Quebec Air Brake Test 01

The free practice test is designed to simulate the real exam, giving you a better understanding of what to expect and helping you identify any weak areas requiring extra attention. Additionally, practicing with the free test can help build your confidence and reduce your anxiety on exam day. With the right knowledge, preparation, and a positive mindset, you can pass your air brake exam and take one step closer to your career goals.

1 / 30

Can the handbrake ever be used as a parking brake or, when on the road, as a service brake?

Yes

With certain vehicles only

Only while towing trailers

2 / 30

Where is the air purifier located?

Between the air compressor and the supply reservoir

In front of the one-way valve

Beside the two-way valve

Under the foot valve

3 / 30

To eliminate them, how often do the reservoirs need to be emptied completely?

Every 72 hours

Weekly

Every 48 hours

Daily

4 / 30

The amount of air pressure required may vary from one vehicle to another and is affected by...

All of these

The type of pedal being used

The driver

The vehicle's load

5 / 30

Which statement is false? All brake systems include...

Cable brakes

Service brakes

Parking brakes

Emergency brakes

6 / 30

In winter, why should you bleed the reservoirs after operating your vehicle while it is still warm?

To keep your hands nimble

All of these

To avoid the risk of the valves freezing up and remaining stuck in the open position

To allow the air to flow smoothly

7 / 30

What is used to activate the service brakes on all of the wheels of the trailer or semi-trailer?

The brake pedal

None of these

The trailer valve

The trailer lever

8 / 30

The level at which the low air pressure indicator is activated varies depending on the vehicle's brake system, but is never lower than...

55 psi

30 psi

25 psi

65 psi

9 / 30

How many types of warning devices for low air pressure?

Three

Four

Two

One

10 / 30

The air compressor generally begins operating when the air pressure in the service reservoirs drops below...

65 psi

105 psi

75 psi

125 psi

11 / 30

Trailers and semi-trailers have their own compressed air reservoirs that are supplied by...

The service reservoirs of the truck or tractor

Its own compressor

Brake chambers

Outside air flow

12 / 30

The compressed air provides the power required to do what?

Turn on the compressor

Activate the service brake and release the parking brake

Apply the parking brake

Start the engine

13 / 30

What is the air purifier also referred to as?

Air filter

Air dryer

Air sensor

Air bleeder

14 / 30

The first reservoir is referred to as the...

None of these

Supply

Secondary

Primary

15 / 30

Is it essential for the air to be clean if the brake system is to perform well?

Only if towing a trailer

Yes

Not if there are multiple reservoirs

16 / 30

What happens when you pull on the parking brake control?

The wheels lock instantly

Nothing happens

The brakes grab

Air is released from the vehicle's brake chambers

17 / 30

The pressure regulator starts the air compressor before the air pressure in the reservoirs drops to...

80 psi

60 psi

110 psi

50 psi

18 / 30

The first reservoir receives compressed air directly from...

The compressor

The service reservoir

The secondary reservoir

The service lines

19 / 30

The air pressure gauge measures...

The air pressure in the spring brakes

The air pressure in the brake chambers

The air pressure in the service line

The air pressure in the service reservoirs of a bus, truck or tractor

20 / 30

Your service brakes will not work properly unless...

All of these

The compressed air reservoirs are adequately filled

You unblock the wheels

You turn off the compressor

21 / 30

This hand brake control is used to apply the service brakes...

To the trailer

To the tractor and trailer

To the first trailer only

Just the tractor

22 / 30

Heavy vehicles have at least how many compressed air reservoirs?

Two

Six

Five

Three

23 / 30

If the compressor fails, will the service brakes still work for a while?

Depending on the vehicle

Only uphill braking

Yes

24 / 30

What happens if the air pressure drops so low in one of the circuits that the service brakes are unable to work effectively?

A visual warning device is activated to alert the driver, sometimes accompanied by a buzzer

The wheels lock

The air pressure gauge drops to zero

The vehicle stops

25 / 30

The parking brake control is located on the dashboard and is what colour and shape?

Yellow diamond

Yellow triangle

Red diamond

Yellow circle

26 / 30

Once the air compressor draws in and stores air from the outside, what does it do with it?

It forces it into the supply lines

It sends it to the governor

It compresses its volume and then sends the compressed air into the supply reservoir

It compresses its volume and then sends the compressed air into the secondary reservoir

27 / 30

What of the following is not an advantage of air brakes?

They have proven their reliability

It is easy to connect other vehicles and other air-powered equipment to them. For example, compressed air is now used for the suspension and certain other equipment

They are less costly than hydraulic brakes

They are usually more powerful than hydraulic systems

28 / 30

The hand brake is either attached to the steering column or...

Beside the driver's seat

Installed on the dashboard

In the ceiling of the cab

None of these

29 / 30

The compressor is driven by...

Air force

A separate generator

The vehicle's engine

A battery

30 / 30

What happens if you use the hand brake as a service brake?

It may cause a flat tire

It may cease up

It may cause brake fade

The braking effect will not be equally distributed over all the wheels in the vehicle combination

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Quebec Air Brake Test 01

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