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


Saskatchewan Air Brake Test 01

1 / 25

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

2 / 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?

3 / 25

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

4 / 25

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

5 / 25

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

6 / 25

The supply reservoir is also known as...?

7 / 25

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

8 / 25

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

9 / 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?

10 / 25

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

11 / 25

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

12 / 25

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

13 / 25

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

14 / 25

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

15 / 25

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

16 / 25

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

17 / 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?

18 / 25

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

19 / 25

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

20 / 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...?

21 / 25

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

22 / 25

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

23 / 25

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

24 / 25

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

25 / 25

What function does the one-way check valve perform?

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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. 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.