Air Brake (Q Endorsement) Practice · Question
During a static leakage test on a single vehicle (engine off, brakes released), what is the maximum permissible air loss in one minute?
For a single vehicle with the engine off and brakes released, the static leakage test standard allows for no more than 5 psi air loss in one minute.
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Question: During a static leakage test on a single vehicle (engine off, brakes released), what is the maximum permissible air loss in one minute?
Answer options:
- Not more than 3 psi. ✅ Not more than 5 psi.
- Not more than 7 psi.
- Not more than 2 psi.
Correct answer: Not more than 5 psi.
Explanation: For a single vehicle with the engine off and brakes released, the static leakage test standard allows for no more than 5 psi air loss in one minute.
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