Q
85. The air loss rate for a straight truck or bus with the engine off and the brakes on should not be more than:
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A1 psi in one minute.
B2 psi in 45 seconds.
C3 psi in one minute.
Detailed Explanation
The correct answer is "3 psi in one minute.". This is based on federal CDL regulations and safety standards.
Correct Answer: 3 psi in one minute.
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