When fighting a fire in a space containing an IMO class 1 hazardous cargo, the most effective fire fighting procedure is to __________.
Official USCG Answer & Rule Citation
Correct Answer: Option A — use water from fire hoses or a sprinkler system
IMO Class 1 hazardous materials consist of explosives, which contain their own oxidizers. Standard smothering agents like CO2 are ineffective; massive volumes of water from fire hoses or sprinkler systems are required for cooling and suppression.
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