North-Carolina CDL Air Brakes Test

Learn about air brake systems, operation, and safety procedures required for commercial vehicles.

25 Questions
20/25 to Pass
30 Minutes
Select Test Mode:

About the Air Brakes Test

Learn about air brake systems, operation, and safety procedures required for commercial vehicles.

Test Requirements

  • Number of questions: 25
  • Correct answers to pass: 20 out of 25
  • Passing score: 80%
  • Time limit: 30 minutes

North-Carolina DMV Information

North Carolina Division of Motor Vehicles (NCDMV)

Visit NC DMV Website