A.a vessel restricted in her ability to maneuver
B.a vessel not under command
C.a vessel constrained by her draught
D.a vessel not under way
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A.under sail
B.restricted in her ability to maneuver
C.crossing a channel
D.All of the above
A.white
B.green
C.red
D.yellow
A.one black ball
B.two cones with bases together
C.a cone，apex downward
D.two cones，apexes together
A.an anchor light
B.sidelights and a sternlight
C.three lights in a vertical line，the highest and lowest being red，and the middle being white
D.None of the above
A.vessels ascending the river
B.vessels descending the river
C.all vessels ascending and descending the river
D.None of the above
最新試題
In a crossing situation，a stand-on vessel which is forced to take action in order to avoid collision with a vessel on her own port side shall，if possible，avoid（）.
If a vessel is engaged in fishing according to the definitions in the Rules，it will have （）.
A head-on situation at night is one in which you see（）.
A proper look-out shall be maintained（）.
A vessel（）when underway shall so far as possible，keep out of the way of a vessel not under command.
A vessel being towed astern shall show at night（）.
If the circumstances of the case admit，any vessel（）in a narrow channel.
A vessel aground at night is required to show two red lights in a vertical line as well as （）.
A vessel engaged in mine clearance operations is called（）.
A vessel enagaged in fishing，and at anchor，shall show（）.