单项选择题
What is the principal danger from the liquid in a half full tank onboard a vessel?（）
A.Corrosion from the shifting liquid
B.Rupturing of bulkheads from the shifting liquid
C.Loss of stability from free surface effect
D.Holing of the tank bottom from the weight of the shifting liquid
相关考题
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单项选择题
What is the definition of transverse metacenter?（）
A.The distance between the actual center of gravity and the maximum center of gravity that will still allow a positive stability
B.The point to which G may rise and still permit the vessel to possess positive stability
C.The sum of the center of buoyancy and the center of gravity
D.The transverse shift of the center of buoyancy as a vessel rolls -
单项选择题
To prevent loss of stability from free communication flooding you should（）.
A.close the cross-connection valve between the off-center tanks
B.completely flood high center tanks
C.ballast double bottom wing tanks
D.close any opening to the sea in an off-center tank -
单项选择题
To improve your vessel’s stability in a hazardous situation，you should（）.
A.ballast deep tanks if they are slack
B.transfer ballast athwartships
C.pump out double bottoms
D.fill double bottoms from deep tanks
