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Practice quizzes / Washington CDL Doubles and Triples Endorsement Test Practice Questions - Washington CDL Doubles and Triples Endorsement Test Exam / Question 201563
Practice question

Before coupling, how should the rear trailer be secured?

  1. With brakes, wheel chocks, or spring brakes if equipped
  2. With marker lights only
  3. By leaving it in neutral
  4. By holding it by hand

Answer: A — With brakes, wheel chocks, or spring brakes if equipped

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

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