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

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

A push drain

A release valve

A tank valve

A draincock

2 / 30

What is the purpose of a compressor?

To push air through the air hoses

To force air into the cylinders

To keep the tires properly maintained

To build up and maintain air pressure

3 / 30

Air compression is controlled and limited by what?

A governor

A hand valve

The foot valve

A control valve

4 / 30

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

None of these

Belt driven

Hydraulic oil

Chain-link driven

5 / 30

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

Six

Four

Five

Eight

6 / 30

What is referred to as compressed air?

When air is pushed into a smaller space

When air applies the brakes

When air is pushed through smaller air lines

When air is released into the atmosphere

7 / 30

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

Yes

Only if directed by a service technician

Only if a warning light shows up on the dashboard

8 / 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

9 / 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

10 / 30

What is the purpose of brake chambers?

To hold the compressed air

To hold the brake pads

To push the compressed air into the reservoirs

To transfer the force of compressed air to mechanical linkages

11 / 30

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

D-cam

B-cam

R-cam

S-cam

12 / 30

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

The slack adjuster

The brake cam

The brake camshaft

The return spring

13 / 30

How is heat generated by the brakes dissipated?

It's absorbed through the pads

It's absorbed into the tires

By passing it off into the atmosphere

It's pushed into the air lines

14 / 30

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

Treadle

Out-take valve

Intake valve

Pedal valve

15 / 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

The spring brakes activate

None of these

16 / 30

What is the purpose of a reservoir?

To store the compressed air

To hold the air after use

None of these

To dissipate the air after use

17 / 30

How often must reservoirs be completely drained?

Weekly

After each run

Every 12 hours

Daily

18 / 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

19 / 30

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

30-35 psi

10-15 psi

20-25 psi

40-45 psi

20 / 30

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

Self-lubricated

Air lubricated

Manually lubricated

Not lubricated

21 / 30

All compressors run continuously...

All of these

When the engine is off

When the generator is running

When the engine is running

22 / 30

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

How much air is in the reservoir

The size of the reservoir

The number of reservoir tanks

All of these

23 / 30

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

150-170 psi

80-90 psi

120-145 psi

90-110 psi

24 / 30

What is referred to as a diaphragm?

A small port

None of these

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

25 / 30

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

From a motorized fan

From the engine's intake system

From the outside atmosphere

The reservoir

26 / 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

27 / 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

28 / 30

At what point is the air system fully charged?

When air pressure reaches 120 to 145 psi

When air pressure reaches 90 to 100 psi

When air pressure reaches 150 to 165 psi

When air pressure reaches 100 to 110 psi

29 / 30

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

To house the braking components

To create the friction needed to stop the vehicle

All of these

To prepare the vehicle to stop

30 / 30

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

70 psi

80 psi

110 psi

100 psi

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Saskatchewan Air Brake Test 02

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