SASKATCHEWAN AIR BRAKE PRACTICE TEST 01

In Saskatchewan, Canada, air brake systems are a crucial safety feature for commercial vehicles.

Saskatchewan Air Brake Test 01

1 / 25

When a governor has stopped a compressor pumping air, it should resume before system air pressure drops below...?

100 psi

80 psi

120 psi

60 psi

2 / 25

All air reservoirs in an air brake system must be drained at least...?

Daily

Hourly

Weekly

Monthly

3 / 25

Most brake linings operate best around _____ and should not exceed 250°C.

120°C

90°C

200°C

150°C

4 / 25

At what system air pressure (maximum) must a governor stop a compressor pumping air?

165 psi

185 psi

145 psi

125 psi

5 / 25

To operate a vehicle equipped with an air brake system in Saskatchewan you must have what endorsement specified on your licence?

6 / 25

The supply reservoir is also known as...?

The cool reservoir

The wet reservoir

The hot reservoir

The dry reservoir

7 / 25

When two surfaces are in contact with each other, what does friction do?

Pushes them apart

Enables movement

Resists movement

Pulls them together

8 / 25

The purpose of brakes on a vehicle is to...?

Convert liquid to gas

Convert motion to liquid

Convert motion to heat

Convert heat to motion

9 / 25

The function of the compressor is to build up and maintain...?

Tire pressure

Braking power

Brake heat

Air pressure

10 / 25

Which of these is not a factor in determining stopping distance?

Braking distance

Engine speed

Brake lag

Reaction time

11 / 25

How many principal components does a basic air brake system have?

Three

Six

Five

Four

12 / 25

Between the driver recognising a hazard to applying the brake pedal, approximately how much time will elapse?

0.75 of a second

0.5 of a second

One second

0.25 of a second

13 / 25

Brakes will start to be damaged when they reach lining temperature at ...?

375°C

475°C

300°C

525°C

14 / 25

The safety valve on a supply reservoir is usually preset at...?

130 psi

160 psi

150 psi

140 psi

15 / 25

If a vehicle is carrying a load of 10,000 kg at 10 km/h and it stops in 20 metres under normal brake application, how much extra braking power would it need to stop in the same distance when carrying 20,000 kg and travelling at 20 km/h?

8 x

4 x

12 x

2 x

16 / 25

A 200 horsepower (hp) engine accelerates a vehicle to 100 km/h in 60 seconds. That vehicle now needs to make an emergency stop within six seconds. The energy required to do this will be...?

800 hp

2000 hp

400 hp

1000 hp

17 / 25

If you double your vehicle's speed, your stopping distance will...?

Remain the same

Double

Quadruple

Treble

18 / 25

In the service brake chambers, what does the diaphragm do?

Pulls the push rod assembly back

Releases air from the chamber

All of these things

Pushes the push rod assembly forward

19 / 25

When air is supplied to the service brake chamber, what does the pushrod do?

Moves the slack adjuster

Moves the brake shoes

Rotates the brake cam

Pushes the diaphragm

20 / 25

In a properly maintained air brake system, from applying the pedal to the air working on the brakes, approximately how much time will elapse?

0.6 of a second

0.2 of a second

0.1 of a second

0.4 of a second

21 / 25

What function does the one-way check valve perform?

Stops air bleeding from the supply reservoir to the service reservoir

Stops air bleeding from the air lines to the brakes

Stops air bleeding from the service reservoir to the supply reservoir

Stops air bleeding from the supply reservoir to the compressor

22 / 25

If 3600 lbs of force is applied to a 6 inch slack adjuster operating a cam, how much force is developed in inch pounds torque?

21,600

16,600

23,600

18,600

23 / 25

If compressed air at 120 psi acts on a diaphragm with an area of 30 in.², how much force is produced?

3600 lbs

1800 lbs

4400 lbs

2800 lbs

24 / 25

When the foot operated valve is released, what happens to the air in the service brakes?

It returns to the reservoirs

It remains in the service brakes

It returns to the compressor

It is released through the exhaust port

25 / 25

If a safety valve blows off excess pressure, this indicates a problem with what?

The compressor

The brakes

The governor

The supply reservoir

Your score is

As per the province’s regulations, all drivers of commercial vehicles with air brakes must possess a “Q” endorsement on their driver’s license, which attests to their knowledge of air brake systems and their ability to operate them properly. The Saskatchewan air brake test is a comprehensive exam that assesses a driver’s understanding of air brake components, such as air compressors, brake drums, slack adjusters, brake chambers, and more. By obtaining this endorsement, drivers can safely operate heavy-duty vehicles and easily diagnose problems with the air brake system. Moreover, ensuring that all commercial vehicle drivers have air brake endorsements promotes the safety of the people sharing the roads and highways across Saskatchewan.

Drivingtest.ca has prepared this Air Brake practice test to assist drivers in understanding air brake systems. This practice test and practical instruction will help drivers operate air brake-equipped vehicles before and after obtaining their Saskatchewan air brake endorsement A.

With information ranging from the essential operation of air brake systems to the use of both single and combination vehicles equipped with air brakes, this practice test includes everything you need to know about driving with air brakes safely and responsibly.

To successfully prepare, consider utilizing these exams and the official Saskatchewan “Air Brake Manual” to your advantage. The more knowledge you can attain, the better it will be for you once you decide to return to the license office to take the air brake license written knowledge test.