单项选择题
The effect of free surface on initial stability depends upon（）.
A.the amount of liquid in the compartment B.the dimensions of the liquid surface and the vessel's displacement C.only the length of the compartment D.the vertical position of the liquid in the vessel
单项选择题 The downflooding angle for a ship is the maximum angle at which（）.
单项选择题 The angle of loll is a stability term which applies to a floating ship with（）.
单项选择题 Stability is determined principally by the location of two points in a vessel: the center of buoyancy and the（）.
