Practice question

What is the tractor protection system designed to do if a trailer breaks away and air lines rupture?

  1. Shut off tractor air loss so enough pressure remains for the tractor to stop safely
  2. Increase cargo weight
  3. Release all tractor brakes permanently
  4. Steer the trailer back to the tractor

Answer: A — Shut off tractor air loss so enough pressure remains for the tractor to stop safely

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