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
Aboard a survival craft，ether can be used to（）.
Lines drawn through points on the Earth having the same atmospheric pressure are known as （）.
The program of graphical predictions of height against time for a period of up to seven consecutive days is contained in（）.
Of the following，（）is not likely found in The Mariners Handbook.
A vessel in distress should send by radio telephone the two tone alarm signal followed immediately by the（）.
For details of these and other lights the larger scale charts and Admiralty Lists should be （）.
Mean high water is the average height of（）.
After launching，an inflatable raft should be kept dry inside by（）.
The daily predictions of the times and heights of high and low water for a selection of Standard Ports are given in（）.
An orange flag showing a black circle and square is a（）.