The Air Brake endorsement is a crucial requirement for any commercial driver in Saskatchewan, Canada, who intends to operate a commercial vehicle with air brakes.


Saskatchewan Air Brake Test 04

1 / 25

If your system is working correctly, air pressure should rise from 85 to 100 psi within...?

2 / 25

When checking the compressor operation in your pretrip inspection, you should run the engine at what speed?

3 / 25

What causes brake fade?

4 / 25

The service line connects...?

5 / 25

When inspecting your unit, the vehicle should...?

6 / 25

Cut-in is controlled by the governor. It can also be referred to as?

7 / 25

Draincocks will be found on...?

8 / 25

Brakes can suffer 'bottoming out' if the brake lining wears by 2.5 μms. This is equivalent to the thickness of...?

9 / 25

The application pressure gauge tells the driver what?

10 / 25

'Spike' is another term for what?

11 / 25

How do air over hydraulic brakes function?

12 / 25

When the trailer becomes disconnected from the tractor, it is called a...?

13 / 25

When the brakes are fanned to lower air pressure, the truck park brake valve will...?

14 / 25

When testing your system you should disconnect the service line and there should be...?

15 / 25

The primary reservoir normally supplies are to which brakes?

16 / 25

The amount of heat that can be absorbed by a brake drum depends on what?

17 / 25

The final test before a vehicle is put into service should be...?

18 / 25

The time between a driver pressing the brake pedal and the brakes being applied is called what?

19 / 25

The parking brake valve on the dashboard will normally be which colour?

20 / 25

The S-cam activates what?

21 / 25

A warning sign which drops from above the windshield to alert the driver to low air pressure is called what?

22 / 25

Brake pads are found on...?

23 / 25

The maximum allowed air loss in a combination unit when the foot valve is applied fully is how much in one minute?

24 / 25

When you disconnect the supply line, the trailer brakes should do what?

25 / 25

If someone refers to a 'piggyback' they are referring to...?

Your score is


This endorsement is mandatory since air brake systems are more complex than hydraulic systems and require specific skills and knowledge to operate safely. In Saskatchewan, the air brake practical test comprises four components: conducting a pre-trip inspection of the air brake system, identifying air leaks, conducting a brake adjustment test, and performing an emergency stop. To obtain the Air Brake endorsement, drivers must complete the practical test and pass a written knowledge exam. Moreover, it is essential to note that professionals who get a Class 1 or Class 2 license in Saskatchewan must hold the Air Brake endorsement. The Air Brake system ensures not only the safety of the driver but also the safety of other road users. 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.