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

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

2 / 30

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

Intake valve

Treadle

Out-take valve

Pedal valve

3 / 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 number of reservoirs

Depending on the size of the reservoirs

Yes

4 / 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

5 / 30

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

70 psi

100 psi

110 psi

80 psi

6 / 30

Do all compressors run continuously while the engine is running?

Yes

Only when the rpm is above 1200

Only when the compressor switch is in the on position

7 / 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

8 / 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

9 / 30

How often must reservoirs be completely drained?

After each run

Daily

Weekly

Every 12 hours

10 / 30

What is the purpose of brake chambers?

To hold the brake pads

To hold the compressed air

To transfer the force of compressed air to mechanical linkages

To push the compressed air into the reservoirs

11 / 30

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

Hydraulic oil

None of these

Belt driven

Chain-link driven

12 / 30

What is the purpose of a foot valve?

To release the trailer brakes

To stop the vehicle in an emergency

To release the air into the atmosphere

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

13 / 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

14 / 30

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

Only if directed by a service technician

Yes

Only if a warning light shows up on the dashboard

15 / 30

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

30-35 psi

10-15 psi

40-45 psi

20-25 psi

16 / 30

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

R-cam

S-cam

B-cam

D-cam

17 / 30

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

The number of reservoir tanks

The size of the reservoir

How much air is in the reservoir

All of these

18 / 30

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

From a motorized fan

From the outside atmosphere

The reservoir

From the engine's intake system

19 / 30

All compressors run continuously...

When the engine is off

When the generator is running

When the engine is running

All of these

20 / 30

What is referred to as a diaphragm?

None of these

A small port

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

21 / 30

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

A tank valve

A push drain

A release valve

A draincock

22 / 30

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

The inlet port

The slack adjuster

The exhaust port

The spring valve

23 / 30

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

Six

Four

Eight

Five

24 / 30

What is the purpose of a governor?

It turns off the compressor

It lubricates the compressor

It controls the volume of air from the compressor

It loads or unloads the compressor

25 / 30

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

Self-lubricated

Manually lubricated

Not lubricated

Air lubricated

26 / 30

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

The wheels stop turning

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

None of these

The spring brakes activate

27 / 30

Air compression is controlled and limited by what?

A governor

The foot valve

A hand valve

A control valve

28 / 30

What is referred to as compressed air?

When air is released into the atmosphere

When air applies the brakes

When air is pushed through smaller air lines

When air is pushed into a smaller space

29 / 30

What is the purpose of a reservoir?

None of these

To store the compressed air

To dissipate the air after use

To hold the air after use

30 / 30

How is heat generated by the brakes dissipated?

It's absorbed into the tires

By passing it off into the atmosphere

It's pushed into the air lines

It's absorbed through the pads

Your score is

Saskatchewan Air Brake Test 02

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