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


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1.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

2.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

3.單項(xiàng)選擇題The primary purpose of a load line is to establish required().

A.minimum freeboard
B.GM
C.transverse stability
D.fresh water allowances

4.單項(xiàng)選擇題The point to which your vessel’s center of gravity (G) may rise and still permit the vessel to have positive stability is called the().

A.metacentric point
B.metacenter
C.metacentric radius
D.tipping center

5.單項(xiàng)選擇題The magnitude of a moment is the product of the force and().

A.time
B.lever arm
C.displacement
D.angle of inclination