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

Your service brakes will not work properly unless...

You unblock the wheels

The compressed air reservoirs are adequately filled

You turn off the compressor

All of these

2 / 30

What is the air purifier also referred to as?

Air bleeder

Air dryer

Air filter

Air sensor

3 / 30

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

It may cause brake fade

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

It may cause a flat tire

It may cease up

4 / 30

The compressed air provides the power required to do what?

Turn on the compressor

Activate the service brake and release the parking brake

Start the engine

Apply the parking brake

5 / 30

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

65 psi

125 psi

75 psi

105 psi

6 / 30

The air pressure gauge measures...

The air pressure in the service line

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

7 / 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

8 / 30

The compressor is driven by...

The vehicle's engine

A separate generator

A battery

Air force

9 / 30

How many types of warning devices for low air pressure?

One

Three

Two

Four

10 / 30

The first reservoir is referred to as the...

Secondary

Primary

Supply

None of these

11 / 30

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

80 psi

50 psi

60 psi

110 psi

12 / 30

Heavy vehicles have at least how many compressed air reservoirs?

Six

Two

Five

Three

13 / 30

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

Service brakes

Cable brakes

Emergency brakes

Parking brakes

14 / 30

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

Red diamond

Yellow triangle

Yellow diamond

Yellow circle

15 / 30

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

Just the tractor

To the trailer

To the first trailer only

To the tractor and trailer

16 / 30

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

Yes

Only if towing a trailer

Not if there are multiple reservoirs

17 / 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 valve

The trailer lever

The brake pedal

18 / 30

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

The driver

The type of pedal being used

All of these

The vehicle's load

19 / 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...

65 psi

30 psi

25 psi

55 psi

20 / 30

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

To keep your hands nimble

All of these

To allow the air to flow smoothly

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

21 / 30

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

Yes

Depending on the vehicle

Only uphill braking

22 / 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

23 / 30

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

They are less costly than hydraulic brakes

They have proven their reliability

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

24 / 30

What happens when you pull on the parking brake control?

Air is released from the vehicle's brake chambers

The brakes grab

The wheels lock instantly

Nothing happens

25 / 30

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

Every 48 hours

Daily

Every 72 hours

Weekly

26 / 30

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

Beside the driver's seat

In the ceiling of the cab

Installed on the dashboard

None of these

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 supply reservoir

It compresses its volume and then sends the compressed air into the secondary reservoir

It forces it into the supply lines

28 / 30

The first reservoir receives compressed air directly from...

The service reservoir

The compressor

The service lines

The secondary reservoir

29 / 30

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

Outside air flow

The service reservoirs of the truck or tractor

Brake chambers

Its own compressor

30 / 30

Where is the air purifier located?

In front of the one-way valve

Between the air compressor and the supply reservoir

Under the foot valve

Beside the two-way valve

Your score is

Quebec Air Brake Test 01

About

Practice Tests

Getting a License

Get In Touch