How many B-II fire extinguishers must be in the machinery space of a 175-foot long fishing vessel propelled by engines with 2000 brake horsepower?

Correct Answer: Option A — 2

Title 46 CFR Table 28.160 mandates that fixed machinery spaces with propulsion engines delivering 1000 to 3000 brake horsepower must be equipped with two B-II portable fire extinguishers, regardless of whether the vessel length is 75 or 175 feet.