Practice question

When is a driver allowed to use water on a hazmat fire?

  1. Only when the emergency response information and conditions indicate it is appropriate
  2. Always, because water cools every material safely
  3. Never, because water is always prohibited
  4. Only when no placards are displayed

Answer: A — Only when the emergency response information and conditions indicate it is appropriate

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Practice more: Colorado CDL Hazmat Practice Questions - Colorado CDL Hazardous Materials Endorsement Test Exam →