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

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 forces it into the supply lines

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

2 / 30

The compressor is driven by...

A battery

The vehicle's engine

A separate generator

Air force

3 / 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 less costly than hydraulic brakes

They have proven their reliability

They are usually more powerful than hydraulic systems

4 / 30

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

With certain vehicles only

Yes

Only while towing trailers

5 / 30

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

The vehicle's load

The type of pedal being used

All of these

The driver

6 / 30

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

Installed on the dashboard

Beside the driver's seat

In the ceiling of the cab

None of these

7 / 30

How many types of warning devices for low air pressure?

Two

Three

One

Four

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...

30 psi

55 psi

25 psi

65 psi

9 / 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

10 / 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

11 / 30

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

Just the tractor

To the first trailer only

To the tractor and trailer

To the trailer

12 / 30

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

Not if there are multiple reservoirs

Yes

Only if towing a trailer

13 / 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 keep your hands nimble

To allow the air to flow smoothly

14 / 30

The compressed air provides the power required to do what?

Activate the service brake and release the parking brake

Turn on the compressor

Start the engine

Apply the parking brake

15 / 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

16 / 30

What happens when you pull on the parking brake control?

The wheels lock instantly

Air is released from the vehicle's brake chambers

Nothing happens

The brakes grab

17 / 30

The first reservoir is referred to as the...

Primary

Supply

Secondary

None of these

18 / 30

Heavy vehicles have at least how many compressed air reservoirs?

Two

Five

Six

Three

19 / 30

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

Weekly

Every 72 hours

Every 48 hours

Daily

20 / 30

Where is the air purifier located?

Beside the two-way valve

Under the foot valve

In front of the one-way valve

Between the air compressor and the supply reservoir

21 / 30

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

Depending on the vehicle

Yes

Only uphill braking

22 / 30

The air pressure gauge measures...

The air pressure in the brake chambers

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

23 / 30

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

Service brakes

Emergency brakes

Cable brakes

Parking brakes

24 / 30

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

Yellow diamond

Red diamond

Yellow triangle

Yellow circle

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 vehicle stops

The air pressure gauge drops to zero

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

The wheels lock

26 / 30

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

105 psi

65 psi

75 psi

125 psi

27 / 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

28 / 30

The first reservoir receives compressed air directly from...

The service reservoir

The service lines

The secondary reservoir

The compressor

29 / 30

What is the air purifier also referred to as?

Air bleeder

Air sensor

Air filter

Air dryer

30 / 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 cause brake fade

It may cease up

It may cause a flat tire

Your score is

Quebec Air Brake Test 01

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