Practice question

What should the driver verify at the rear of the last trailer during an air-brake check?

  1. Air reaches the last trailer and shut-off valves are closed behind it
  2. The cargo doors are unlocked
  3. The fifth wheel on the tractor is dry
  4. The license plate light is the only working light

Answer: A — Air reaches the last trailer and shut-off valves are closed behind it

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