單項(xiàng)選擇題The upward pressure of displaced water is called().

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


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2.單項(xiàng)選擇題The term that indicates how many tons of cargo a vessel can carry is().

A.bale cubic
B.deadweight
C.gross tonnage
D.loaded displacement

3.單項(xiàng)選擇題The term length of a vessel in International Regulations for Preventing Collision at Sea 1972 means().

A.the length between perpendiculars
B.the registered length
C.the length overall
D.the length of waterplane on summer draft

4.單項(xiàng)選擇題The ship should have a slightly deeper draft().

A.on port side
B.on starboard side
C.at the port quarter
D.at the stern

5.單項(xiàng)選擇題The ship has()of more than 10 meters at full load.

A.an engine
B.an overall length
C.a displacement
D.a draft