Practice question

According to Alberta's Commercial Driver's Guide definitions, which braking system requires an air brake Q endorsement?

  1. Only vehicles that have parking brakes
  2. An air-actuated hydraulic system where air only boosts fully hydraulic foundation brakes
  3. Any vehicle equipped with cruise control
  4. A vehicle with air to all foundation brakes

Answer: D — A vehicle with air to all foundation brakes

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