OUPV & 100-Ton Master · Required Equipment
On an uninspected vessel, a B-I marine fire extinguisher is suitable for which class of fire?
- AClass A — ordinary combustibles like wood
- BClass D — combustible metals
- CClass C — energized electrical only
- DClass B — flammable liquids such as gasoline and oil✓ Correct
Explanation
Marine extinguishers carried on uninspected vessels are rated 'B' for flammable-liquid fires (fuel, oil), the most likely shipboard fire. The Roman numeral (I or II) indicates the size/capacity, not the fire class.
Authority: 46 CFR 25.30
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