Practice question

A driver is reviewing last trailer valves. Which answer matches official New York DMV or FMCSA guidance?

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

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

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

Practice more: NY CDL Doubles and Triples Practice Questions - New York CDL Doubles and Triples Endorsement Test Exam →