Practice question

Why is proper mirror adjustment critical on a CMV?

  1. It helps manage blind spots and monitor traffic to the sides and rear
  2. It eliminates the need to signal
  3. It makes backing safe without looking
  4. It is needed only during night driving

Answer: A — It helps manage blind spots and monitor traffic to the sides and rear

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Practice more: DC CDL General Knowledge Practice Questions - District of Columbia Commercial Driver License General Knowledge Test Exam →