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

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 supply reservoir to the service reservoir

Stops air bleeding from the supply reservoir to the compressor

Stops air bleeding from the air lines to the brakes

2 / 25

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

Engine speed

Braking distance

Reaction time

Brake lag

3 / 25

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

Brake heat

Air pressure

Tire pressure

Braking power

4 / 25

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

150 psi

140 psi

160 psi

130 psi

5 / 25

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

0.75 of a second

0.25 of a second

One second

0.5 of a second

6 / 25

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

100 psi

80 psi

60 psi

120 psi

7 / 25

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

200°C

150°C

120°C

90°C

8 / 25

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

Convert heat to motion

Convert motion to heat

Convert liquid to gas

Convert motion to liquid

9 / 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

10 / 25

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

4400 lbs

2800 lbs

3600 lbs

1800 lbs

11 / 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

1000 hp

400 hp

2000 hp

12 / 25

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

Moves the slack adjuster

Rotates the brake cam

Moves the brake shoes

Pushes the diaphragm

13 / 25

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

The brakes

The compressor

The supply reservoir

The governor

14 / 25

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

300°C

475°C

525°C

375°C

15 / 25

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

Three

Four

Five

Six

16 / 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

0.6 of a second

0.2 of a second

17 / 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?

16,600

21,600

23,600

18,600

18 / 25

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

165 psi

125 psi

185 psi

145 psi

19 / 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 is released through the exhaust port

It returns to the compressor

20 / 25

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

Pushes them apart

Pulls them together

Enables movement

Resists movement

21 / 25

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

Double

Treble

Remain the same

Quadruple

22 / 25

The supply reservoir is also known as...?

The cool reservoir

The dry reservoir

The hot reservoir

The wet reservoir

23 / 25

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

Pushes the push rod assembly forward

Releases air from the chamber

Pulls the push rod assembly back

All of these things

24 / 25

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

Monthly

Daily

Hourly

Weekly

25 / 25

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

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.