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單項選擇題

In the absence of external forces，the center of buoyancy of an inclined vessel is vertically aligned directly below the（）.

A.center of gravity
B.amidships station
C.center of flotation
D.geometric center of the waterplane area

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單項選擇題

In practice，it is usual for the ship to be loaded（）to improve the vessel’s movement through the water.

A.a little deeper aft
B.a little deeper forward
C.at the same draught between fore and aft
D.a balance between two sides

單項選擇題

If the cause of severe list or trim is off-center ballast，counterflooding into empty tanks will（）.

A.increase the righting moment
B.increase the righting arm
C.increase list or trim
D.decrease list or trim