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Practice quizzes / Ontario Air Brake Z Test Practice Questions - Ontario Air Brake (Z Endorsement) Knowledge Test Exam / Question 160736
Practice question

What is the maximum applied air-loss rate for a tractor with two or more trailers?

  1. 15 psi per minute
  2. 6 psi per minute
  3. 3 psi per minute
  4. 4 psi per minute

Answer: B — 6 psi per minute

The correct answer is shown above. Try the full quiz for additional practice.

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