Question 9 of 25
Score: 0/0After the initial pressure drop, what are the maximum allowed air leakage rates per minute?
ExplanationAfter the first drop in air pressure, an acceptable leakage rate is up to 3 psi per minute for single vehicles and up to 4 psi per minute for combination vehicles to ensure safe brake operation.
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Did you know? Don't fan the brakes down a long grade; that's how you lose air and the test wants you to know why.
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