单项选择题
A.positive B.negative C.zero D.vertical
A partially full tank causes a virtual rise in the heig...
单项选择题A partially full tank causes a virtual rise in the height of the（）.
A.metacenter B.center of buoyancy C.center of flotation D.center of gravity
A neutral equilibrium position for a vessel means that ...
单项选择题A neutral equilibrium position for a vessel means that the metacenter is（）.
A.lower than the keel B.at the same height as the center of gravity C.exactly at midships D.at the center of the waterplane area
A load line of a ship is assigned by（）.A.Minerals Manag...
单项选择题A load line of a ship is assigned by（）.
A.Minerals Management Service B.Department of Energy C.Corps of Engineers D.A recognized classification society approved
