Practice question

When is an en-route inspection of a double trailer combination particularly important?

  1. Only at the beginning of the trip
  2. After the first 50 miles and at every stop, especially checking coupling devices and cargo
  3. Only at the end of the trip
  4. Never; en-route inspection is not required

Answer: B — After the first 50 miles and at every stop, especially checking coupling devices and cargo

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