單項(xiàng)選擇題The effects of free surface on a vessel’s initial stability do NOT depend upon the（）.

A.volume of displacement of the vessel
B.dimensions of the surface of the liquid
C.amount of liquid in slack tanks
D.specific gravity of the liquid in the tank


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1.單項(xiàng)選擇題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

2.單項(xiàng)選擇題The downflooding angle for a ship is the maximum angle at which（）.

A.stability is positive
B.neutral equilibrium exists
C.the load line is not submerged
D.intact stability curves are valid

3.單項(xiàng)選擇題The angle of loll is a stability term which applies to a floating ship with（）.

A.off-center loading
B.stiff characteristics
C.excessive pitch or roll
D.negative initial stability

4.單項(xiàng)選擇題Stability is determined principally by the location of two points in a vessel: the center of buoyancy and the（）.

A.metacenter
B.geometric center of the waterplane area
C.center of gravity
D.center of flotation

5.單項(xiàng)選擇題Stability is determined principally by the location of the center of gravity and the（）.

A.aft perpendicular
B.center of buoyancy
C.keel
D.center of flotation