Practice question

Which statement is correct about last trailer valves for the New York CDL doubles/triples test?

  1. last trailer rear shut-offs should be open for travel
  2. last trailer rear shut-offs should be removed
  3. last trailer rear shut-offs should be half-open
  4. rear shut-off valves on the last trailer should be closed

Answer: D — rear shut-off valves on the last trailer should be closed

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