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

The first reservoir is referred to as the...

Secondary

Primary

Supply

None of these

2 / 30

The first reservoir receives compressed air directly from...

The service reservoir

The secondary reservoir

The compressor

The service lines

3 / 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

4 / 30

The compressor is driven by...

The vehicle's engine

A separate generator

A battery

Air force

5 / 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

6 / 30

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

Daily

Every 48 hours

Every 72 hours

Weekly

7 / 30

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

The service reservoirs of the truck or tractor

Outside air flow

Brake chambers

Its own compressor

8 / 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

9 / 30

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

To the tractor and trailer

Just the tractor

To the first trailer only

To the trailer

10 / 30

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

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

It may cease up

It may cause a flat tire

It may cause brake fade

11 / 30

Heavy vehicles have at least how many compressed air reservoirs?

Five

Two

Three

Six

12 / 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

25 psi

55 psi

13 / 30

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

Parking brakes

Emergency brakes

Cable brakes

Service brakes

14 / 30

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

Only uphill braking

Yes

Depending on the vehicle

15 / 30

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

Yellow circle

Red diamond

Yellow triangle

Yellow diamond

16 / 30

What is the air purifier also referred to as?

Air bleeder

Air filter

Air dryer

Air sensor

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

What happens when you pull on the parking brake control?

The wheels lock instantly

The brakes grab

Nothing happens

Air is released from the vehicle's brake chambers

19 / 30

How many types of warning devices for low air pressure?

Three

Four

Two

One

20 / 30

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

In the ceiling of the cab

Beside the driver's seat

None of these

Installed on the dashboard

21 / 30

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

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

To keep your hands nimble

22 / 30

Your service brakes will not work properly unless...

All of these

You unblock the wheels

The compressed air reservoirs are adequately filled

You turn off the compressor

23 / 30

What of the following is not an advantage of air 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 are usually more powerful than hydraulic systems

They have proven their reliability

They are less costly than hydraulic brakes

24 / 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

25 / 30

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

75 psi

125 psi

105 psi

65 psi

26 / 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 service line

The air pressure in the brake chambers

27 / 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 air pressure gauge drops to zero

The wheels lock

The vehicle stops

28 / 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

29 / 30

The compressed air provides the power required to do what?

Activate the service brake and release the parking brake

Turn on the compressor

Apply the parking brake

Start the engine

30 / 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

Your score is

Quebec Air Brake Test 01

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