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

Do all compressors run continuously while the engine is running?

Only when the compressor switch is in the on position

Only when the rpm is above 1200

Yes

2 / 30

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

A tank valve

A release valve

A push drain

A draincock

3 / 30

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

Four

Five

Six

Eight

4 / 30

What is referred to as compressed air?

When air is released into the atmosphere

When air applies the brakes

When air is pushed into a smaller space

When air is pushed through smaller air lines

5 / 30

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

Out-take valve

Pedal valve

Intake valve

Treadle

6 / 30

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

None of these

Belt driven

Chain-link driven

Hydraulic oil

7 / 30

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

Self-lubricated

Not lubricated

Manually lubricated

Air lubricated

8 / 30

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

The wheels stop turning

None of these

The spring brakes activate

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

9 / 30

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

80-90 psi

90-110 psi

150-170 psi

120-145 psi

10 / 30

All compressors run continuously...

When the engine is off

All of these

When the engine is running

When the generator is running

11 / 30

Air compression is controlled and limited by what?

A control valve

A hand valve

The foot valve

A governor

12 / 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

13 / 30

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

The slack adjuster

The exhaust port

The inlet port

The spring valve

14 / 30

What is the purpose of a reservoir?

To store the compressed air

None of these

To dissipate the air after use

To hold the air after use

15 / 30

What is referred to as a diaphragm?

None of these

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

16 / 30

What is the purpose of a governor?

It turns off the compressor

It controls the volume of air from the compressor

It loads or unloads the compressor

It lubricates the compressor

17 / 30

At what point is the air system fully charged?

When air pressure reaches 90 to 100 psi

When air pressure reaches 100 to 110 psi

When air pressure reaches 150 to 165 psi

When air pressure reaches 120 to 145 psi

18 / 30

How often must reservoirs be completely drained?

Daily

After each run

Weekly

Every 12 hours

19 / 30

How is heat generated by the brakes dissipated?

It's absorbed through the pads

It's pushed into the air lines

It's absorbed into the tires

By passing it off into the atmosphere

20 / 30

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

R-cam

S-cam

D-cam

B-cam

21 / 30

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

40-45 psi

20-25 psi

30-35 psi

10-15 psi

22 / 30

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

Yes

Only if a warning light shows up on the dashboard

Only if directed by a service technician

23 / 30

What is the purpose of a compressor?

To build up and maintain air pressure

To push air through the air hoses

To force air into the cylinders

To keep the tires properly maintained

24 / 30

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

The return spring

The brake camshaft

The brake cam

The slack adjuster

25 / 30

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

From the outside atmosphere

The reservoir

From a motorized fan

From the engine's intake system

26 / 30

What is the purpose of a foot valve?

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

To release the trailer brakes

To stop the vehicle in an emergency

To release the air into the atmosphere

27 / 30

What is the purpose of brake chambers?

To hold the compressed air

To push the compressed air into the reservoirs

To hold the brake pads

To transfer the force of compressed air to mechanical linkages

28 / 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?

Yes

Depending on the size of the reservoirs

Depending on the number of reservoirs

29 / 30

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

All of these

To prepare the vehicle to stop

To house the braking components

To create the friction needed to stop the vehicle

30 / 30

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

100 psi

110 psi

80 psi

70 psi

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Saskatchewan Air Brake Test 02

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