Practice question

What is the rule about alcohol use before operating a CMV?

  1. Do not use alcohol within 4 hours before going on duty or operating a CMV
  2. Alcohol is allowed if the route is short
  3. Alcohol is allowed if the driver eats a meal
  4. Only hard liquor is restricted

Answer: A — Do not use alcohol within 4 hours before going on duty or operating a CMV

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