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Practice quizzes / Illinois CDL Doubles and Triples Practice Questions - Illinois CDL Doubles and Triples Endorsement Test Exam / Question 100281
Practice question

Why is raising the rear trailer landing gear too early unsafe?

  1. An insecure coupling could let the trailer shift or fall
  2. It closes the dolly drain valve
  3. It turns on ABS
  4. It improves the tug test

Answer: A — An insecure coupling could let the trailer shift or fall

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

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