Practice question

A CMV equipped with air brakes is parked on a steep hill. Beyond setting the parking brake, what else should you do?

  1. Leave the trailer disconnected
  2. Chock the wheels, especially if loaded or if the grade is steep
  3. Idle the engine all night
  4. Disconnect the battery

Answer: B — Chock the wheels, especially if loaded or if the grade is steep

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