單項選擇題

The primary purpose of a load line is to establish required（）.

A.minimum freeboard
B.GM
C.transverse stability
D.fresh water allowances

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單項選擇題

The point to which your vessel’s center of gravity (G) may rise and still permit the vessel to have positive stability is called the（）.

A.metacentric point
B.metacenter
C.metacentric radius
D.tipping center

單項選擇題

The magnitude of a moment is the product of the force and（）.

A.time
B.lever arm
C.displacement
D.angle of inclination