单项选择题

A flooded lifeboat on board a vessel would adversely affect the vessel’s stability by（）.

A.increasing the righting moment
B.decreasing the vessel's displacement
C.increasing the reserve buoyancy
D.shifting the CG（center of gravity）off center

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单项选择题

A crew member has just fallen overboard off your port side．Which action should you take （）.

A.immediately put the rudder over hard right
B.immediately put the rudder over hard left
C.immediately put the engines astern
D.wait until the stern is well clear of the man and then put the rudder over hard right

单项选择题

A certificated lifeboatman assigned to command the lifeboat should（）.

A.be the first individual to board the craft
B.drain the hydraulic pressure before lowering the craft
C.have a list of the persons assigned to the lifeboat
D.All of the above

单项选择题

（）outlines the Admiralty method of Harmonic tidal analysis for long and short observation periods plus a volume on datums for hydrographic surveys.

A.Ocean Passages for the World
B.Admiralty Tidal Stream Atlases
C.Admiralty Manual of Tides
D.Admiralty Tidal Handbooks