單項選擇題

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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單項選擇題

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

單項選擇題

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