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單項選擇題

A load line of a ship is assigned by（）.

A.Minerals Management Service
B.Department of Energy
C.Corps of Engineers
D.A recognized classification society approved

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單項選擇題

A floating vessel will behave as if all of its weight is acting downward through the（）.

A.center of gravity
B.center of buoyancy
C.center of flotation
D.metacenter

單項選擇題

A continual worsening of the list or trim indicates（）.

A.negative GM
B.progressive flooding
C.structural failure
D.an immediate need to ballast

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