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

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

They are usually more powerful than hydraulic systems

They are less costly than hydraulic 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

2 / 30

How many types of warning devices for low air pressure?

Three

Four

One

Two

3 / 30

Heavy vehicles have at least how many compressed air reservoirs?

Three

Six

Two

Five

4 / 30

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

Red diamond

Yellow triangle

Yellow circle

Yellow diamond

5 / 30

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

Installed on the dashboard

In the ceiling of the cab

None of these

Beside the driver's seat

6 / 30

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

The air pressure gauge drops to zero

The vehicle stops

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

The wheels lock

7 / 30

What happens when you pull on the parking brake control?

The wheels lock instantly

The brakes grab

Air is released from the vehicle's brake chambers

Nothing happens

8 / 30

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

60 psi

80 psi

50 psi

110 psi

9 / 30

Your service brakes will not work properly unless...

All of these

You turn off the compressor

The compressed air reservoirs are adequately filled

You unblock the wheels

10 / 30

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

It may cause brake fade

It may cause a flat tire

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

It may cease up

11 / 30

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

The trailer valve

None of these

The brake pedal

The trailer lever

12 / 30

The compressor is driven by...

The vehicle's engine

A battery

Air force

A separate generator

13 / 30

The first reservoir is referred to as the...

Supply

Primary

Secondary

None of these

14 / 30

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

To allow the air to flow smoothly

To keep your hands nimble

All of these

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

15 / 30

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

Just the tractor

To the tractor and trailer

To the trailer

To the first trailer only

16 / 30

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

All of these

The vehicle's load

The driver

The type of pedal being used

17 / 30

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

Only if towing a trailer

Not if there are multiple reservoirs

Yes

18 / 30

What is the air purifier also referred to as?

Air bleeder

Air filter

Air dryer

Air sensor

19 / 30

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

75 psi

65 psi

125 psi

105 psi

20 / 30

The compressed air provides the power required to do what?

Turn on the compressor

Start the engine

Apply the parking brake

Activate the service brake and release the parking brake

21 / 30

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

Outside air flow

Its own compressor

Brake chambers

The service reservoirs of the truck or tractor

22 / 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...

30 psi

25 psi

55 psi

65 psi

23 / 30

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

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

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

It forces it into the supply lines

It sends it to the governor

24 / 30

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

Only while towing trailers

Yes

With certain vehicles only

25 / 30

Where is the air purifier located?

Under the foot valve

Beside the two-way valve

In front of the one-way valve

Between the air compressor and the supply reservoir

26 / 30

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

Service brakes

Parking brakes

Cable brakes

Emergency brakes

27 / 30

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

Only uphill braking

Depending on the vehicle

Yes

28 / 30

The air pressure gauge measures...

The air pressure in the spring brakes

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

The air pressure in the brake chambers

The air pressure in the service line

29 / 30

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

Every 48 hours

Weekly

Every 72 hours

Daily

30 / 30

The first reservoir receives compressed air directly from...

The secondary reservoir

The service reservoir

The compressor

The service lines

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Quebec Air Brake Test 01

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