A.Directing the beam of a searchlight at another vessel
B.A smoke signal giving off orange colored smoke
C.A whistle signal of one prolonged and three short blasts
D.International Code Signal PAN spoken over the radiotelephone
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A.Distress alert
B.Safety alert
C.Emergency alert
D.General alert
A.Safety signal
B.Urgency signal
C.Distress signal
D.Red alert signal
A.the vessel is in distress
B.the vessel has completed loading dangerous cargo
C.it is safe to pass
D.the vessel is anchored
A.the continuous sounding of any fog signal apparatus
B.giving five or more short and rapid blasts of the whistle
C.firing a gun at intervals of about a minute
D.a barrel with burning oil in it，on deck
A.a green star signal
B.orange-colored smoke
C.red flares
D.the repeated raising and lowering of outstretched arms
最新試題
After launching，an inflatable raft should be kept dry inside by（）.
The radiotelegraph alarm signal may be used to announce（）.
Whenever your marine radio is on，F(xiàn)CC Rules require you to monitor（）.
All of the following are distress signals under the Rules EXCEPT（）.
Acknowledgement by you of receipt of a distress message from a vessel which，beyond any possible doubt，is not in your vicinity and is a long distance away must be made when（）.
The color of rockets，shells，or rocket parachute flares used to indicate that the vessel is in distress and requires immediate assistance is（）.
AS SOON AS I HAVE FURTHER INFORMATION I WILL MAKE ANOTHER ANNOUNCEMENT. I ASK YOU KINDLY TO REMAIN CALM. THERE IS NO DANGER AT THIS TIME. These words are likely from（）.
On every vessel，distress signals must be stowed（）.
If you are transmitting a distress message by radiotelephone you should（）.
What is NOT a distress signal?（）