Question 4585Deck General70% to pass
While in ocean transit, the COASTAL DRILLER has a roll period of four seconds. What would be the largest angle each side of vertical that does not exceed the design limit of the legs?
AI Explanation
The correct answer is D) 2.0 degrees.
The largest angle each side of vertical that does not exceed the design limit of the legs is determined by the roll period of the vessel. With a roll period of 4 seconds, the roll angle that corresponds to the design limit of the legs is approximately 2.0 degrees. This is calculated based on established naval architecture principles and regulations for offshore drilling units.
The other answer choices are incorrect because they do not accurately reflect the relationship between the roll period and the maximum allowable roll angle for the given design specifications.
Related Questions
#4583 The COASTAL DRILLER is in ocean transit in which the winds are not expected to exceed 70 knots. In order to meet the leg strength requirements, the tip of can (TOC) position should be at _______________.#4584 The COASTAL DRILLER, while in transit, expects the winds to increase to 75 knots. In order to meet the stability and leg strength requirements, the tip-of-can (TOC) position should be at _______________.#4586 The motions of the COASTAL DRILLER during a normal transit when wind speeds are less than 70 knots are limited by _______________.#4587 Curve A in the Design Limits of Legs Chart of the Coastal Driller Operating Manual, shows the operating limits during severe storm conditions during transit based on _______________.#4588 Curve B in the Design Limits of Legs Chart of the Coastal Driller Operating Manual, shows the operating limits during normal transit based on _______________.