Manitoba Air Brake Test 08

Remember to take your time and read each question carefully. You’ll be rewarded for your hard work with the feeling of passing with flying colors. Passing this exam not only means that you have met the legal requirements to operate an air brake-equipped vehicle but also demonstrates your dedication to your profession and your commitment to safety on the road. Keep up the great work!

1 / 30

While inspecting the tractor protection system, which is not a major defect?

Trailer supply valve closes below 20 psi

Air exhausts from the trailer service line

Trailer supply valve does not close at all

Trailer supply valve does not open

2 / 30

Which is not a defect when inspecting brake chambers?

Cracks and non-manufactured holes

Matched slack-adjuster length on a steering axle

Audible air leaks

Mismatched air brake chamber size on steering axle

3 / 30

Should inspection of brake adjustment be carried out whether automatic or manual slack adjusters are used?

Only for manual

Only for the first 20,000 km traveled

Yes

4 / 30

What kind of defect is it when the pressure drop exceeds the value specified for the vehicle?

Major

It just needs to be noted

Minor

It's not a defect

5 / 30

The brake on each end of an axle should have the ____ air brake chamber to ensure brake forces are balanced.

same size

different size

larger left size

larger right size

6 / 30

Why are automatic slack or brake adjusters used?

To help match newer brake systems to older trailers

To avoid the need to regularly perform manual brake re-adjustment

None of the above

To adapt older vehicles to newer trailers

7 / 30

In Manitoba, who can perform brake re-adjustments on manual slack adjusters

Only certified technicians and drivers with an S brake endorsement

Any technician

Every vehicle owner

Every driver

8 / 30

When you're inspecting all brake drums and rotors, what are you looking for?

Proper size

Cracks or breaks

Swelling

Shrinking

9 / 30

What kind of defect is it while inspecting the air pressure build-up rate (compressor operation) and the air-pressure build-up time is greater than two minutes?

It just needs to be noted

It's not a defect

Minor

Major

10 / 30

Which is not a step when inspecting brake chambers?

Inspect the slack-adjusters on the steering axle to ensure they are the same length

Inspect all brake chambers to ensure there are no cracks or non-manufactured holes

Turn off the engine

Apply service brakes and listen for audible air leaks from the brake chambers

11 / 30

What are drivers required to do to obtain an S air brake endorsement?

Show how to visually inspect the slack adjusters

Demonstrate the proper method for adjusting manual slack adjusters

None of the above

Demonstrate the proper method of identifying the need for adjustments

12 / 30

Do automatic slack adjusters require regular re-adjustment?

Yes

Every 2 weeks

No if they are working properly

Once a month

13 / 30

While inspecting the governor operation, what kind of defect is it when the cut-out pressure is below 120 psi?

It's not a defect

Minor

It just needs to be adjusted

Major

14 / 30

When inspecting the air lines for wear or damage, what are you not looking for?

Cuts

Abrasions

Improper repairs

A mix of new and old lines

15 / 30

While inspecting the governor operation, what kind of defect is it when the cut-in pressure is below 100 psi?

It just needs to be repaired

Major

Minor

It's not a defect

16 / 30

If the driver already has an air brake endorsement, do they have to do any other testing to get the S endorsement?

Only if held for less than 6 months

Only if they now will be towing tandem trailers

No,

Yes

17 / 30

While inspecting the governor operation, what kind of defect is it when the cut-out pressure is above 145 psi?

Major

It just needs to be noted

Minor

It's not a defect

18 / 30

Do the brake chamber on the steering axle have to be the same size?

Depending on the age of the vehicle

Depending on the distance travelled

Yes

19 / 30

Which of the following is not a defect when inspecting air compressors?

Insecure air compressor mounting, bracket or fastener.

Correct length of the belt

Loose air-compressor drive belt pulley

Loose, cut or frayed air compressor drive belt

20 / 30

When you establish the correct pushrod stroke, how much should you back off the adjusting bolt?

1/3 a turn

1/4 a turn

1/2 a turn

2/3 a turn

21 / 30

What is not one of the defects associated with accessible air lines?

Improper fittings used to connect or repair an air line

Audible air leak

Damaged or worn air line

Short air line

22 / 30

When brakes with manual slack adjusters are out of adjustment, how must they be re-adjusted?

So that the pushrod stroke is less than the adjustment limit

So that the pushrod stroke is more than the adjustment limit

So that the pushrod stroke is equal to the adjustment limit

So that the pushrod stroke is double to the adjustment limit

23 / 30

What kind of defect is it when the low-air warning device fails to activate or activates below 55 psi?

It just needs to be noted

It's not a defect

Minor

Major

24 / 30

Measuring applied pushrod stroke is a reliable method for inspecting brake adjustment?

Yes

Only by a certified technician

It's impossible

25 / 30

What does it mean if periodic re-adjustments are required?

They are doing their job

They are new

None of the above

They are defective

26 / 30

When pushrod stroke exceeds the adjustment limit of the brake chamber, is the brake is out of adjustment?

Depends on the size of the chamber

Yes

Depends on the size of the pushrod

27 / 30

When performing the tug test, which of the following is not a major defect?

Trailer spring brakes do not hold the vehicle in place

Tractor spring brakes do not hold the vehicle in place

Tractor spring brakes are not release when the service brakes are applied

Service brakes are not able to reasonably stop the vehicle

28 / 30

Most manual slack adjusters have a spring-loaded locking sleeve. What must be done so the adjusting bolt can be turned?

It must be pulled out

Nothing

It must be pressed in

It must be held in position tightly

29 / 30

Which is not an inspection method for foundation brakes?

Keep the vehicle in low gear and remove chocks

Inspect all foundation brake components to ensure they are functioning correctly, and are not damaged or missing

Without brake applied, ensure the lining has adequate thickness, and is not missing, cracked or contaminated with grease or oil

Apply brakes and inspect brake lining to make sure it is contacting the drum

30 / 30

Which statement is false? When inspecting air compressors...

Ensure the engine is running

Inspect the air compressor to ensure that it is mounted properly, and all brackets and fasteners are secure

Inspect the air compressor drive belt pulley (if equipped) to ensure that it is secure and in good condition

Ensure the air compressor drive belt has proper tension and is secure. Look for cuts or frays

Your score is

Manitoba Air Brake Test 08

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