Alberta Air Brake (Q) Knowledge Test Practice Questions - Alberta Air Brake (Q Endorsement) Knowledge Test Exam - Variant 2

In an S-cam drum brake, what does the slack adjuster help do?

Rotate the S-cam and provide a means to compensate for brake wear Store compressed air for the steering axle Vent compressor discharge air Control the ABS warning lamp

Correct Answer:

Rotate the S-cam and provide a means to compensate for brake wear

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