A.Limited backing power of his vessel
B.Radar information about nearby vessels
C.The occupation of the other vessel，if known
D.All of the above
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A.to be underway
B.on under way condition
C.to stop engine
D.in being under way
A.the state of visibility
B.the power of the vessel
C.the traffic density
D.the maneuverability of the vessel
A.the presence of the background light at night
B.the state of wind，sea and current
C.the number of crew on board
D.the draught in relation to the available depth of water
A.the characteristics，efficiency and limitation of the radar equipment
B.any constraints imposed by the radar range scale in use
C.the effect on radar detection of the sea state，weather and other sources of interference
D.the safe working load of the cranes both on board and ashore
A.exist
B.exists
C.existing
D.to be existed
最新試題
A vessel engaged in fishing during the day would show（）.
Vessels，（）support vessels，should not enter the safety zone of a deepwater port unless clearance has been obtained from the Vessel Traffic Supervisor.
If a vessel is engaged in fishing according to the definitions in the Rules，it will have （）.
A proper look-out shall be maintained（）.
In complying with the Rules，of what must the mariner take due regard?（）.
A vessel continually lists to one side and has a normal rolling period. Which statement is TRUE?（）.
A vessel being towed astern shall show at night（）.
A vessel aground at night is required to show two red lights in a vertical line as well as （）.
A vessel may exhibit lights other than those prescribed by the Rules as long as the additional lights（）.
A vessel engaged in mine clearance operations is called（）.