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 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

30 psi

25 psi

65 psi

2 / 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

3 / 30

Your service brakes will not work properly unless...

You unblock the wheels

You turn off the compressor

All of these

The compressed air reservoirs are adequately filled

4 / 30

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

Brake chambers

Its own compressor

The service reservoirs of the truck or tractor

Outside air flow

5 / 30

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

Cable brakes

Parking brakes

Emergency brakes

Service brakes

6 / 30

The compressed air provides the power required to do what?

Activate the service brake and release the parking brake

Apply the parking brake

Turn on the compressor

Start the engine

7 / 30

How many types of warning devices for low air pressure?

Three

Two

Four

One

8 / 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 service reservoirs of a bus, truck or tractor

The air pressure in the spring brakes

9 / 30

Where is the air purifier located?

In front of the one-way valve

Beside the two-way valve

Between the air compressor and the supply reservoir

Under the foot valve

10 / 30

Heavy vehicles have at least how many compressed air reservoirs?

Five

Three

Six

Two

11 / 30

Once the air compressor draws in and stores air from the outside, what does it do with it?

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

It sends it to the governor

12 / 30

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

Yellow triangle

Yellow diamond

Red diamond

Yellow circle

13 / 30

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

Only while towing trailers

With certain vehicles only

Yes

14 / 30

The compressor is driven by...

The vehicle's engine

A separate generator

A battery

Air force

15 / 30

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

All of these

To keep your hands nimble

To allow the air to flow smoothly

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

16 / 30

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

75 psi

125 psi

65 psi

105 psi

17 / 30

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

The trailer valve

The trailer lever

None of these

The brake pedal

18 / 30

The first reservoir receives compressed air directly from...

The service lines

The service reservoir

The secondary reservoir

The compressor

19 / 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 are less costly than hydraulic brakes

They have proven their reliability

20 / 30

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

Depending on the vehicle

Only uphill braking

Yes

21 / 30

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

To the tractor and trailer

Just the tractor

To the trailer

To the first trailer only

22 / 30

The first reservoir is referred to as the...

None of these

Secondary

Supply

Primary

23 / 30

What is the air purifier also referred to as?

Air sensor

Air bleeder

Air dryer

Air filter

24 / 30

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

Weekly

Daily

Every 48 hours

Every 72 hours

25 / 30

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

The type of pedal being used

All of these

The vehicle's load

The driver

26 / 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

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

27 / 30

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

110 psi

80 psi

60 psi

50 psi

28 / 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 brake fade

It may cause a flat tire

29 / 30

What happens when you pull on the parking brake control?

Nothing happens

Air is released from the vehicle's brake chambers

The wheels lock instantly

The brakes grab

30 / 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

Your score is

By WordPress Quiz plugin

Quebec Air Brake Test 01

About

Practice Tests

Getting a License

Get In Touch