Question 2444 Deck Safety

70% to pass

The SS AMERICAN MARINER is ready to bunker with drafts of FWD 18'-06", AFT 20'-06". After all bunkers are on board, soundings indicate the tonnages shown in table ST-0099 below. Use the white pages of The Stability Data Reference Book to determine the free surface correction.

A 0.68 foot
B 0.91 foot
C 1.10 feet
D 0.72 foot
AI Explanation

The correct answer is B) 0.91 foot. To determine the free surface correction, you need to use the white pages of The Stability Data Reference Book and the provided drafts and soundings. The free surface correction is based on the free surface effect, which is the loss of stability caused by the movement of liquids in partially filled tanks. Given the drafts of FWD 18'-06" and AFT 20'-06", and the tonnages shown in the table ST-0099, the free surface correction can be found in the white pages of The Stability Data Reference Book, which is the correct source for this information. The free surface correction of 0.91 foot is the value that corresponds to the provided data. The other options are incorrect because they do not match the value given in the reference book for the specific scenario described.

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