On a MODU, size III, IV, and V extinguishers are considered __________.
Official USCG Answer & Rule Citation
Correct Answer: Option B — semi-portable
Maritime safety classifications categorize portable fire extinguishers by size. Under USCG guidelines, sizes III, IV, and V exceed small hand-portable thresholds and are officially designated as semi-portable units requiring wheeled carts or fixed hoses.
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