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Practice quizzes / Illinois CDL Doubles and Triples Practice Questions - Illinois CDL Doubles and Triples Endorsement Test Exam / Question 100247
Practice question

Before moving a newly coupled set of doubles, what should be completed?

  1. Coupling, air, light, valve, and inspection checks
  2. Drive first and inspect later
  3. Check only the horn
  4. Open last trailer shut-offs

Answer: A — Coupling, air, light, valve, and inspection checks

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

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