單項選擇題A sweep oar is an oar that is（）.

A.generally shorter than the others and is used to steer with
B.is longer than the others and is used as the stroke oar
C.is raised in the bow of the boat for the steersman to steer by
D.longer than the others used for steering


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1.單項選擇題A person who sees someone fall overboard should（）.

A.immediately jump in the water to assist the individual
B.go to the bridge for the distress flares
C.run to the radio room to send an emergency message
D.call for help and keep the individual in sight

2.單項選擇題A man aboard a vessel，signaling by raising and lowering his outstretched arms to each side，is indicating（）.

A.danger，stay away
B.all is clear，it is safe to pass
C.all is clear，it is safe to approach
D.a distress signal

3.單項選擇題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

4.單項選擇題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

5.單項選擇題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