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

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

Belt driven

Chain-link driven

None of these

Hydraulic oil

2 / 30

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

100 psi

110 psi

80 psi

70 psi

3 / 30

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

The brake cam

The return spring

The slack adjuster

The brake camshaft

4 / 30

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

All of these

The size of the reservoir

The number of reservoir tanks

How much air is in the reservoir

5 / 30

What is the purpose of a reservoir?

To hold the air after use

None of these

To store the compressed air

To dissipate the air after use

6 / 30

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

20-25 psi

40-45 psi

30-35 psi

10-15 psi

7 / 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

8 / 30

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

Five

Eight

Four

Six

9 / 30

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

Air lubricated

Not lubricated

Manually lubricated

Self-lubricated

10 / 30

What is referred to as a diaphragm?

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

A rubber seal that stops air from penetrating it

A small port

None of these

11 / 30

What is referred to as compressed air?

When air is pushed through smaller air lines

When air applies the brakes

When air is released into the atmosphere

When air is pushed into a smaller space

12 / 30

At what point is the air system fully charged?

When air pressure reaches 150 to 165 psi

When air pressure reaches 90 to 100 psi

When air pressure reaches 120 to 145 psi

When air pressure reaches 100 to 110 psi

13 / 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

Yes

Only if directed by a service technician

14 / 30

How is heat generated by the brakes dissipated?

It's absorbed into the tires

It's pushed into the air lines

By passing it off into the atmosphere

It's absorbed through the pads

15 / 30

Do all compressors run continuously while the engine is running?

Only when the rpm is above 1200

Yes

Only when the compressor switch is in the on position

16 / 30

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

R-cam

B-cam

S-cam

D-cam

17 / 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 exhaust port

The inlet port

18 / 30

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

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

The spring brakes activate

The wheels stop turning

None of these

19 / 30

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

Out-take valve

Treadle

Pedal valve

Intake valve

20 / 30

How often must reservoirs be completely drained?

Weekly

Daily

Every 12 hours

After each run

21 / 30

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

A draincock

A tank valve

A push drain

A release valve

22 / 30

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

90-110 psi

120-145 psi

80-90 psi

150-170 psi

23 / 30

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

All of these

To create the friction needed to stop the vehicle

To prepare the vehicle to stop

To house the braking components

24 / 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

25 / 30

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

From the outside atmosphere

The reservoir

From the engine's intake system

From a motorized fan

26 / 30

Air compression is controlled and limited by what?

A governor

The foot valve

A hand valve

A control valve

27 / 30

What is the purpose of a governor?

It turns off the compressor

It loads or unloads the compressor

It lubricates the compressor

It controls the volume of air from the compressor

28 / 30

What is the purpose of a foot valve?

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

To release the air into the atmosphere

To stop the vehicle in an emergency

To release the trailer brakes

29 / 30

All compressors run continuously...

When the generator is running

All of these

When the engine is off

When the engine is running

30 / 30

What is the purpose of brake chambers?

To hold the brake pads

To hold the compressed air

To push the compressed air into the reservoirs

To transfer the force of compressed air to mechanical linkages

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Saskatchewan Air Brake Test 02

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