单项选择题

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

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单项选择题

For a floating vessel，the center of flotation is the point in the waterplane（）.

A.about which the vessel lists and trims
B.which coincides with the center of buoyancy
C.which，in the absence of external forces，is always vertically aligned with the center of gravity
D.which is shown in the hydrostatic tables as VCB

单项选择题

During cargo operations，your vessel develops a list due to the center of gravity rising above the transverse metacenter. To correct the list，you should（）.

A.shift weight to the high side
B.shift weight to the centerline
C.add weight in the lower holds or double bottoms
D.remove weight from the lower holds or double bottoms

单项选择题

Beams are cambered to（）.

A.increase their strength
B.provide drainage from the decks
C.relieve deck stress
D.All of the above