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

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

All of these

To allow the air to flow smoothly

To keep your hands nimble

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

2 / 30

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

In the ceiling of the cab

Installed on the dashboard

Beside the driver's seat

None of these

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

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

Yes

Only uphill braking

Depending on the vehicle

5 / 30

Heavy vehicles have at least how many compressed air reservoirs?

Six

Five

Two

Three

6 / 30

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

Yes

Only while towing trailers

With certain vehicles only

7 / 30

What is the air purifier also referred to as?

Air filter

Air dryer

Air sensor

Air bleeder

8 / 30

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

Every 72 hours

Weekly

Every 48 hours

Daily

9 / 30

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

None of these

The trailer lever

The brake pedal

The trailer valve

10 / 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

11 / 30

Where is the air purifier located?

Beside the two-way valve

Between the air compressor and the supply reservoir

In front of the one-way valve

Under the foot valve

12 / 30

Your service brakes will not work properly unless...

The compressed air reservoirs are adequately filled

All of these

You unblock the wheels

You turn off the compressor

13 / 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

The wheels lock

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

14 / 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

15 / 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

16 / 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

17 / 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

18 / 30

How many types of warning devices for low air pressure?

One

Three

Two

Four

19 / 30

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

It may cease up

It may cause a flat tire

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

It may cause brake fade

20 / 30

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

Brake chambers

Outside air flow

The service reservoirs of the truck or tractor

Its own compressor

21 / 30

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

Service brakes

Cable brakes

Emergency brakes

Parking brakes

22 / 30

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

125 psi

75 psi

105 psi

65 psi

23 / 30

The compressed air provides the power required to do what?

Turn on the compressor

Apply the parking brake

Start the engine

Activate the service brake and release the parking brake

24 / 30

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

To the first trailer only

Just the tractor

To the trailer

To the tractor and trailer

25 / 30

The first reservoir receives compressed air directly from...

The compressor

The secondary reservoir

The service lines

The service reservoir

26 / 30

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

Yellow triangle

Yellow diamond

Yellow circle

Red diamond

27 / 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

28 / 30

The first reservoir is referred to as the...

Primary

None of these

Supply

Secondary

29 / 30

The compressor is driven by...

A battery

The vehicle's engine

A separate generator

Air force

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...

25 psi

55 psi

30 psi

65 psi

Your score is

Quebec Air Brake Test 01

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