Question 4482Deck General70% to pass
The 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?
AI Explanation
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.
Related Questions
#4480 In a severe storm while elevated, the drilling loads on the COASTAL DRILLER must be considered as _______________.#4481 During a severe storm while the COASTAL DRILLER is elevated, on board loads must be shifted so that the TCG is on the centerline and the LCG is _______________.#4483 The COASTAL DRILLER is loaded as shown in the Sample Load Form #1 (Rig Move). How much more variable load in kips can be placed on the unit if winds remain less than 70 knots? #4484 The COASTAL DRILLER is loaded as shown in the Sample Load Form #1 (Rig Move). How much more variable load in kips can be placed on the unit if winds increase to greater than 70 knots? #4485 The 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 remain less than 70 knots?