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單項(xiàng)選擇題

The amount of freeboard which a ship possesses has a tremendous effect on its（）.

A.initial stability
B.free surface
C.stability at large angles of inclination
D.permeability

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單項(xiàng)選擇題

Load line regulations are designed to insure that a vessel has adequate structural strength and sufficient（）.

A.lifesaving equipment
B.stability
C.mooring tension
D.riser tension

單項(xiàng)選擇題

In the absence of external forces，the center of gravity of a floating vessel is located directly above the（）.

A.metacenter
B.amidships
C.center of flotation
D.geometric center of the displaced volume

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