单项选择题

The important initial stability parameter，GM，is the（）.

A.metacentric height
B.height of the metacenter above the keel
C.height of the center of buoyancy above the keel
D.height of the center of gravity above the keel

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单项选择题

The greatest effect on stability occurs from loose liquids flowing（）.

A.from side to side in the tanks of the vessel
B.from fore to aft in the tanks of a vessel
C.in and out of a vessel that is holed in a wing tank
D.in and out of a vessel that is holed in a peak tank

单项选择题

The effects of free surface on initial stability depend upon the dimensions of the surface of the free liquids and the（）.

A.volume of liquid in the tank
B.volume of displacement of the vessel
C.location of the tank in the vessel
D.height of the center of gravity of the vessel

单项选择题

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