The SS AMERICAN MARINER is ready to bunker...

Question 1 / 2066636eec28f7522a1c51cbe9

Question 1 of 2066636eec28f7522a1c51cbe9

The SS AMERICAN MARINER is ready to bunker with drafts of FWD 11'-01", AFT 15'-01". After all bunkers are on board, soundings indicate the tonnages shown in table ST-0103 below. Use the white pages of The Stability Data Reference Book to determine the free surface correction.

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🔍 Key Concepts

• Use the white-page tank capacity and free-surface moment (FSM) tables for each listed bunker tank at the given tonnages • Only partly filled (slack) tanks create a free surface correction; pressed-up or empty tanks do not • Free surface correction to GM is found by summing all corrected FSMs and dividing by the ship’s displacement at the given drafts

💭 Think About

• From the tonnages shown, which tanks are likely slack rather than full or empty, based on their capacities in the book? • When you look up each tank in the white pages, how do you adjust the tabulated FSM for the actual specific gravity of fuel carried? • After finding the total FSM, how do you obtain the correction in feet from the hydrostatic displacement at the given drafts?

✅ Before You Answer

• Be sure you are using the correct table for SS AMERICAN MARINER and for the exact tank name and sounding/tonnage (e.g., DB 3 CL vs DB 3 P/S vs DT 2 P/S) • Confirm the displacement you use comes from the hydrostatic tables for the given forward and aft drafts (use the proper mean draft and any required interpolation) • Verify that your final step is FSC = (Σ FSM) / Δ, and that you keep units consistent so the result is in feet of GM correction

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Question 1 of 20

0.87 foot

0.98 foot

1.14 feet

1.25 feet

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Question 1 / 2066636eec28f7522a1c51cbe9

Question 1 of 2066636eec28f7522a1c51cbe9

Back

Question 1 of 20

66636eec28f7522a1c51cbe9

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🔍 Key Concepts

💭 Think About

✅ Before You Answer

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