Practice question

What should be included in a combination pre-trip inspection?

  1. Only the tractor engine oil
  2. Coupling system, air/electric lines, trailer frame, lights, brakes, tires, and landing gear
  3. Only the passenger seats
  4. Only the license plate

Answer: B — Coupling system, air/electric lines, trailer frame, lights, brakes, tires, and landing gear

The correct answer is shown above. Try the full quiz for additional practice.

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