A.consists of 5 or more short blasts of the fog signal apparatus
B.consists of the raising and lowering of a large white flag
C.may be used individually or in conjunction with other distress signals
D.is used to indicate doubt about another vessel's intentions
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A.consists of 5 or more short blasts of the fog signal apparatus
B.consists of the raising and lowering of a large white flag
C.may be used separately or with other distress signals
D.is used to indicate doubt about another vessel's intentions
A.Abandon vessel
B.Adrift
C.Beach to
D.Assembly station
A.displaying a large red flag
B.displaying three black balls in a vertical line
C.sounding four or more short rapid blasts on the whistle
D.continuously sounding the fog whistle
最新試題
Which action should you take after sending a false distress alert on VHF?（）
When should distress flares and rockets be used? （）
What is meant by the term “radio silence”?（）
Which is NOT a distress signal? （）
When can routine communications be resumed on a frequency or channel on which radio silence has been imposed? （）
Distress signals may be（）.
The Navigation Rules state that a vessel shall be operated at a safe speed at all times so that she can be stopped within（）.
The service life of distress signals must be not more than（）.
If you log a distress message，it must include the（）.
When a vessel signals her distress by means of a gun or other explosive signal，the firing should be at intervals of approximately（）.