Question 4607Deck General70% to pass
What is the decrease in longitudinal moments for the Deep Driller if 2.0 feet of ballast is transferred from 1S to 10P?
AI Explanation
The correct answer is B) 14,609 ft-tons.
The decrease in longitudinal moments when 2.0 feet of ballast is transferred from 1S to 10P is 14,609 ft-tons. This is because moving ballast weight from a forward location (1S) to an aft location (10P) will reduce the longitudinal moment, as the moment arm for the aft location is larger. The calculation takes into account the weight of the ballast and the change in moment arm to determine the overall decrease in longitudinal moment.
The other options are incorrect because they do not accurately reflect the change in longitudinal moment due to the ballast transfer. Option A is too high, Option C is too low, and Option D is also too low compared to the correct answer.
Related Questions
#4605 The DEEP DRILLER is loaded as shown in the Sample Load Form #2 (Ballasting to Survival). What is the metacentric height corrected for longitudinal free surface effects if 100.76 long tons of ballast are added to Ballast Tank #8S to replace the discharge of all bulk materials? #4606 What is the displacement of the DEEP DRILLER with a draft of 19.5 feet in fresh water? #4608 Where is thicker plating usually found in the construction of integral tanks on a MODU? #4609 The DEEP DRILLER, while loaded as shown in the Sample Load Form #4 (Drilling), suffers damage to the starboard center column below the waterline. Among the tanks from which you should pump is tank _______________.#4610 Fighting a rig fire in a watertight compartment with hoses could reduce the stability of the rig by _______________.