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سؤال 31

Which is an advantage of an ABC dry chemical over a carbon dioxide extinguisher?

  1. Less damage to electrical components
  2. Greater multipurpose extinguishing abilityپاسخ درست
  3. Lack of toxicity
  4. Burn-back protection

توضیح

The official Q170 sample marks B — “Greater multipurpose extinguishing ability” — as correct.

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سؤال 31: Which is an advantage of an ABC dry chemical over a carbon… · USCG OUPV Near Coastal · Q170 Deck General–Safety sample practice · Questena