Question 5005 Deck General
70% to passA jack-up 180 feet in length with the LCF at 120 feet AFO has a draft of 8 feet at the bow and 11 feet at the stern. What is the trim by the stern?
A
2.0 feet
B
2.4 feet
C
3.0 feet
D
6.0 feet
AI Explanation
The correct answer is C) 3.0 feet. To calculate the trim by the stern, we need to find the difference between the draft at the bow and the draft at the stern. Given that the jack-up has a draft of 8 feet at the bow and 11 feet at the stern, the trim by the stern is 11 feet - 8 feet = 3.0 feet. The other options are incorrect because: A) 2.0 feet is too low, as the difference between the stern and bow drafts is 3.0 feet. B) 2.4 feet is too low, as the difference between the stern and bow drafts is 3.0 feet. D) 6.0 feet is too high, as the difference between the stern and bow drafts is 3.0 feet.
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