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

What is the main advantage of ABS?

All of the above

They help maintain steering control during emergency braking

The are more cost-effective

They shorten the stopping ability

2 / 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

3 / 30

How can air brake chamber air leaks usually be detected?

Visually

By the gauges

By touching

Audibly

4 / 30

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

Attached to the couplers

Those that are exposed

Attached to the brake chambers

All of the above

5 / 30

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

It should give slightly when firm hand pressure is applied

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

6 / 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 driver will feel a shudder while braking

The vehicle slows down on its own

7 / 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

8 / 30

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

Check the tanks for dents

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

None of the above

Check for any missing tanks

9 / 30

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

The pushrod

The yoke

The clevis pin

Pin hole

10 / 30

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

Two or three

Five

Four

One

11 / 30

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

For quicker stops

To help with the spring brakes

To use the same amount of air pressure each time

To ensure brake forces are balanced

12 / 30

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

Cuts

Heat damage

Stretching

Wear

13 / 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

Only with heavy vehicles

Yes

14 / 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

It must be upright

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

None of the above

15 / 30

Slack adjusters act as levers that increase what?

The life of the brakes

The time it takes for the brakes to activate

The force of the air brake chambers

All of the above

16 / 30

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

The technician

The driver and/or operator

All of the above

The company

17 / 30

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

Malfunctioning

Damaged

Rusted

Missing

18 / 30

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

Safety glasses

Steel tow shoes

Ear plugs

Bump caps

19 / 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

Yes

Only if the overall trip was greater than 160 km

20 / 30

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

None of the above

Damage to the tire sidewalls

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

The brakes will grab suddenly when the brakes are applied

21 / 30

Where are the ABS indicators usually mounted on trailers

On the left rear of the trailer

Outside the cab

Locations that make them visible in your rear-view mirror

On the left front of the trailer

22 / 30

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

frayed belt

a loose belt

A short belt

cut drive belt

23 / 30

Air compressors must always be inspected with...

The rpm below 600

The rpm below 900

The engine running

The engine stopped

24 / 30

What will help to pinpoint a leak with air hoses?

Moving them back and forth

Twisting the air hoses

Putting water through the air hoses

Removing the air hoses

25 / 30

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

The size of the pulley

The condition and tension of the drive pulleys and belt

How many belts there are

The size of the belts

26 / 30

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

mismatched air brake chamber size on a steering axle

audible air leaks

Multiple holes on the slack adjuster

mismatched slack adjuster effective length on a steering axle

27 / 30

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

The same make

The same thickness

The same length

The same circumference

28 / 30

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

Loose

Missing

Tight

Cracked

29 / 30

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

Rubber

Air

Water

Lubricant

30 / 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

Brushing away any rust

Tightening the brackets

Attempting to move them

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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