A.three all-round red lights
B.two 225°red lights
C.three all-round blue lights
D.two 225°blue lights
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A.shown below the sternlight
B.white in color
C.displayed at the masthead
D.a yellow light having the same characteristics as the stern light
A.shown at the bow
B.white in color
C.shown in addition to the sternlight
D.an all-round light
A.flashes at regular intervals of 50-70 flashes per minute
B.is yellow in color
C.shows an unbroken light over an arc of the horizon of not less than 180°nor more than 225°
D.All of the above
A.engaged on pilotage duty
B.in distress
C.at anchor
D.being overtaken in a narrow channel
A.a vessel meeting another head-on
B.a vessel overtaking another in a narrow channel
C.a vessel crossing the course of another
D.the give-way vessel in a crossing situation
最新試題
A vessel navigate in areas near the termination of traffic separation schemes shall do（）with particular caution.
A vessel constrained by her draft may display（）.
A traffic separation zone is that part of a traffic separation scheme which（）.
A vessel displaying three red lights in a vertical line is（）.
A vessel restricted in her ability to maneuver when engaged in an operation for the maintenance of safety of navigation in a traffic separation scheme is（）complying with this rule to the extent necessary to carry out the operation.
A vessel sounds one short blast. This signal indicates the vessel（）.
Systems of inbound and outbound lanes to promote the safe flow of vessel traffic in certain areas around the world are known as（）.
A facility used for the discharge of a cargo of a particular hazard，such as chlorine，butane or ethane，must have what to warn water traffic of an immediate danger during fire or cargo release?（）
A vessel not under command sounds the same fog signal as a vessel（）.
The traffic lane（）suspended.