Alberta Air Brake Test 08

Practice tests helped build confidence and reduce test anxiety. With the knowledge gained from the practice test and dedicated study and preparation, one can approach the official exam with a higher level of assurance and increase their chances of achieving a positive outcome.

1 / 30

What causes the clevis pins to work their way out?

None of the above

Poor adjustments

When the cotter pin sheers

When too much air pressure goes through the lines

2 / 30

The CVSA standards require at least how much lining thickness?

3/8 inch (9.5 mm)

1/4 inch (7 mm)

1/2 inch (13 mm)

3/4 inch (19 mm)

3 / 30

With regard to brake lining, what causes oil saturation?

Oil from the asphalt

Leaking wheel seals

Leaking couplers

None of the above

4 / 30

Why should you not mix air line fittings?

Different systems of fittings are not compatible with each other

They fall off

The tractor won't respond well to the changes

The brakes seize up

5 / 30

To check the air compressor, run the engine at 1200 rpm and stop the timing when the air pressure is at what rpm?

140 psi

120 psi

It doesn't matter as long as it's been running for six minutes

90 psi

6 / 30

What are cracked brake drums caused by?

Poorly maintained brakes

Old brake drums

Poor installation

A series of overheating and cooling

7 / 30

What causes chaffed air lines?

Incorrectly secured air lines which rub on nearby parts

Defective couplers

A defect in the air lines

Too much air being pushed through the lines

8 / 30

When does a loose air tank cause a failure?

It doesn't

When it separates from the circuit it supplies

None of the above

When the psi drop below 20 psi

9 / 30

What can foundation brake component failures can result in?

Anything from a minor application reduction to a complete failure

A suspended driver's license

Demerit points

A lot of noise

10 / 30

What is the major issue of a kinked air line?

It stretches the air lines

It causes reductions in brake performance by restricting or blocking the flow of air pressure

It can cause the air line to be separated from the brakes

None of the above

11 / 30

What does the phrase 'cammed over' refer to?

Excessively worn brake linings

Missing brake linings

None of the above

Thick brake linings

12 / 30

Air system failures are sometimes dealt with by blocking off the air lines that supply the failed component. Is this acceptable?

Yes, until you get back to the yard

If driving at low speeds

Never

Only if directed by your employer

13 / 30

What is the maximum air pressure leakage allowable during the air systems leaks procedure?

3 psi loss per service circuit for power units

2 psi loss per service circuit for power units

4 psi loss per service circuit for power units

5 psi loss per service circuit for power units

14 / 30

What happens when there is brake lining failure?

Liquid oozes out of the brakes

Nothing

It decreases the friction surface area

It causes the brake pads to cease together

15 / 30

Within the commercial vehicle industry, what does CVSA refer to?

Commercial Vehicle Safety Alliance

Commercial Vehicle Secondary Air

None of the above

Complimentary Vehicular Safety Act

16 / 30

What would you have to do to confirm that the brake chamber is securely installed?

Inspect the mounting fasteners and brackets

Look on the ground for any loose pieces

Test the brakes

None of the above

17 / 30

During a vehicle inspection, how do you confirm that the air tanks are securely mounted?

Listen for air leaks

Take a look at the mounts

None of the above

Push each end

18 / 30

If there are any corrosion or damage seen in brake chambers or clamp rings, who is qualified to repair it?

Certified heavy equipment technicians

Anyone on the maintenance team

It doesn't matter

The driver

19 / 30

What does the system leaks procedure check for?

Leaks with the air lines

The entire air brake system for pressure leaks through one operation

Leaks with the governor

Leaks with the air compressor

20 / 30

What causes the cracks in the brake drums to widen, and eventually the drum comes apart?

Braking hard too often

Centrifugal force on the separated sections

When the brakes are pumped too often

Lack of lubricant

21 / 30

Can loose brake chambers still apply some application force to the foundation brakes?

Yes, depending on how loose they are

100%

No one knows

Not at all

22 / 30

If there are system failures that affect braking ability, what needs to happen?

Call your employer and ask for direction

The vehicle must be placed out-of-service until appropriate repairs are made

Brake much sooner so a safe stop can be made

Drive at a slower speed

23 / 30

What causes hose bulges within the air lines?

Internal structure failure or excessive chaffing

Too much air being pushed through the lines

Debris in the air lines

Defective couplers

24 / 30

To check the governor, the cut out should be at what rpm?

150-170 psi

120-135 psi

70-85 psi

80-90 psi

25 / 30

What is the only air line not filled during this air systems leaks procedure?

The control line from the hand valve to the double check valve

The lines leading up to the compressor

None of the above

The lines to the park brake

26 / 30

What happens after a plastic air line is kinked?

It is permanently damaged and must be replaced

None of the above

It takes time to unkink it

It shortens the hose

27 / 30

Which of the following is not included in the air supply circuit inspection?

The low air pressure warning device

The governor

The air dryer

The air compressor

28 / 30

To check the air compressor, run the engine at 1200 rpm, the low-pressure warning should go out at what rpm?

60 rpm

80 rpm

100 rpm

120 rpm

29 / 30

To check the air compressor, run the engine at 1200 rpm, then start timing when the air pressure is at what rpm?

90 rpm

It doesn't matter

70 rpm

50 rpm

30 / 30

What happens when the clevis completely separates?

The brakes begin to squeal

The brakes cease to work when the clevis completely separates

The brakes lose power and takes a longer distance to stop the vehicle

The brakes can lock

Your score is

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Alberta Air Brake Test 08

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