Practice question

What is the purpose of a quick release valve?

  1. Raise governor cut-out pressure
  2. Exhaust air near the chambers so brakes release faster
  3. Apply the parking brake springs mechanically
  4. Measure lining thickness

Answer: B — Exhaust air near the chambers so brakes release faster

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