Saskatchewan Air Brake Test 02

In Saskatchewan, air brake endorsement is vital for heavy commercial vehicles, so passing the official exam with high marks entitles you to operate heavy commercial vehicles with air brakes confidently. Invest some time to practice with the free Saskatchewan Air Brake practice test, study hard, and take the exam when you’re adequately prepared. Don’t forget that practice makes perfect, and with adequate preparation, you will pass the exam with flying colors.

1 / 30

The compressor's intake system draws air from either its own air filter or...

The reservoir

From the engine's intake system

From the outside atmosphere

From a motorized fan

2 / 30

What is the purpose of brake chambers?

To transfer the force of compressed air to mechanical linkages

To hold the compressed air

To hold the brake pads

To push the compressed air into the reservoirs

3 / 30

What is the purpose of a foot valve?

To stop the vehicle in an emergency

To release the trailer brakes

To release the air into the atmosphere

To draw compressed air from reservoirs when it is needed for braking

4 / 30

The governor will normally cut in how much below the cut-out pressure?

20-25 psi

10-15 psi

30-35 psi

40-45 psi

5 / 30

When you press down on the foot valve, air pressure enters the pressure side of the brake chamber through what?

The spring valve

The slack adjuster

The inlet port

The exhaust port

6 / 30

What is referred to as a diaphragm?

A rubber seal that stops air from penetrating it

A heavy rubber partition in the brake chamber that activates the brakes when air is forced against it

A small port

None of these

7 / 30

What is the purpose of a reservoir?

None of these

To hold the air after use

To store the compressed air

To dissipate the air after use

8 / 30

Air compression is controlled and limited by what?

The foot valve

A control valve

A governor

A hand valve

9 / 30

Although most compressors use the truck's lubrication, others are...

Air lubricated

Manually lubricated

Not lubricated

Self-lubricated

10 / 30

All compressors run continuously...

When the engine is off

When the engine is running

When the generator is running

All of these

11 / 30

How many main components are there in an air brake system?

Eight

Six

Four

Five

12 / 30

What is the purpose of a compressor?

To force air into the cylinders

To push air through the air hoses

To keep the tires properly maintained

To build up and maintain air pressure

13 / 30

Do all compressors run continuously while the engine is running?

Only when the compressor switch is in the on position

Yes

Only when the rpm is above 1200

14 / 30

Will the reservoirs be able to store a sufficient volume of air to allow several brake applications if the engine stops or the compressor fails?

Depending on the size of the reservoirs

Yes

Depending on the number of reservoirs

15 / 30

At what point is the air system fully charged?

When air pressure reaches 90 to 100 psi

When air pressure reaches 120 to 145 psi

When air pressure reaches 150 to 165 psi

When air pressure reaches 100 to 110 psi

16 / 30

What is referred to as compressed air?

When air is pushed through smaller air lines

When air is pushed into a smaller space

When air is released into the atmosphere

When air applies the brakes

17 / 30

Air compressors are either gear driven directly from the engine or...

None of these

Hydraulic oil

Belt driven

Chain-link driven

18 / 30

What is the purpose of brake shoes and drums or brake rotors and pads?

To prepare the vehicle to stop

All of these

To create the friction needed to stop the vehicle

To house the braking components

19 / 30

The governor must take the compressor out of its pumping stage when system air pressure reaches...

120-145 psi

90-110 psi

150-170 psi

80-90 psi

20 / 30

Each reservoir is equipped with a drain valve called...

A draincock

A push drain

A tank valve

A release valve

21 / 30

How is heat generated by the brakes dissipated?

It's pushed into the air lines

By passing it off into the atmosphere

It's absorbed into the tires

It's absorbed through the pads

22 / 30

The governor must put the compressor back into the pumping stage at a minimum of...

80 psi

110 psi

70 psi

100 psi

23 / 30

What's another name for the floor-mounted brake pedal?

Out-take valve

Treadle

Intake valve

Pedal valve

24 / 30

The maximum air pressure available for brake applications depends on what?

The number of reservoir tanks

The size of the reservoir

All of these

How much air is in the reservoir

25 / 30

When the brakes are applied, air pushes against each service-brake diaphragm causing the push rod to move against...

The brake camshaft

The slack adjuster

The return spring

The brake cam

26 / 30

What is the purpose of a governor?

It loads or unloads the compressor

It lubricates the compressor

It controls the volume of air from the compressor

It turns off the compressor

27 / 30

Should compressors that have their own filtration system be serviced on a regular basis?

Only if a warning light shows up on the dashboard

Only if directed by a service technician

Yes

28 / 30

What is the common brake assembly used on truck and trailer axles?

S-cam

B-cam

R-cam

D-cam

29 / 30

How often must reservoirs be completely drained?

After each run

Weekly

Daily

Every 12 hours

30 / 30

What happens when air pressure is released from the service-brake chamber?

None of these

The wheels stop turning

The return spring returns the diaphragm and push rod to their released positions

The spring brakes activate

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Saskatchewan Air Brake Test 02

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