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- Q131 - Deck Safety: Stability Problems
169. On a vessel of 9,000 tons displacement there are two slack deep tanks of palm oil (SG .86). Each tank is 40 feet long and 30 feet wide. What is the reduction in metacentric height due to free surface with the vessel in sea water (SG 1.025)?
The reduction in metacentric height due to free surface is calculated as (liquid weight density * total free-surface moment of inertia) / ship displacement, resulting in a value of 0.48 ft.
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