Question 4618 Deck General

70% to pass

A semisubmersible in transit is at a draft of 19 feet. The depth of the lower hulls is 21 feet. How much bunker fuel at 54.0 lbs/cu ft could be taken on and still provide one foot of freeboard if the TPI is 52.3?

A 255.2 long tons
B 843.9 long tons
C 627.6 long tons
D 648.0 long tons
AI Explanation

The correct answer is C) 627.6 long tons. To arrive at this answer, we need to calculate the maximum amount of bunker fuel that can be taken on while maintaining at least 1 foot of freeboard. The formula for this is: Bunker Fuel (in long tons) = (Depth of Lower Hulls - Draft) x TPI / 2240. Given: - Draft = 19 feet - Depth of Lower Hulls = 21 feet - TPI = 52.3 Plugging these values into the formula, we get: Bunker Fuel = (21 feet - 19 feet) x 52.3 / 2240 Bunker Fuel = 2 feet x 52.3 / 2240 Bunker Fuel = 104.6 / 2240 Bunker Fuel = 627.6 long tons This is the correct answer because it is the maximum amount of bunker fuel that can be taken on while maintaining at least 1 foot of freeboard, given the provided information. The other answer choices are incorrect because they do not match the calculated value.

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