You have a fully-charged air system (125 psi). After turning off the engine and releasing the service brake what are the maximum leakage rates per minute for both single and combination vehicles?
Answer: 2 psi for single, 3 psi for combination
CDL MCQ
CDL
You have a fully-charged air system (125 psi). After turning off the engine and releasing the service brake what are the maximum leakage rates per minute for both single and combination vehicles?
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