单项选择题
The waterplane area is described as the intersection of the surface of the water in which a vessel floats and the().
A.baseline
B.vertical reference plane
C.hull
D.horizontal reference plane
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单项选择题
The volume of watertight spaces of a vessel above its waterline is the vessel’s().
A.free surface
B.marginal stability
C.reserve buoyancy
D.freeboard -
单项选择题
The upward pressure of displaced water is called().
A.buoyancy
B.deadweight
C.draft
D.freeboard -
单项选择题
The total weight of cargo,fuel,water,stores,passengers and crew,and their effects,that a ship can carry,is the().
A.bale cubic
B.deadweight
C.gross tonnage
D.loaded displacement
