Air brakes are an essential component of commercial vehicles in Alberta, Canada. They are designed to prevent the vehicle from rolling or skidding by applying compressed air to the brakes.


Alberta Air Brake Test 03

1 / 25

If you suspect an air line is contaminated, what should you do?

2 / 25

What does the trailer air supply valve do?

3 / 25

If the secondary service circuit fails, which of these will stop working?

4 / 25

'Dead end' couplers should be used on air lines that are not in use to prevent what?

5 / 25

If colour coding is used, the supply circuit will be...?

6 / 25

A spring park brake will be 'caged' for what purpose?

7 / 25

If the supply circuit fails, what should the driver do to conserve air pressure?

8 / 25

For provincial carriers, a commercial vehicle is one with a registered weight of...?

9 / 25

To which of these does the double foot valve directly apply pressure?

10 / 25

You may find a safety actuator that mechanically maintains a service brake application when parked on which type of vehicle?

11 / 25

The spring park brake control valve on the dashboard is usually which colour?

12 / 25

What colour is the Supply/emergency line when colour coding is used?

13 / 25

Air pressure is used for what when parking?

14 / 25

Why are air brakes not suitable for parking?

15 / 25

A driver can use the trailer control valve (hand valve) in order to do what?

16 / 25

An anti-compound system is designed to do what?

17 / 25

Trailers receive air from where?

18 / 25

Trailers receive instructions as to when to apply and release the brakes from...?

19 / 25

If one of the circuits of an air brake system fails, the vehicle should not be driven...?

20 / 25

The service line sends messages to the trailer's service brake circuits using what?

21 / 25

In most spring park brake chambers, the coil spring can exert a force of up to...?

22 / 25

In order to play its part with the spring park brakes, air pressure must be around...?

23 / 25

The spring park brake system draws air from...?

24 / 25

If there is a failure in the primary service circuit, the first warning will be what?

25 / 25

What are 'glad hands'?

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Provincial regulations require all commercial drivers to obtain an air brake endorsement on their driver’s license. The endorsement requires drivers to pass a specialized knowledge test and practical air brake system examinations. The Alberta Commercial Carrier Compliance Program (CCCP) inspects commercial vehicles for air brake compliance to ensure the safe operation of these vehicles on Alberta’s highways. Drivers must also conduct daily inspections of their air brake system to ensure proper operation and prevent accidents. In Alberta, any operator who fails to maintain an air brake system by the regulations can face fines and have their license suspended. As such, drivers must maintain their air brake systems well to ensure everyone’s road safety. 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 Alberta air brake endorsement.

To successfully prepare, consider utilizing these exams and the official Alberta “Air Brake Manual – A Guide for Students” 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.