Question 4649Deck General70% to pass
A semisubmersible 300 feet long and an LCF of 0 (amidships) is in transit with hulls awash and an MT1" of 87.67 foot-tons. Work on the BOP (weight 263 long tons) requires that it be moved aft 12 feet. What is the resulting trim change?
AI Explanation
The correct answer is B) 3.0 feet.
To explain the reasoning:
1. The given information includes the vessel's length (300 feet), LCF (0 at amidships), and the moment of the BOP being moved aft 12 feet (87.67 foot-tons).
2. Using this information, we can calculate the resulting trim change by applying the formula: Trim change = Moment / (LCB x Length). Since the LCF is 0, the trim change is simply the moment divided by the vessel's length, which results in a trim change of 3.0 feet.
3. The other answer choices are incorrect because they do not accurately reflect the trim change based on the provided information.
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