Practice question

If air will not build and rear shut-off valves are open, what is likely happening?

  1. If air will not build and rear valves are open, air may be exhausting at the rear of the last trailer.
  2. fifth wheel is too greasy
  3. trailer is too short
  4. steering tread is too deep

Answer: A — If air will not build and rear valves are open, air may be exhausting at the rear of the last trailer.

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