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

Your service brakes will not work properly unless...

You turn off the compressor

You unblock the wheels

All of these

The compressed air reservoirs are adequately filled

2 / 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

3 / 30

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

60 psi

50 psi

80 psi

110 psi

4 / 30

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

To the trailer

Just the tractor

To the tractor and trailer

To the first trailer only

5 / 30

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

It may cause brake fade

It may cease up

It may cause a flat tire

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

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 compressed air provides the power required to do what?

Turn on the compressor

Activate the service brake and release the parking brake

Apply the parking brake

Start the engine

8 / 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

9 / 30

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

75 psi

125 psi

105 psi

65 psi

10 / 30

The compressor is driven by...

The vehicle's engine

A battery

A separate generator

Air force

11 / 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

30 psi

65 psi

55 psi

12 / 30

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

Service brakes

Cable brakes

Parking brakes

Emergency brakes

13 / 30

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

Yellow triangle

Yellow diamond

Red diamond

Yellow circle

14 / 30

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

Every 48 hours

Every 72 hours

Daily

Weekly

15 / 30

What happens when you pull on the parking brake control?

Nothing happens

Air is released from the vehicle's brake chambers

The brakes grab

The wheels lock instantly

16 / 30

Heavy vehicles have at least how many compressed air reservoirs?

Two

Five

Three

Six

17 / 30

How many types of warning devices for low air pressure?

Two

One

Four

Three

18 / 30

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

They have proven their reliability

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

19 / 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

20 / 30

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

The vehicle's load

All of these

The driver

The type of pedal being used

21 / 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 vehicle stops

The air pressure gauge drops to zero

The wheels lock

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 supply reservoir

It forces it into the supply lines

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

It sends it to the governor

23 / 30

What is the air purifier also referred to as?

Air filter

Air bleeder

Air dryer

Air sensor

24 / 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

25 / 30

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

To keep your hands nimble

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

All of these

To allow the air to flow smoothly

26 / 30

The first reservoir receives compressed air directly from...

The service reservoir

The secondary reservoir

The service lines

The compressor

27 / 30

The first reservoir is referred to as the...

Supply

None of these

Secondary

Primary

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 trailer valve

The brake pedal

None of these

29 / 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 service line

The air pressure in the brake chambers

30 / 30

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

Installed on the dashboard

Beside the driver's seat

None of these

In the ceiling of the cab

Your score is

Quebec Air Brake Test 01

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