What is used as an indicator of initial stability? （）

A.GM
B.KG
C.KM
D.GZ

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单项选择题

What is the stability term for the distance from the center of gravity (G) to the Metacenter (M)，when small-angle stability applies? （）

A.metacentric height
B.metacentric radius
C.height of the metacenter
D.righting arm

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

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

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