單項(xiàng)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


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1.單項(xiàng)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

2.單項(xiàng)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

3.單項(xiàng)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

4.單項(xiàng)選擇題Initial stability is indicated by().

A.GM
B.KM
C.Deck load
D.Maximum allowed KG

5.單項(xiàng)選擇題Inclination of the vessel to port side or starboard side defines().

A.Tip
B.Capsize
C.List
D.Trim