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

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

2 / 30

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

105 psi

65 psi

125 psi

75 psi

3 / 30

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

They have proven their reliability

They are less costly than hydraulic 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

4 / 30

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

All of these

The type of pedal being used

The driver

The vehicle's load

5 / 30

The compressor is driven by...

The vehicle's engine

A battery

Air force

A separate generator

6 / 30

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

It may cease up

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

It may cause brake fade

It may cause a flat tire

7 / 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

8 / 30

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

Yellow circle

Yellow triangle

Yellow diamond

Red diamond

9 / 30

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

Only uphill braking

Yes

Depending on the vehicle

10 / 30

The first reservoir receives compressed air directly from...

The compressor

The secondary reservoir

The service reservoir

The service lines

11 / 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 brake chambers

The air pressure in the spring brakes

12 / 30

Your service brakes will not work properly unless...

All of these

The compressed air reservoirs are adequately filled

You turn off the compressor

You unblock the wheels

13 / 30

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

Not if there are multiple reservoirs

Only if towing a trailer

Yes

14 / 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 wheels lock

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

The vehicle stops

15 / 30

What is the air purifier also referred to as?

Air sensor

Air filter

Air dryer

Air bleeder

16 / 30

The first reservoir is referred to as the...

Supply

Primary

None of these

Secondary

17 / 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

18 / 30

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

Just the tractor

To the trailer

To the tractor and trailer

To the first trailer only

19 / 30

What happens when you pull on the parking brake control?

Nothing happens

The brakes grab

Air is released from the vehicle's brake chambers

The wheels lock instantly

20 / 30

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

Beside the driver's seat

None of these

Installed on the dashboard

In the ceiling of the cab

21 / 30

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

Service brakes

Cable brakes

Parking brakes

Emergency brakes

22 / 30

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

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

It forces it into the supply lines

23 / 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

24 / 30

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

Outside air flow

Its own compressor

The service reservoirs of the truck or tractor

Brake chambers

25 / 30

Where is the air purifier located?

In front of the one-way valve

Beside the two-way valve

Under the foot valve

Between the air compressor and the supply reservoir

26 / 30

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

Every 48 hours

Daily

Every 72 hours

Weekly

27 / 30

How many types of warning devices for low air pressure?

One

Three

Four

Two

28 / 30

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

50 psi

60 psi

80 psi

110 psi

29 / 30

Heavy vehicles have at least how many compressed air reservoirs?

Three

Six

Five

Two

30 / 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

Your score is

Quebec Air Brake Test 01

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