单项选择题
Deballasting a double bottom has what affect on KG?（）.
A.KG is increased B.KG is decreased C.KG is not affected D.KG increases at light drafts and decreases at deep drafts
单项选择题 For a floating vessel，the center of buoyancy and the metacenter are in the line of action of the buoyant force（）.
单项选择题 For a floating vessel，the result of subtracting KG from KM is the（）.
单项选择题 For a vessel with transverse inclination，an increase in GMT causes（）.
