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

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

Weekly

Every 72 hours

Every 48 hours

Daily

2 / 30

What is the air purifier also referred to as?

Air sensor

Air bleeder

Air dryer

Air filter

3 / 30

Where is the air purifier located?

In front of the one-way valve

Beside the two-way valve

Under the foot valve

Between the air compressor and the supply reservoir

4 / 30

Heavy vehicles have at least how many compressed air reservoirs?

Six

Two

Three

Five

5 / 30

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

The service reservoirs of the truck or tractor

Brake chambers

Its own compressor

Outside air flow

6 / 30

How many types of warning devices for low air pressure?

Two

One

Three

Four

7 / 30

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

105 psi

125 psi

65 psi

75 psi

8 / 30

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

Beside the driver's seat

In the ceiling of the cab

None of these

Installed on the dashboard

9 / 30

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

Yes

Not if there are multiple reservoirs

Only if towing a trailer

10 / 30

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

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

To allow the air to flow smoothly

To keep your hands nimble

All of these

11 / 30

The air pressure gauge measures...

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

The air pressure in the spring brakes

The air pressure in the brake chambers

The air pressure in the service line

12 / 30

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

Parking brakes

Emergency brakes

Service brakes

Cable brakes

13 / 30

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

The brake pedal

The trailer lever

None of these

The trailer valve

14 / 30

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

Yellow circle

Yellow diamond

Red diamond

Yellow triangle

15 / 30

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

They have proven their reliability

They are usually more powerful than hydraulic systems

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

16 / 30

The first reservoir is referred to as the...

Secondary

Supply

None of these

Primary

17 / 30

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

It may cause a flat tire

It may cause brake fade

It may cease up

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

18 / 30

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

80 psi

110 psi

50 psi

60 psi

19 / 30

The compressed air provides the power required to do what?

Apply the parking brake

Turn on the compressor

Activate the service brake and release the parking brake

Start the engine

20 / 30

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

Depending on the vehicle

Only uphill braking

Yes

21 / 30

Your service brakes will not work properly unless...

All of these

You unblock the wheels

You turn off the compressor

The compressed air reservoirs are adequately filled

22 / 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

23 / 30

What happens when you pull on the parking brake control?

Air is released from the vehicle's brake chambers

The brakes grab

Nothing happens

The wheels lock instantly

24 / 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 vehicle's load

The driver

25 / 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 wheels lock

The vehicle stops

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

26 / 30

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

To the tractor and trailer

To the trailer

To the first trailer only

Just the tractor

27 / 30

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

It sends it to the governor

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

28 / 30

The first reservoir receives compressed air directly from...

The compressor

The service reservoir

The secondary reservoir

The service lines

29 / 30

The compressor is driven by...

Air force

A battery

A separate generator

The vehicle's engine

30 / 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

65 psi

55 psi

25 psi

Your score is

Quebec Air Brake Test 01

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