost-effective

They shorten the stopping ability

They help maintain steering control during emergency braking

All of the above

17 / 30

How can air brake chamber air leaks usually be detected?

Visually

By the gauges

Audibly

By touching

18 / 30

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

The clevis pin

Pin hole

The pushrod

The yoke

19 / 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

20 / 30

When should wheel chocks or blocks be used?

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

Whenever the vehicle is parked overnight

All of the above

21 / 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

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

Damage to the tire sidewalls

22 / 30

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

Missing

Malfunctioning

Rusted

Damaged

23 / 30

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

Cracked

Tight

Loose

Missing

24 / 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

Attempting to move them

Tightening the brackets

Brushing away any rust

25 / 30

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

Air

Rubber

Water

Lubricant

26 / 30

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

How many belts there are

The condition and tension of the drive pulleys and belt

The size of the pulley

The size of the belts

27 / 30

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

A buzzer will sound

A warning light will light up on the dashboard

The driver will feel a shudder while braking

The vehicle slows down on its own

28 / 30

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

Those that are exposed

Attached to the brake chambers

All of the above

Attached to the couplers

29 / 30

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

The same thickness

The same length

The same circumference

The same make

30 / 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

None of the above

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

It must be upright

Your score is

Ontario Air Brake Test 06

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