How many B-II fire extinguishers must be in the machinery space of a 75-foot long fishing vessel propelled by engines with 1200 brake horsepower?

Correct Answer: Option B — 2

According to 46 CFR Table 28.160 standards for commercial fishing vessels, machinery spaces driven by engines producing between 1000 and 3000 brake horsepower require exactly two B-II foam or CO2 portable fire extinguishers for adequate initial fire suppression capability.