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- Q131 - Deck Safety: Stability Problems
196. Your vessel displaces 728 tons and measures 138'L by 31'B. What is the reduction in GM due to free surface if the fish hold (36'L by 29'B by 9'D) is filled with 3.6 feet of water? (Each foot of water weighs 29.8 tons)
The reduction in GM due to free surface is calculated using the formula GG0 = LB3/KΔ, where L and B are the tank's length and breadth, K is a constant, and Δ is the ship's displacement. Applying this formula with the given dimensions and displacement yields a reduction of 2.50 feet.
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