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 trawling will show identification lights of（）.
A vessel continually lists to one side and has a normal rolling period. Which statement is TRUE?（）.
If the circumstances admit，（）of small alteration of course and speed shall not be taken to avoid collision.
If a vessel is engaged in fishing according to the definitions in the Rules，it will have （）.
A vessel conducting mine clearing operations will show（）.
A vessel crossing a river on the Western Rivers has the right of way over（）.
One of the factors which affects the circulation of ocean currents is（）.
A vessel constrained by her draught may，in addition to the lights prescribed for power-driven vessels in Rule 23，exhibit where they can best be seen（）or a cylinder.
The Rules state that vessels may depart from the Rules when（）.
A vessel（）when underway shall so far as possible，keep out of the way of a vessel not under command.