🛞North Carolina Air Brakes — Question 1 of 20

The application pressure gauge shows how much air pressure you:

North Carolina CDL Air Brakes Test Info

Questions on Exam

25

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)

Official CDL Portal

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