Manitoba Air Brake Test 07

Congratulations on taking the free Manitoba Air Brake practice test! This is a crucial step towards becoming a licensed truck or bus driver in Manitoba. By taking advantage of this free resource, you have already demonstrated your commitment to being a safe and responsible driver. It’s important to put in the effort to study and prepare for the official exam, which you can now approach with confidence.

1 / 30

Which is not a step to test tractor spring brakes?

There should be no significant movement of the vehicle

Ensure the trailer supply valve is closed

Gently apply engine power in a low gear

Ensure the trailer supply valve is open and the tractor spring brakes are applied

2 / 30

If the vehicles fails the test for measuring applied pushrod stroke, which kind of defect is it?

It just need to be noted, but not reported

It's not a defect

Minor

Major

3 / 30

What is the most common size of brake chamber?

4 / 30

Which is not a step for testing governor operation?

Release the chocks from the vehicle and release the tractor spring brakes

Fan the brakes to lower the system pressure and note the cut-in pressure setting

Run the engine until air brake system pressure reaches its maximum level and note the cut-out pressure setting

Observe the primary and secondary air-tank pressure gauges

5 / 30

Which statement is false? Long-stroke brake chambers can be identified by these visible characteristics...

The air lines attach to a square port in the brake chamber body

The air lines attach to a hexagon port in the brake chamber body.

A trapezoidal tag is placed under the clamp bolt that indicates the brake chamber's maximum stroke dimension

Markings are placed on the brake chamber body to indicate that it is a long-stroke brake chamber

6 / 30

To test the automatic application of the trailer spring brakes, brake application may be confirmed by doing what?

Gently applying engine power to move the vehicle forward or backward

Aggressively applying engine power to move the vehicle forward or backward

None of the above

Pulling in the lines

7 / 30

When testing system air-loss for a tractor and two or more trailers, what is the maximum allowable air loss?

4 psi per minute

5 psi per minute

3 psi per minute

6 psi per minute

8 / 30

Which is not a step for testing the automatic application of the trailer spring brakes?

If necessary, confirm brake application by attempting to gently move the vehicle forward or backward

Pull out the trailer supply valve to close it

Listen for air exhausting, indicating application of the trailer's spring brakes

Ensure the air brake system is below its normal operating pressure range

9 / 30

Should drivers be fully trained in the proper use of brake-stroke indicators?

The owner should

The maintenance team should

Yes

10 / 30

Is discharging a significant quantity of moisture from the remaining air tanks, other than the supply tank normal?

Only from the secondary tank

Yes

None of the above

11 / 30

Which is not a step to test the air tank drain valves?

Watch the discharge from each air tank and ensure that all air tank drain valves function properly

Ensure that the air brake system is below its normal operating pressure range

Locate and drain the remaining air tanks

Locate and drain the supply tank until the valve discharges only clean air

12 / 30

When oil is found in any other air tank other than the wet tank, what is the problem?

A risk of compressor breakdown

There is no risk

A risk of air brake system contamination

The governor is breaking down

13 / 30

If the vehicle fails the test for system air-loss, it must be reported to the operator and repaired...

Or the owner is fined

Before the vehicle can be operating again

Before the next inspection

Or the driver is fined

14 / 30

When there is a sudden increase in the amount of moisture or oil drained from any tank, does the condition have to be reported?

Only for the primary tank

Yes

Just for the secondary tank

15 / 30

To test the trailer supply valve, which line is disconnected?

The discharge line

The governor line

The supply line

The delivery line

16 / 30

Opening the trailer supply valve to fully charge the trailer, then pull out the trailer supply valve to close I so the trailer spring brakes should apply. What else does this?

Nothing

Disconnecting the trailer emergency line

Disconnecting the trailer air-supply line

Disconnecting the trailer discharge line

17 / 30

Brake adjustment limits vary depending on the size and type of what?

The vehicle

The pushrod size

The slack adjuster

The air brake chamber

18 / 30

If the vehicle fails the test when testing the air-tank drain valves, what kind of defect is it?

Major

It is not a defect

Minor

It just needs to be noted, but not reported

19 / 30

The most visible and permanent of the markings used to identify long-stroke brake chambers are...

The round ports

The triangle ports

The hexagon ports

The square ports

20 / 30

Which is not a step to test trailer spring brakes?

Double clutch and move the vehicle forward

There should be no significant movement of the vehicle

Close the trailer supply valve and release the tractor spring brakes.

Gently apply engine power in a low gear

21 / 30

To test the tractor protection valve, the trailer supply valve must be...

Repaired

Open

On standby

Closed

22 / 30

Which is not a step to test trailer service brakes?

Ensure the trailer supply valve is closed

Gently apply engine power in a low gear

Apply the hand valve

Release the hand valve

23 / 30

Which is not a step to test service brakes?

Move the vehicle forward in a low gear and at a slow speed

Ensure the trailer supply valve is closed

Apply the service brakes and ensure the brake application stops the vehicle

Ensure the trailer supply valve is open and release the tractor spring parking brakes

24 / 30

Which tank should always be drained first to prevent accumulated moisture?

It doesn't matter

The supply tank

The primary tank

The secondary tank

25 / 30

When inspecting the brake adjustment, what should the air pressure be?

Above 100 psi

Above 90 psi

Between 60 and 70 psi

Above 110 psi

26 / 30

As the brakes wear, what happens to the brake pushrod stroke?

It varies

It increases

It decreases

It remains the same

27 / 30

Why do brake-stroke indicators include external reference points?

To provide a physical block to shorten the stroke

To provide an audible indication of the applied pushrod stroke

To provide a visual indication of the applied pushrod stroke

To allow the pushrod to extend

28 / 30

To determine whether brake adjustment is correct, the pushrod stroke must be inspected how often?

Daily

Every 12 hours

Every 36 hours

Every 8 hours

29 / 30

Brake-stroke indicators can also be fitted to what?

The slack adjustor

The pushrod

The brake linkage

None of the above

30 / 30

When testing system air-loss for a tractor and trailer, what is the maximum allowable air loss?

4 psi per minute

3 psi per minute

5 psi per minute

6 psi per minute

Your score is

Manitoba Air Brake Test 07

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