Manitoba Air Brake Test 02

The practice test is designed to simulate the experience of the official exam, providing you with a realistic preview of what to expect. By taking advantage of this resource and mastering the air brake system, you can become a safe and skilled driver on the road. So why risk failing your exam? Take the free practice test today and be confident in your ability to pass with flying colors.

1 / 30

The brakes that are used for normal stopping are referred to as...

Service brakes

Main brakes

Conditional brakes

Primary brakes

2 / 30

When air flows out of the supply tank, what stops it from returning to that tank?

A stopper valve

A plug valve

One-way check valves

A trap valve

3 / 30

Safety valves normally open at what psi?

120 psi

130 psi

150 psi

140 psi

4 / 30

What can the collected moisture and oil mixture from the supply tank form?

A solid

Nothing

Water

Sludge

5 / 30

What are the primary and secondary tanks referred to as?

The coupling tanks

The user tanks

The dual-service tanks

The double tanks

6 / 30

Where is an air dryer located?

Between the air compressor and the supply tank

Between the supply tank and the secondary tank

Between the air compressor and the governor

Under the foot valve

7 / 30

When air pressure in either the primary or secondary tank falls below the minimum amount required to bring the vehicle to a safe stop, what warns the driver?

A buzzer sounds from the axles

A warning device on the instrument panel will alert the driver

Nothing happens

A light flashes on the outside of the vehicle

8 / 30

The actual air brake system pressure range must never be higher than what?

130 psi

110 psi

125 psi

145 psi

9 / 30

Is it unsafe to drive a vehicle when the air pressure is outside the normal operating range?

Only at highway speeds

Yes

In poor weather only

10 / 30

Do vehicles using air dryers still have the air tanks drained regularly?

Only if a problem exists

Only when inspected by a peace officer

Yes

11 / 30

Cut-out pressure is normally how much above the cut-in pressure?

10 to 15 psi

30 to 35 psi

5 to 10 psi

20 to 25 psi

12 / 30

What is the normal air brake system pressure range?

130 to 150 psi

80 to 90 psi

70 to 80 psi

100 to 120 psi

13 / 30

Some older vehicles are equipped with a low-air warning device near the top of the windshield that drops into the driver's view when air pressure drops. What is this?

A wig wag

A mig mag

A toggle

A woggle

14 / 30

The normal pressure range of an air brake system is determined by the points where the air compressor is turned off. What is this referred to as?

Put-in pressure

Put-out pressure

Cut-out pressure

Turn-off pressure

15 / 30

Why should the supply tank always be drained first?

To prevent accumulated moisture flowing into the next tank being drained

It doesn't matter which tank is drained first

It's the first and easiest tank to reach

It's the biggest tank

16 / 30

Which are not some of the problems that can occur from the wet tank?

Moisture in the brake system remains warm and stops freezing in cold temperatures

The mixture of moisture and oil can become corrosive and damage the air tank and other system components

Too much moisture and oil collecting in the air tanks can reduce the volume of air and may cause brake failure

The collected moisture and oil mixture can form a sludge that can pass from the tank into other components of the air brake system

17 / 30

How is the moisture drained from the tanks?

Through the air-tank drain valve

By air drying it

By opening up the tank and scooping it out

By vacuuming the tank

18 / 30

What do some vehicles use to reduce the amount of moisture that passes into the air brake system?

An air dryer

A filter

A fan

Vents

19 / 30

To prevent the compressor from producing too much compressed air and to reduce the load on the engine, what is used in the air brake system to help?

A governor

A safety valve

A discharge line

A foot valve

20 / 30

What is added to the air brake system to help prevent moisture in the system from freezing?

None of the above

Alcohol vapour

Oil

Tablets

21 / 30

What are safety valves?

Used to build up more pressure in the system

Used for the parking brakes

Used to add enough air to the system

Used to prevent over-pressure of the system

22 / 30

Air compressors are generally powered directly by what?

The engine

Gasoline

A separate battery away from the engine

A secondary generator

23 / 30

When does the low air-pressure warning device activate?

Before pressure in either tank falls to 35 psi

Before pressure in either tank falls to 25 psi

Before pressure in either tank falls to 55 psi

Before pressure in either tank falls to 45 psi

24 / 30

When air pressure is high enough in the system, what does the governor do?

It sends a warning light to the dashboard

None of the above

It reduces the flow of air being pumped in

It causes the compressor to stop pumping air

25 / 30

Which statement is false? To avoid being in the direct path of air exhaust from the air brake system, you should be familiar with all the places where the compressed air exhausts, including...

Air-dryer exhaust port

Exhaust ports of brake valves

Air-tank drain valves when tanks are being drained

On or near the supply tanks

26 / 30

Where are the air tanks usually located?

Beside the engine

Next to the cab

None of the above

Under or around the frame of the vehicle

27 / 30

What is another name for the supply tank?

First tank

Wet tank

Pusher tank

Primary tank

28 / 30

What is another name for the primary and secondary tank?

Push tank

Second tank

First tank

Dry reservoir

29 / 30

Moisture and oil must be drained from the tanks how often?

Every 72 hours

Every 48 hours

Daily

Weekly

30 / 30

The air that is drawn in by the air compressor contains what?

Plastic particles

Metal fragments

Moisture

Nothing

Your score is

Manitoba Air Brake Test 02

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