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單項(xiàng)選擇題

For a floating vessel，the center of buoyancy and the metacenter are in the line of action of the buoyant force（）.

A.only when there is positive stability
B.only when there is negative stability
C.only when there is neutral stability
D.at all times

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單項(xiàng)選擇題

For a floating vessel，the result of subtracting KG from KM is the（）.

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

單項(xiàng)選擇題

For a vessel with transverse inclination，an increase in GMT causes（）.

A.list to stabilize at an angle of loll
B.list to decrease
C.trim to decrease
D.list to increase