The SS AMERICAN MARINER is ready to bunker...

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Question 1 of 2066636eec28f7522a1c51cbec

The SS AMERICAN MARINER is ready to bunker with drafts of FWD 13'-10", AFT 16'-04". After all bunkers are on board, soundings indicate the tonnages shown in table ST-0187 below. Use the white pages of The Stability Data Reference Book to determine the free surface correction.

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Question 1 of 20

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🔍 Key Concepts

• Use the white pages for the AMERICAN MARINER in the Stability Data Reference Book, not the blue example pages • Free surface correction is found from ( \text{FSC} = \frac{\sum \text{Free Surface Moments (FSM)}}{\Delta} ), where Δ is the ship’s displacement • Only slack tanks contribute to free surface; tanks that are full or empty do not

💭 Think About

• From the drafts given, which hydrostatic table do you use to find the displacement and KM for the AMERICAN MARINER? • Looking at table ST-0187, which tanks are likely to be slack and therefore require you to enter the FSM tables in the white pages? • After you obtain each tank’s FSM from the tables, what do you do with those values before dividing by displacement?

✅ Before You Answer

• Confirm you are summing FSM (moment) values, not tank capacities or weights of liquid • Verify that you have included each slack double bottom (DB) and deep tank (DT) listed in ST‑0187 that is not pressed full or empty • Before picking a choice, make sure your final FSC is in feet, not meter or moment units

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