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 maximum air pressure available for brake applications depends on what?

How much air is in the reservoir

All of these

The number of reservoir tanks

The size of the reservoir

2 / 30

How often must reservoirs be completely drained?

Weekly

Daily

After each run

Every 12 hours

3 / 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

4 / 30

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

A release valve

A push drain

A tank valve

A draincock

5 / 30

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

Hydraulic oil

Chain-link driven

None of these

Belt driven

6 / 30

Do all compressors run continuously while the engine is running?

Only when the rpm is above 1200

Only when the compressor switch is in the on position

Yes

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 compressor?

To build up and maintain air pressure

To keep the tires properly maintained

To force air into the cylinders

To push air through the air hoses

9 / 30

What is the purpose of a foot valve?

To stop the vehicle in an emergency

To release the air into the atmosphere

To release the trailer brakes

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

10 / 30

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

30-35 psi

20-25 psi

10-15 psi

40-45 psi

11 / 30

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

The exhaust port

The inlet port

The slack adjuster

The spring valve

12 / 30

What is the purpose of a governor?

It turns off the compressor

It lubricates the compressor

It loads or unloads the compressor

It controls the volume of air from the compressor

13 / 30

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

Eight

Four

Five

Six

14 / 30

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

100 psi

80 psi

70 psi

110 psi

15 / 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

16 / 30

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

120-145 psi

80-90 psi

90-110 psi

150-170 psi

17 / 30

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

S-cam

B-cam

D-cam

R-cam

18 / 30

What is referred to as a diaphragm?

A rubber seal that stops air from penetrating it

A small port

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

None of these

19 / 30

At what point is the air system fully charged?

When air pressure reaches 100 to 110 psi

When air pressure reaches 90 to 100 psi

When air pressure reaches 120 to 145 psi

When air pressure reaches 150 to 165 psi

20 / 30

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

Not lubricated

Self-lubricated

Air lubricated

Manually lubricated

21 / 30

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

From the engine's intake system

From a motorized fan

The reservoir

From the outside atmosphere

22 / 30

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

Pedal valve

Out-take valve

Intake valve

Treadle

23 / 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 cam

The slack adjuster

The brake camshaft

24 / 30

Air compression is controlled and limited by what?

A hand valve

The foot valve

A control valve

A governor

25 / 30

What is the purpose of a reservoir?

To dissipate the air after use

To store the compressed air

To hold the air after use

None of these

26 / 30

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

To prepare the vehicle to stop

To house the braking components

All of these

To create the friction needed to stop the vehicle

27 / 30

All compressors run continuously...

When the generator is running

All of these

When the engine is running

When the engine is off

28 / 30

What is referred to as compressed air?

When air is released into the atmosphere

When air is pushed through smaller air lines

When air is pushed into a smaller space

When air applies the brakes

29 / 30

What is the purpose of brake chambers?

To hold the brake pads

To transfer the force of compressed air to mechanical linkages

To hold the compressed air

To push the compressed air into the reservoirs

30 / 30

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

The spring brakes activate

The wheels stop turning

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

None of these

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Saskatchewan Air Brake Test 02

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