How many B-II fire extinguishers must be in the machinery space of a 175-foot long fishing vessel propelled by engines with 3300 brake horsepower?

Correct Answer: Option C — 4

Title 46 CFR Table 28.160 dictates that machinery spaces on fishing vessels with propulsion engines exceeding 3000 and up to 4000 brake horsepower must be outfitted with four B-II portable fire extinguishers to ensure sufficient firefighting agent capacity for larger machinery spaces.