A.start the engine in cold weather
B.aid in helping personnel breathe
C.prime the sprinkler system
D.prime the air supply
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A.Distress position
B.Spoken words“Mayday，Mayday，Mayday”
C.Ship's name
D.Ship's call letters
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
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
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
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
最新試題
A vessel in distress should send by radio telephone the two tone alarm signal followed immediately by the（）.
The light vessel is reported（）.
What is the use of the books of Admiralty List of Lights and Fog Signals? Their use is to （）.
Of the following，（）is not likely found in The Mariners Handbook.
A person who sees someone fall overboard should（）.
After being launched from a vessel，totally enclosed survival craft which have been afloat over a long period require（）.
For details of these and other lights the larger scale charts and Admiralty Lists should be （）.
After the boat is at the top of the davit heads，the davit arms begin moving up the tracks and are stopped by the（）.
Lines drawn through points on the Earth having the same atmospheric pressure are known as （）.
After being rescued from the vessel accident，the people agreed that they had much to（）.