Question 4729 Deck General
70% to passA semisubmersible, 200 feet in length between draft marks with the LCF 10 feet aft of amidships, records the following drafts: Port Forward 64'-09"; Port Aft 68'-09"; Starboard Forward 59'-09"; and Starboard Aft 63'-09". What is the list?
The correct answer is B) 5 feet to port. To calculate the list, we need to find the difference between the port and starboard drafts at the forward and aft draft marks. The list is the average of these two differences. At the forward draft marks, the difference is 64'9" - 59'9" = 5 feet to port. At the aft draft marks, the difference is 68'9" - 63'9" = 5 feet to port. The average of these two differences is 5 feet to port, which makes B the correct answer. The other options are incorrect because: A) 10 feet to port is too much, as the maximum difference between port and starboard drafts is only 5 feet. C) 5 feet to starboard is the opposite of the actual list direction. D) 2.5 feet to port is half the actual list.
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