Practice question

When is coupling described as automatic in IAAA Category E theory?

  1. When a mechanic must always insert a separate safety pin by hand after contact
  2. When reversing the towing vehicle towards the trailer is sufficient to perform proper coupling
  3. When the driver couples from the cab without any mechanical hitch
  4. When the trailer is chained to the tractor bumper

Answer: B — When reversing the towing vehicle towards the trailer is sufficient to perform proper coupling

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