BC Transit – Air Brake Course

Review of Section Four
1) Why are springs brakes a reliable type of parking
brake?
2)What is meant by “compounding the brakes?”
3) How are spring brakes held in the released position?
4) What are the functions of the cab- mounted park brake
control valve?
5) Will park brakes apply automatically in ALL braking
systems?
2) 1) Application They are applied of service by spring brakes pressure, and park not
4) brake by air at pressure. the same time
3) apply By system and 5) release No. Some air pressure
the types park brake require the operator to apply the
park brake.
Left click for answers.
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