A vessel engaged in diving operations
A pilot vessel
A vessel trawling
All of the above
第1题:
A vessel displaying three red lights in a vertical line is ______.
A.restricted in her ability to maneuver
B.not under command
C.engaged in mineclearing operations
D.constrained by her draft
第2题:
A vessel is carrying three lights in a vertical line. The highest and lowest of these are red and the middle light is white. Which statement is always TRUE?
A.During the day,she would display three balls in a vertical line
B.If making way,she would show masthead lights at night
C.If at anchor,she need not show anchor lights while displaying identifying lights
D.Her fog signal would consist of a rapid ringing of a bell for five seconds every minute
第3题:
Which vessel may show three lights in a vertical line,the top and bottom being red and the middle being white?
A.A vessel engaged in diving operations
B.A pilot vessel
C.A vessel trawling
D.All of the above
第4题:
By day,she shall carry a black cylinder shape
By day,she shall carry two black balls in a vertical line
By night,she would show the same lights as a vessel not under command
By day,she would show the same shapes as a vessel restricted in her ability to maneuver
第5题:
A vessel servicing a pipeline during the day shall display ______.
A.three black shapes in a vertical line; the highest and lowest are balls,and the middle one is a diamond
B.three shapes in a vertical line; the highest and lowest are red balls,and the middle one is a white diamond
C.three black balls in a vertical line
D.two black balls in a vertical line
第6题:
A vessel engaged in fishing,and at anchor,shall show ______.
A.an anchor light
B.sidelights and a stern light
C.three lights in a vertical line,the highest and lowest being red,and the middle being white
D.None of the above
第7题:
A vessel not under command making way at night would show ______.
A.two all-round red lights in a vertical line
B.anchor lights and sidelights
C.two all-round white lights in a vertical line,sidelights and a stern light
D.two all-round red lights in a vertical line,sidelights,and a stern light
第8题:
A partly submerged vessel or object being towed,which is not readily noticeable,shall show ______.
A.yellow lights at each end
B.two red lights in a vertical line
C.a black ball
D.a diamond shape
第9题:
A vessel towing a barge astern would show,at the stern ______.
A.only a stern light
B.a towing light above the stern light
C.two towing lights in a vertical line
D.two white lights in a vertical line
第10题:
a red light over a white light
a white light over a red light
a green light over a white light
two red lights in a vertical line