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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

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單項選擇題

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

單項選擇題

Increasing the number of slack liquid tanks has the effect of raising the（）.

A.uncorrected KG
B.maximum allowed KG
C.virtual height of the center of gravity
D.metacentric height

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