单项选择题
A.only when there is positive stability B.only when there is negative stability C.only when there is neutral stability D.at all times
The amount of freeboard which a ship possesses has a tr...
单项选择题The amount of freeboard which a ship possesses has a tremendous effect on its（）.
A.initial stability B.free surface C.stability at large angles of inclination D.permeability
Load line regulations are designed to insure that a ves...
单项选择题Load line regulations are designed to insure that a vessel has adequate structural strength and sufficient（）.
A.lifesaving equipment B.stability C.mooring tension D.riser tension
In the absence of external forces，the center of gravity...
单项选择题In the absence of external forces，the center of gravity of a floating vessel is located directly above the（）.
A.metacenter B.amidships C.center of flotation D.geometric center of the displaced volume
