🔗North Carolina Combination Vehicles — Question 4 of 20
The air brake leakage rate for a combination vehicle (engine off, brakes off) should not be more than ____ psi per minute.
North Carolina CDL Combination Vehicles Test Info
Questions on Exam
20
Passing Score
80%
Time Limit
Typically 30 minutes; varies by testing location
Age Requirements
Intrastate: 18+ · Interstate: 21+
North Carolina Division of Motor Vehicles (NCDMV)
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