Practice question

What is one key safety advantage of a dual air brake system?

  1. It eliminates the need for low-air warnings
  2. It removes all brake lag
  3. It can preserve one service brake circuit after a failure in the other circuit
  4. It makes reservoirs unnecessary

Answer: C — It can preserve one service brake circuit after a failure in the other circuit

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