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 first reservoir is referred to as the...

Primary

Secondary

Supply

None of these

2 / 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

3 / 30

Where is the air purifier located?

In front of the one-way valve

Under the foot valve

Beside the two-way valve

Between the air compressor and the supply reservoir

4 / 30

How many types of warning devices for low air pressure?

Four

One

Two

Three

5 / 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

6 / 30

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

125 psi

65 psi

105 psi

75 psi

7 / 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

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

The wheels lock

The vehicle stops

8 / 30

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

The driver

All of these

The type of pedal being used

The vehicle's load

9 / 30

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

It forces it into the supply lines

It sends it to the governor

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

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

10 / 30

What is the air purifier also referred to as?

Air filter

Air bleeder

Air sensor

Air dryer

11 / 30

The air pressure gauge measures...

The air pressure in the service line

The air pressure in the brake chambers

The air pressure in the service reservoirs of a bus, truck or tractor

The air pressure in the spring brakes

12 / 30

Your service brakes will not work properly unless...

You unblock the wheels

The compressed air reservoirs are adequately filled

All of these

You turn off the compressor

13 / 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 a flat tire

It may cease up

It may cause brake fade

14 / 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

15 / 30

The compressor is driven by...

A separate generator

Air force

A battery

The vehicle's engine

16 / 30

The first reservoir receives compressed air directly from...

The secondary reservoir

The compressor

The service reservoir

The service lines

17 / 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

18 / 30

Heavy vehicles have at least how many compressed air reservoirs?

Six

Two

Five

Three

19 / 30

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

Red diamond

Yellow circle

Yellow triangle

Yellow diamond

20 / 30

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

Just the tractor

To the tractor and trailer

To the first trailer only

To the trailer

21 / 30

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

Beside the driver's seat

In the ceiling of the cab

Installed on the dashboard

None of these

22 / 30

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

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

All of these

23 / 30

What happens when you pull on the parking brake control?

The wheels lock instantly

The brakes grab

Air is released from the vehicle's brake chambers

Nothing happens

24 / 30

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

50 psi

60 psi

110 psi

80 psi

25 / 30

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

Outside air flow

Brake chambers

The service reservoirs of the truck or tractor

Its own compressor

26 / 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

25 psi

65 psi

30 psi

27 / 30

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

Only uphill braking

Yes

Depending on the vehicle

28 / 30

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

The trailer valve

None of these

The trailer lever

The brake pedal

29 / 30

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

Daily

Every 72 hours

Every 48 hours

Weekly

30 / 30

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

Cable brakes

Emergency brakes

Service brakes

Parking brakes

Your score is

Quebec Air Brake Test 01

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