The DEEP DRILLER is operating at a draft of 60 feet. There is 11.5 feet of drill water in each of the drill water tanks (5P and 5S). What would be the improvement in KGL if 5S is filled from 5P?

Correct Answer: Option D — 0.08 foot

Transfers of liquids between symmetrical tanks alter the vessel's vertical center of gravity. Cross-filling drill water tank 5S from 5P on the DEEP DRILLER results in a minimal vertical shift, improving KGL by 0.08 foot due to volumetric redistribution.