ONTARIO AIR BRAKE PRACTICE TEST 05

our practice tests allow you to get a feel for the actual exam format, so you can go into test day feeling calm and prepared. Don’t let the Ontario Air Brake test intimidate you – use our free practice tests to help you pass with flying colors.

Ontario Air Brake Test 05

1 / 30

Pushrod stroke measurements should be done with the engine...?

Idling

In high gear

In first gear

Off

2 / 30

The pushrod stroke should be inspected at least...?

Once a month

Once a week

Once every three days

Once a day

3 / 30

Which of these items is it optional to bring to the practical test for airbrake certification?

A stopwatch

A chart of brake adjustment limits

Wheel chocks or blocks

Protective headgear

4 / 30

The only tank from which it is acceptable to observe a significant amount of moisture being discharged is...?

The third tank

The supply tank

The final tank

The second tank

5 / 30

If a drain valve on any tank is not functioning properly, it must be...?

Left open

Any of these

Repaired

Left closed

6 / 30

Marks made in measuring pushrod strokes must be...?

Narrow and approximate

Narrow and precise

Wide and approximate

Wide and precise

7 / 30

If you are performing a brake adjustment inspection as part of the practical test, you must be equipped with...?

A means of applying the service brakes

A means of marking the pushrod if this method will be used

A means of measuring the applied pushrod stroke

All of these things

8 / 30

Before measuring the applied pushrod stroke, you should ensure the air pressure is above...?

521 kPa (75 psi)

621 kPa (90 psi)

421 kPa (61 psi)

721 kPa (104 psi)

9 / 30

If your vehicle has automatic slack adjusters, inspection of brake adjustment...?

Must be carried out with the same frequency

Must be carried out more frequently

Can be made less often

Need never be made

10 / 30

Proper inspection of air brakes must be undertaken regularly by...?

Government authorities

Police officers

Drivers

Company directors

11 / 30

Which of these is not part of the air supply subsystem circuit?

Air dryer

Supply tank

Spring brake

Air compressor

12 / 30

Being able to demonstrate an applied pushrod stroke measurement method of inspection is compulsory for...?

All long distance drivers

All owner drivers

All urban area drivers

All truck drivers

13 / 30

The most common brake chamber size is...?

14 / 30

To inspect the low air warning device, the ignition key should be...?

Any of these

In the ignition but not turned on

Turned on

Away from the ignition

15 / 30

When measuring the pushrod stroke, this should be done with the brake pedal...?

50% applied

25% applied

Fully released

Fully applied

16 / 30

A standard stroke brake chamber will have what sort of port?

Round

Triangular

Hexagonal

Square

17 / 30

Which of these is not part of the trailer brake subsystem circuit?

Trailer couplers

Air tanks

Compressor

Spring brake chambers

18 / 30

Automatic slack adjusters can only be repaired by...?

The vehicle driver

The vehicle owner

Certified technicians

Any of these

19 / 30

Brake chamber size can be determined by measuring...?

Any of these

The length of the pushrod

The size of the wheel

The diameter of its clamp

20 / 30

Before measuring the applied pushrod stroke, you should ensure the air pressure does not exceed...?

710 kPa (102 psi)

650 kPa (95 psi)

690 kPa (100 psi)

670 kPa (97 psi)

21 / 30

A long stroke brake chamber can be identified by the fact that it will have...?

A square port

A round port

A triangular port

A hexagonal port

22 / 30

When performing an inspection as part of the practical examination, you should...?

Only speak to the examiner if spoken to

Only speak to the examiner if there is a problem

Never speak to the examiner

Inform the examiner of what you are testing at every step

23 / 30

A long stroke size 24 brake chamber will have which of these markings?

Square ports

Tag

Cover marking

All of them

24 / 30

The brake is out of adjustment when the pushrod stroke...?

Exceeds the adjustment limit

Any of these depending on circumstances

Is below the adjustment limit

Matches the adjustment limit

25 / 30

A size 36 brake chamber will be marked with...?

A tag

A cover marking

Nothing

A square port

26 / 30

Readjustments to manual slack adjusters may only be carried out by...?

Truck drivers

Vehicle owners

Certified technicians

Any of the above

27 / 30

Which of these items do you not need to bring to your test if being tested for motor coaches?

A stopwatch

Wheel chocks or blocks

A means of holding down the brake pedal

Protective headgear

28 / 30

As your brakes wear, brake pushrod stroke will...?

Remain the same

Any of these

Decrease

Increase

29 / 30

You can discover the size of brake chamber on your vehicle by...?

Measurement

Questioning your employer

Any of these methods

Looking at the owner's manual

30 / 30

Which of these is not part of the air supply subsystem circuit?

Air compressor

One-way check valves

Air dryer

Brake pedal

Your score is

MTO Air Brake Test

Our free MTO air brake test questions and answers will prepare you to pass Ontario’s official Air Brakes knowledge test. To begin your career in trucking, you must obtain your Ontario Class A or Class D Truck Driver’s Licence. The appropriate CDL endorsements you will need are based on the type of trucking career you plan to pursue. To obtain these endorsements, you must complete a written knowledge test successfully. Making sure you are adequately prepared for your written knowledge test will prevent you from wasting time and money. Taking practice CDL tests is the best way to get ready.

Passing your air brake test doesn’t have to be a stressful experience. Follow this important tip, and you should pass the test without a problem.

Think Positively – It is essential to think positively on test days. You have studied well, take a few practice tests, gotten enough rest, and had a good breakfast. You know the information and are ready to prove it. All your preparation will give you the confidence to succeed on the test.

As stated above, practice tests greatly help prepare for your written air brake test. Please contact us for some helpful practice tests.