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

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 cause brake fade

It may cease up

It may cause a flat tire

2 / 30

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

75 psi

105 psi

125 psi

65 psi

3 / 30

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

Beside the driver's seat

None of these

In the ceiling of the cab

Installed on the dashboard

4 / 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

65 psi

55 psi

30 psi

5 / 30

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

Its own compressor

Outside air flow

Brake chambers

The service reservoirs of the truck or tractor

6 / 30

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

To the first trailer only

To the trailer

Just the tractor

To the tractor and trailer

7 / 30

Where is the air purifier located?

Beside the two-way valve

In front of the one-way valve

Between the air compressor and the supply reservoir

Under the foot valve

8 / 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

9 / 30

The compressed air provides the power required to do what?

Activate the service brake and release the parking brake

Apply the parking brake

Start the engine

Turn on the compressor

10 / 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

11 / 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

12 / 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

13 / 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

14 / 30

The first reservoir receives compressed air directly from...

The secondary reservoir

The compressor

The service reservoir

The service lines

15 / 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

16 / 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 brake chambers

The air pressure in the service line

17 / 30

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

Emergency brakes

Service brakes

Cable brakes

Parking brakes

18 / 30

Heavy vehicles have at least how many compressed air reservoirs?

Six

Two

Three

Five

19 / 30

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

50 psi

110 psi

80 psi

60 psi

20 / 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

All of these

To keep your hands nimble

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

21 / 30

What is the air purifier also referred to as?

Air filter

Air bleeder

Air dryer

Air sensor

22 / 30

The first reservoir is referred to as the...

Supply

Secondary

None of these

Primary

23 / 30

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

Yellow triangle

Yellow diamond

Red diamond

Yellow circle

24 / 30

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

The brake pedal

The trailer lever

None of these

The trailer valve

25 / 30

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

Every 48 hours

Weekly

Daily

Every 72 hours

26 / 30

How many types of warning devices for low air pressure?

Four

Three

Two

One

27 / 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 driver

The vehicle's load

28 / 30

The compressor is driven by...

The vehicle's engine

A separate generator

Air force

A battery

29 / 30

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

Depending on the vehicle

Yes

Only uphill braking

30 / 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

Your score is

Quebec Air Brake Test 01

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