Practice question

What do remote indicators of remote-control coupling devices tell the driver in the cab?

  1. That the trailer registration plate has been photographed
  2. That coupling has been completed and the safety devices have engaged
  3. That the combination is travelling at exactly 70 km/h
  4. That the trailer parking brake is released, so it is safe to uncouple

Answer: B — That coupling has been completed and the safety devices have engaged

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