Question 2387 Deck Safety

70% to pass

The SS AMERICAN MARINER has drafts of: FWD 19'-04", AFT 21'-02". Use the white pages of the Stability Data Reference Book to determine the drafts if you ballast the forepeak with 68 tons of seawater.

A FWD 20'-00.3", AFT 20'-08.2"
B FWD 19'-09.7", AFT 20'-10.0"
C FWD 19'-11.7", AFT 20'-08.8"
D FWD 19'-11.1", AFT 20'-09.4"
AI Explanation

The correct answer is D) FWD 19'-11.1", AFT 20'-09.4". This is the correct answer because when 68 tons of seawater are added to the forepeak, the resulting drafts can be determined using the Stability Data Reference Book. The added 68 tons of ballast in the forepeak will increase the forward draft and decrease the aft draft, resulting in the drafts shown in option D. The other options are incorrect because they do not accurately reflect the changes in draft that would occur when 68 tons of seawater are added to the forepeak. Options A, B, and C do not properly account for the shift in the vessel's center of gravity and the resulting changes in draft.

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