Practice question

How should you adjust your mirrors on a commercial motor vehicle?

  1. So you can see only the road behind you
  2. So you can see just a small portion of the trailer body along with the road behind and to the sides
  3. So you can see only the trailer doors
  4. Mirrors only need adjustment when pulling a new trailer

Answer: B — So you can see just a small portion of the trailer body along with the road behind and to the sides

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Practice more: WI CDL General Knowledge Practice Questions - Wisconsin Commercial Driver License General Knowledge Test Exam →