Alberta Air Brake Test 03

Taking the Alberta Air Brake practice test is essential to obtaining the required certification to operate vehicles equipped with air brakes. Not only does the practice test help you gauge your knowledge, but it also helps you prepare for the official exam. It is a means to identify gaps in your understanding and provides an opportunity to rectify them. Carrying out ample practice can help you pass the exam with flying colors.

1 / 30

Power units have two service circuits: one for the steering axel. What is the other one?

The trailer axel

The drive axel

The power axel

The last axel

2 / 30

How much are the service capable of handling?

250 psi

350 psi

At least five times the compressor cut-out pressure or 500 psi, whichever is greater

300 psi

3 / 30

The park brake control valve pops out when the pressure drops to what psi?

20-45 psi

60 psi

30-55 psi

5 psi

4 / 30

Since not all trailers should have alcohol-based antifreeze, how would you know if they should?

The year the trailer was built

You would be able to smell it

There will be a decal fitted to the front of the trailer warning against alcohol use

You would have to trust your maintenance team

5 / 30

When do the tanks drain properly?

Not until the air pressure is depleted and the contamination settles down and starts to drip from the tank

None of the above

Once the rpm is at 900 rpm

After sitting idle for two hours

6 / 30

What is the purpose of the Commercial Vehicle Safety Alliance (CVSA)?

To record all deficiencies with commercial vehicles across North America

None of the above

It's club for all commercial vehicle drivers

To standardize commercial vehicle inspections so that defects are applied equally throughout North America

7 / 30

The low air alarm is set to activate if air pressure drops below what psi?

80 psi

60 psi

50 psi

70 psi

8 / 30

Which is not part of the service brake circuit?

Air tank protected by a check valve

The air dryer gauge

Brake chambers

Control valve

9 / 30

What does AD-IS refer to?

None of the above

Automatic Documentation Into Solids

Air Dryer Integrated Solution

Automatic Drying Isolation System

10 / 30

What does air brake antifreeze essentially do?

To prevent rubber components in the valves from drying out

Nothing

To prevent the air from freezing

To keep the air hoses from freezing

11 / 30

What is the typical size of brake chambers for load bearing axels?

Type 30

Type 20

Type 15

Type 40

12 / 30

What is the purpose of a check valve?

It protects the service tanks from air supply failure

None of the above

It checks that the hoses are running smoothly

It checks the service tanks for air

13 / 30

What do the air pressure gauges measure?

Air pressure from the secondary tank

The air in the park brakes

Air pressure from the primary tank

Air pressure from both primary and secondary tanks

14 / 30

Which statement is false? During a brake application...

Air pressure flows through the chambers

Control valve is applied

Air volume in the circuit is lost

Air pressure gauge drops

15 / 30

To reduce lag time, what is installed near the brake chambers?

A relay valve

Larger glad hand couplers

Larger air lines

Nothing

16 / 30

What does Type 20 typically refer to?

The typical size of brake chambers for trailer axels

Nothing

The typical size of brake chambers for power axels

The typical size of brake chambers for steering axels

17 / 30

When the park control valve is pulled, what happens?

Air is exhausted and the park spring expands and applies the foundation brake

None of the above

The park brakes are released

It prepares the brakes to application

18 / 30

When the brakes are released, where is the air typically released through?

Through the couplers

Through the rotors

Through the quick release valve

Through the air dryers

19 / 30

A long stroke chamber has a total stroke of...

2 inches

3 1/2 inches

3 inches

2 1/2 inches

20 / 30

Air pressure for the park circuit is delivered from which tank?

Whichever tank has the least amount of pressure

The secondary tank only

The higher pressure of either the primary or secondary tank

The primary tank only

21 / 30

It's not recommended to take park springs apart. Why is this?

It's too tough a job

There are no repairable parts inside

Only the top mechanical team could do this

No reason

22 / 30

What do brake chambers do?

Houses the brakes until they are needed

None of the above

Hold the air to be used for the brakes

Convert air pressure into mechanical force

23 / 30

How many air lines go to the trailer?

Three

One

Four

Two

24 / 30

Spring park brakes begin to apply if system air pressure drops below what pressure?

40 psi

30 psi

60 psi

50 psi

25 / 30

What allows the brakes to release more rapidly?

When the driver releases their foot from the brake pedal

Nothing

When air pressure in the brake chambers exhausts through the quick release valve

When the chambers are not full of air

26 / 30

How much full-service brake applications should the air tank volume capacity be capable of providing?

a minimum of 10 full-service brake applications for power units and 10 full-service applications for trailers

a minimum of 6 full-service brake applications for power units and 4 full-service applications for trailers

A minimum of 12 full-service brake applications for power units and 8 full-service applications for trailers

A minimum of 8 full-service brake applications for power units and 12 full-service applications for trailers

27 / 30

Does every axle group will have an independent service brake circuit?

Yes

Just the last axle group

Some do

28 / 30

Are trainer service and park circuits the same as truck and bus circuits?

Only the same as bus circuits

Yes

Only the same as truck circuits

29 / 30

How can spring brakes be manually released?

You can't

With a foot control

With a hand control

With a release bolt

30 / 30

The capacity of a service tank is set according to what?

The year the tractor was manufactured

According to OEM specifications

The size and number of brakes installed in the axel group

None of the above

Your score is

Alberta Air Brake Test 03

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