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Question 30

CO2 mainly extinguishes a fire by which of the following?

  1. SmotheringCorrect answer
  2. Chemical action
  3. Cooling
  4. All of the above

Explanation

The official Q170 sample marks A — “Smothering” — as correct.

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Question 30: CO2 mainly extinguishes a fire by which of the following? · USCG OUPV Near Coastal · Q170 Deck General–Safety sample practice · Questena