A.Between sunset and sunrise
B.Only between 8 AM and 4 PM
C.During daylight hours in any visibility
D.During daylight hours in unrestricted visibility only
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A.red lights
B.red lights and two white lights
C.red lights with a white light in between
D.white lights with a red light in between
A.will be coming to periscope depth
B.will be coming to the surface
C.is on the bottom in distress
D.is in distress and will try to surface
A.need not show the lights for a vessel engaged in towing，if it is impractical to do so
B.may show the lights for a vessel not under command
C.must show a yellow light above the stern light
D.must show the lights for a vessel towing
A.fishing
B.in distress
C.at anchor
D.not under command
A.engaged in piloting
B.towing astern
C.engaged in fishing
D.in distress
最新試題
Which one of the following rules is not regarding two power-driven vessels meeting end or nearly end on so as to involve risk of collision（）.
Which vessel is the stand-on vessel when two vessels crossing in fog are NOT in sight of one another（）.
When you doubt the existence of risk of collision,（）.
You hear the fog signal of another vessel forward of your beam.Risk of collision may exist.You MUST（）.
You are Master of a towing vessel engaged in towing three barges astern.The middle barge of the tow would be required to sound which of the following during restricted visibility （）.
You are aboard the give-way vessel in a crossing situation．What should you NOT do in obeying the Rules（）.
When one upbound vessel is overtaking another vessel and both are pushing a tow ahead，what reaction may you expect（）.
Which statement is TRUE，according to the Rules（）.
Underway at night，a vessel displaying the lights shown is（）.
Which statement correctly applies to a situation where a sailing vessel is overtaking a power-driven vessel（）.