Question 4482 Deck General
70% to passThe COASTAL DRILLER is loaded as shown in the Sample Load Form #1 (Rig Move). What is the margin on the maximum allowable KG if winds increase to greater than 70 knots, and the TOC is changed to the recommended value?
The correct answer is B) 1.0 foot. The reasoning is as follows: 1. When winds increase to greater than 70 knots, the maximum allowable KG (vertical center of gravity) is reduced to maintain stability. The Sample Load Form #1 (Rig Move) provides the initial KG value, and the question asks for the margin on the maximum allowable KG under the increased wind conditions. 2. The correct answer of 1.0 foot means that the margin between the actual KG and the maximum allowable KG is 1.0 foot, which ensures the vessel's stability is maintained even with the higher wind speeds. 3. The other options are incorrect because A) 0.0 foot would indicate no margin, C) 37.0 feet and D) 38.0 feet are too high and would exceed the maximum allowable KG limit.
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