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...?

120 psi

60 psi

80 psi

100 psi

2 / 25

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

Moves the slack adjuster

Pushes the diaphragm

Moves the brake shoes

Rotates the brake cam

3 / 25

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

375°C

525°C

475°C

300°C

4 / 25

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

The governor

The compressor

The supply reservoir

The brakes

5 / 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?

0.1 of a second

0.4 of a second

0.2 of a second

0.6 of a second

6 / 25

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

125 psi

185 psi

165 psi

145 psi

7 / 25

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

150 psi

160 psi

130 psi

140 psi

8 / 25

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

0.75 of a second

One second

0.25 of a second

0.5 of a second

9 / 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

23,600

16,600

18,600

10 / 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?

4 x

8 x

2 x

12 x

11 / 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

2800 lbs

1800 lbs

4400 lbs

12 / 25

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

Daily

Hourly

Weekly

Monthly

13 / 25

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

It remains in the service brakes

It returns to the compressor

It is released through the exhaust port

It returns to the reservoirs

14 / 25

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

15 / 25

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

Air pressure

Brake heat

Tire pressure

Braking power

16 / 25

The supply reservoir is also known as...?

The wet reservoir

The dry reservoir

The cool reservoir

The hot reservoir

17 / 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

18 / 25

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

Convert liquid to gas

Convert motion to heat

Convert motion to liquid

Convert heat to motion

19 / 25

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

Five

Four

Six

Three

20 / 25

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

Brake lag

Reaction time

Braking distance

Engine speed

21 / 25

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

Quadruple

Treble

Double

Remain the same

22 / 25

What function does the one-way check valve perform?

Stops air bleeding from the service reservoir to the supply reservoir

Stops air bleeding from the air lines to the brakes

Stops air bleeding from the supply reservoir to the compressor

Stops air bleeding from the supply reservoir to the service reservoir

23 / 25

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

150°C

90°C

120°C

200°C

24 / 25

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

Enables movement

Pulls them together

Pushes them apart

Resists movement

25 / 25

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

All of these things

Pushes the push rod assembly forward

Pulls the push rod assembly back

Releases air from the chamber

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.