单项选择题
For a floating vessel，the result of subtracting KG from KM is the（）.
A.height of the metacenter B.height of the righting arm C.height of the center of buoyancy D.metacentric height
单项选择题 For a floating vessel，the center of flotation is the point in the waterplane（）.
单项选择题 During cargo operations，your vessel develops a list due to the center of gravity rising above the transverse metacenter. To correct the list，you should（）.
单项选择题 Beams are cambered to（）.
