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- Master & Mate (Great Lakes and Inland (Limited Tonnage: Less Than 200 GRT)) »
- Q341 - Deck Safety
84. On a class «B» fire, which portable fire extinguisher would be the LEAST desirable?
Water extinguishers are unsuitable for Class B fires because they can spread flammable liquids, increasing the fire's size and intensity. Foam, dry chemical, and carbon dioxide extinguishers are appropriate for Class B fires as they either smother the fuel or interrupt the combustion process.
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