Practice question

While uncoupling a rear trailer, the driver lowers landing gear but the ground is soft. What is the safest concern?

  1. The landing gear may sink and allow the trailer to fall or tip
  2. Soft ground makes the trailer easier to release safely
  3. The air lines will automatically support the trailer
  4. The kingpin becomes stronger on soft ground

Answer: A — The landing gear may sink and allow the trailer to fall or tip

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