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...

25 psi

55 psi

30 psi

65 psi

2 / 30

The air pressure gauge measures...

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

The air pressure in the brake chambers

3 / 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

4 / 30

Heavy vehicles have at least how many compressed air reservoirs?

Three

Six

Two

Five

5 / 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

6 / 30

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

Only uphill braking

Yes

Depending on the vehicle

7 / 30

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

60 psi

110 psi

80 psi

50 psi

8 / 30

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

The trailer lever

None of these

The trailer valve

The brake pedal

9 / 30

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

It may cease up

It may cause a flat tire

It may cause brake fade

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

10 / 30

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

They are usually more powerful than hydraulic systems

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

11 / 30

Your service brakes will not work properly unless...

You unblock the wheels

All of these

The compressed air reservoirs are adequately filled

You turn off the compressor

12 / 30

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

Yellow circle

Yellow diamond

Red diamond

Yellow triangle

13 / 30

The compressor is driven by...

A separate generator

A battery

The vehicle's engine

Air force

14 / 30

The first reservoir receives compressed air directly from...

The service reservoir

The compressor

The secondary reservoir

The service lines

15 / 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 wheels lock

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

The air pressure gauge drops to zero

The vehicle stops

16 / 30

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

Weekly

Every 72 hours

Daily

Every 48 hours

17 / 30

Where is the air purifier located?

Between the air compressor and the supply reservoir

Under the foot valve

Beside the two-way valve

In front of the one-way valve

18 / 30

What happens when you pull on the parking brake control?

The wheels lock instantly

Nothing happens

The brakes grab

Air is released from the vehicle's brake chambers

19 / 30

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

To the trailer

To the first trailer only

To the tractor and trailer

Just the tractor

20 / 30

How many types of warning devices for low air pressure?

Four

Three

One

Two

21 / 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

22 / 30

The first reservoir is referred to as the...

Primary

Supply

Secondary

None of these

23 / 30

What is the air purifier also referred to as?

Air filter

Air sensor

Air bleeder

Air dryer

24 / 30

The compressed air provides the power required to do what?

Activate the service brake and release the parking brake

Start the engine

Apply the parking brake

Turn on the compressor

25 / 30

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

To allow the air to flow smoothly

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

All of these

To keep your hands nimble

26 / 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

27 / 30

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

Service brakes

Emergency brakes

Cable brakes

Parking brakes

28 / 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

29 / 30

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

65 psi

105 psi

75 psi

125 psi

30 / 30

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

In the ceiling of the cab

None of these

Installed on the dashboard

Beside the driver's seat

Your score is

Quebec Air Brake Test 01

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