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單項(xiàng)選擇題

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

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單項(xiàng)選擇題

The upward pressure of displaced water is called（）.

A.buoyancy
B.deadweight
C.draft
D.freeboard

單項(xiàng)選擇題

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

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