Question 2454 Deck Safety

70% to pass

The SS AMERICAN MARINER is ready to bunker with drafts of FWD 17'-06", AFT 20'-04". After all bunkers are on board, soundings indicate the tonnages shown in table ST-0178 below. Use the white pages of The Stability Data Reference Book to determine the free surface correction.

Diagram for USCG Deck Safety: The SS AMERICAN MARINER is ready to bunker with drafts of FWD 17'-06", AFT...
A 1.05 feet
B 1.15 feet
C 1.25 feet
D 1.31 feet
AI Explanation

The correct answer is D) 1.31 feet. To determine the free surface correction, you need to use the white pages of The Stability Data Reference Book and find the corresponding free surface correction based on the given tank soundings. The free surface correction accounts for the effect of liquid free surfaces on the vessel's stability. Given the provided tank soundings, the free surface correction can be found to be 1.31 feet by referencing the appropriate table or chart in the Stability Data Reference Book. The other options, A) 1.05 feet, B) 1.15 feet, and C) 1.25 feet, are incorrect as they do not match the correct value of 1.31 feet based on the provided information.

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Official Resources
46 CFR Lifesaving Equipment USCG Marine Safety Center USCG National Maritime Center
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