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

Heavy vehicles have at least how many compressed air reservoirs?

Five

Two

Six

Three

2 / 30

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

In the ceiling of the cab

Installed on the dashboard

None of these

Beside the driver's seat

3 / 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

25 psi

65 psi

30 psi

4 / 30

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

Outside air flow

Its own compressor

The service reservoirs of the truck or tractor

Brake chambers

5 / 30

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

It may cease up

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

It may cause a flat tire

It may cause brake fade

6 / 30

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

With certain vehicles only

Only while towing trailers

Yes

7 / 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

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 have proven their reliability

8 / 30

The first reservoir is referred to as the...

Primary

Supply

Secondary

None of these

9 / 30

The compressed air provides the power required to do what?

Start the engine

Turn on the compressor

Apply the parking brake

Activate the service brake and release the parking brake

10 / 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

11 / 30

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

Yellow triangle

Red diamond

Yellow circle

Yellow diamond

12 / 30

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

To the trailer

To the tractor and trailer

Just the tractor

To the first trailer only

13 / 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 keep your hands nimble

All of these

To allow the air to flow smoothly

14 / 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

15 / 30

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

Yes

Only uphill braking

Depending on the vehicle

16 / 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 sends it to the governor

It forces it into the supply lines

17 / 30

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

The driver

All of these

The type of pedal being used

The vehicle's load

18 / 30

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

60 psi

110 psi

80 psi

50 psi

19 / 30

The air pressure gauge measures...

The air pressure in the brake chambers

The air pressure in the service line

The air pressure in the spring brakes

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

20 / 30

What is the air purifier also referred to as?

Air sensor

Air bleeder

Air dryer

Air filter

21 / 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

22 / 30

How many types of warning devices for low air pressure?

One

Three

Two

Four

23 / 30

The compressor is driven by...

A separate generator

A battery

Air force

The vehicle's engine

24 / 30

Your service brakes will not work properly unless...

You unblock the wheels

You turn off the compressor

The compressed air reservoirs are adequately filled

All of these

25 / 30

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

125 psi

75 psi

65 psi

105 psi

26 / 30

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

Every 72 hours

Every 48 hours

Daily

Weekly

27 / 30

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

Emergency brakes

Service brakes

Parking brakes

Cable brakes

28 / 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

29 / 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

30 / 30

The first reservoir receives compressed air directly from...

The service reservoir

The service lines

The compressor

The secondary reservoir

Your score is

Quebec Air Brake Test 01

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