Question 2066Deck Safety70% to pass
You have completed stability calculations for your vessel prior to getting underway. Your vessel's GM is small but positive. Which of the following is true?
AI Explanation
The correct answer is D) the vessel will possess a long rolling period.
When a vessel's GM (Metacentric Height) is small but positive, it indicates the vessel has high initial stability. This means the vessel will have a long rolling period, as it takes more energy to roll the vessel from upright to the maximum angle of roll. Conversely, a vessel with a short rolling period would have low initial stability, which is not the case here.
The other options are incorrect because: A) a positive GM means the vessel has positive stability, not negative stability; B) a small but positive GM indicates high initial stability, not a short rolling period; and C) high initial stability is the correct characterization, not low initial stability.
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