Practice question

After the 5th wheel has engaged with the trailer kingpin, what test must the driver perform?

  1. A speed test
  2. A pull test (tug test) — gently try to pull away with the trailer brakes applied to confirm the coupling is locked
  3. A fuel economy test
  4. A horn test

Answer: B — A pull test (tug test) — gently try to pull away with the trailer brakes applied to confirm the coupling is locked

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Practice more: UK LGV Theory Test (Driver CPC Part 1) →