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Practice quizzes / Washington CDL Doubles and Triples Endorsement Test Practice Questions - Washington CDL Doubles and Triples Endorsement Test Exam / Question 201647
Practice question

What if the converter dolly air tank drain is left open?

  1. The dolly reservoir can lose brake air
  2. The dolly steers better
  3. Fifth wheel locks automatically
  4. Lights charge faster

Answer: A — The dolly reservoir can lose brake air

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

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