Air Brake (Q Endorsement) Practice · Question
When checking for proper governor cut-out pressure, what should the air gauge indicate when the compressor stops pumping?
The governor cut-out pressure, at which the compressor stops pumping, should typically be between 120 psi and 145 psi, to ensure ample air supply for normal ope
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Question: When checking for proper governor cut-out pressure, what should the air gauge indicate when the compressor stops pumping?
Answer options: ✅ Between 120 psi and 145 psi.
- Between 85 psi and 100 psi.
- Always exactly 125 psi.
- Below 60 psi.
Correct answer: Between 120 psi and 145 psi.
Explanation: The governor cut-out pressure, at which the compressor stops pumping, should typically be between 120 psi and 145 psi, to ensure ample air supply for normal operation.
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