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Air Brake (Q Endorsement) Practice · Question

Scenario 101: Typical cut-out pressure of the governor is approximately:

Cut-out (compressor stops pumping) is around 120–135 psi. The correct answer is "120–135 psi". This capacity-fill scenario 101 reinforces the same competency fo

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Question: Scenario 101: Typical cut-out pressure of the governor is approximately:

Answer options:

  • 80 psi
  • 100 psi ✅ 120–135 psi
  • 180 psi

Correct answer: 120–135 psi

Explanation: Cut-out (compressor stops pumping) is around 120–135 psi. The correct answer is "120–135 psi". This capacity-fill scenario 101 reinforces the same competency for the airbrake bank and follows the certified explanation standard.

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