Question 4863Deck General70% to pass
What is the change in the vertical moments for the DEEP DRILLER if 2.0 feet of ballast is transferred from a full ballast tank 3P to an empty ballast tank 10P?
AI Explanation
The correct answer is C) 556 ft-tons decrease.
When 2.0 feet of ballast is transferred from a full ballast tank 3P to an empty ballast tank 10P, the vertical moment of the vessel will decrease. This is because the center of gravity of the ballast will shift to a lower position, resulting in a decrease in the overall vertical moment.
The other options are incorrect because:
A) 43 ft-tons increase is incorrect, as the vertical moment will decrease, not increase.
B) 69 ft-tons decrease is incorrect, as the actual decrease is 556 ft-tons.
D) 5,575 ft-tons decrease is incorrect, as the decrease is not that significant.
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