A.No fog signal
B.A prolonged blast at intervals never to exceed more than two minutes
C.A prolonged blast followed by two short blasts at intervals never to exceed more than two minutes
D.A prolonged blast followed by three short blasts at intervals never to exceed more than one minute
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A.hold course and sound a two blast whistle signal
B.hold course and sound no whistle signal
C.change course to the right and sound one blast
D.hold course and sound two prolonged and two short blasts
A.Cross ahead of the stand-on vessel
B.Make a large course change to starboard
C.Slow your vessel
D.Back your vessel
A.The vessel which has the other on her own starboard side
B.The vessel which has the other on her own port side
C.The one which hears the other's fog signal first
D.Neither vessel is the stand-on vessel
A.A vessel transferring provisions while underway
B.A pushing vessel and a vessel being pushed when connected in a composite unit
C.A vessel servicing a navigation mark
D.A vessel launching aircraft
A.A vessel picking up a navigation mark
B.A vessel transferring cargo while underway
C.A vessel whose anchor is fouled
D.A vessel in a towing operation that restricts the ability of the vessel and her tow to change their course
最新試題
When two vessels are in sight of one another and NOT in or near an area of restricted visibility，any of the following signals may be given EXCEPT（）.
Which statement correctly applies to a situation where a sailing vessel is overtaking a power-driven vessel（）.
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（）.
Under what condition are you allowed to depart from the rules of the road（）.
When a vessel is in any doubt as to whether such a situation exists she shall（）that it does exist and act accordingly.
Which statement is TRUE，according to the Rules（）.
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（）.
When underway in a channel，you should if safe and practicable（）.
You see a vessel displaying three lights in a vertical line.The highest and lowest lights are red and the middle light is white.She is also showing a white light at the stern，which is lower than the forward light.It could be a（）.