CDL MCQ
CDL
The air leakage rate for a combination vehicle (engine off, brakes on) should not be more than ___ psi per minute.
The air leakage rate for a combination vehicle (engine off, brakes on) should not be more than ___ psi per minute.
The air leakage rate for a combination vehicle (engine off, brakes on) should not be more than ___ psi per minute.
a) 2
b) 4
c) 6
Answer: b) 4
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