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Practice quizzes / Washington CDL Doubles and Triples Endorsement Test Practice Questions - Washington CDL Doubles and Triples Endorsement Test Exam / Question 201573
Practice question

What is the correct converter dolly air tank drain valve position for travel?

  1. Open
  2. Half open
  3. Closed
  4. Disconnected

Answer: C — Closed

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

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