單項(xiàng)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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2.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

3.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

4.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

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

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