单项选择题
In small angle stability，the metacentric height（）.
A.is found in the hydrostatic tables for a level vessel
B.multiplied by the displacement yields the righting moment
C.is always positive
D.is calculated by subtracting KG from KM
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相关考题
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单项选择题
In small-angle stability，when external forces exist，the buoyant force is assumed to act vertically upwards through the center of buoyancy and through the（）.
A.center of gravity
B.center of flotation
C.metacenter
D.metacentric height -
单项选择题
In the presence of external forces，the center of buoyancy of an inclined vessel is vertically aligned with the（）.
A.center of gravity
B.metacenter
C.center of flotation
D.keel -
单项选择题
Increasing free surfaces has the effect of raising the（）.
A.uncorrected KG
B.virtual height of the center of gravity
C.metacenter
D.metacentric height
