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
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Which is NOT a distress signal? （）
Wat is NOT required in the radiotelephone log?（）
What is the fundamental purpose for imposing radio silence? （）
When sending a DSC call，the vessel’s（）.
If you are transmitting a distress message by radiotelephone you should（）.
Which condition represents the appropriate time for setting off distress flares and rockets? （）
If your vessel is underway in fog and you hear one prolonged and three short blasts，this indicates a（）.
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 distress message of a ship should include considerable information which might facilitate the rescue. This information should（）.
Which action should you take after sending a false distress alert on VHF?（）