Air Brake Coach
InspectionQuestion 84 of 116

What must you do with your hand when you disconnect a live air line?

  1. Hold the coupler away from the tractor
  2. Put it between the glad hand couplers and your face
  3. Cover your ears
  4. Open the drain valves
Show answer

Correct answer: Put it between the glad hand couplers and your face

This stops air pressure from blowing debris into your face.

Source: Air Brake Manual: A Guide for Instructors (Government of Alberta, Alberta Transportation, March/April 2012), Module 10: Vehicle inspections, page 99

Practice inspection

Questions last reviewed: 18 October 2026