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?

Only while towing trailers

Yes

With certain vehicles only

2 / 30

How many types of warning devices for low air pressure?

Two

One

Three

Four

3 / 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

55 psi

25 psi

30 psi

4 / 30

What happens when you pull on the parking brake control?

The brakes grab

Nothing happens

Air is released from the vehicle's brake chambers

The wheels lock instantly

5 / 30

Heavy vehicles have at least how many compressed air reservoirs?

Six

Two

Three

Five

6 / 30

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

Just the tractor

To the first trailer only

To the tractor and trailer

To the trailer

7 / 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

8 / 30

The compressor is driven by...

The vehicle's engine

A battery

A separate generator

Air force

9 / 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 have proven their reliability

They are less costly than hydraulic brakes

They are usually more powerful than hydraulic systems

10 / 30

The air pressure gauge measures...

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

The air pressure in the service line

11 / 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 wheels lock

The air pressure gauge drops to zero

The vehicle stops

12 / 30

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

50 psi

110 psi

60 psi

80 psi

13 / 30

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

Depending on the vehicle

Yes

Only uphill braking

14 / 30

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

Daily

Every 48 hours

Weekly

Every 72 hours

15 / 30

The compressed air provides the power required to do what?

Turn on the compressor

Apply the parking brake

Start the engine

Activate the service brake and release the parking brake

16 / 30

The first reservoir receives compressed air directly from...

The compressor

The service lines

The service reservoir

The secondary reservoir

17 / 30

What is the air purifier also referred to as?

Air filter

Air dryer

Air bleeder

Air sensor

18 / 30

Your service brakes will not work properly unless...

The compressed air reservoirs are adequately filled

All of these

You unblock the wheels

You turn off the compressor

19 / 30

The first reservoir is referred to as the...

Secondary

Supply

None of these

Primary

20 / 30

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

Emergency brakes

Parking brakes

Cable brakes

Service brakes

21 / 30

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

Red diamond

Yellow circle

Yellow triangle

Yellow diamond

22 / 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

23 / 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 forces it into the supply lines

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

24 / 30

Where is the air purifier located?

Under the foot valve

Beside the two-way valve

In front of the one-way valve

Between the air compressor and the supply reservoir

25 / 30

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

All of these

The driver

The type of pedal being used

The vehicle's load

26 / 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

27 / 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 a flat tire

It may cause brake fade

28 / 30

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

The trailer lever

The brake pedal

None of these

The trailer valve

29 / 30

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

Only if towing a trailer

Yes

Not if there are multiple reservoirs

30 / 30

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

Brake chambers

Its own compressor

Outside air flow

The service reservoirs of the truck or tractor

Your score is

Quebec Air Brake Test 01

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