A.Smoke signal
B.Flash signal
C.Fire signal
D.Radio emergency transmission
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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
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
最新試題
Whenever your marine radio is on，F(xiàn)CC Rules require you to monitor（）.
An airplane wants a vessel to change course and proceed towards a vessel in distress. The actions of the aircraft to convey this message will NOT include（）.
All of the following are distress signals under the Rules EXCEPT（）.
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（）.
All of the following are distress signals EXCEPT（）.
ALL PASSENGERS OF DECK NO.2 ARE REQUESTED TO FOLLOW THE CREW MEMBERS WHO WILL ESCORT YOU TO YOUR ASSEMBLY STATIONS. From this sentence you can concluded that the vessel is in（）.
If an airplane circles a vessel 3 times，crosses the vessel’s course close ahead while rocking the wings，and heads off in a certain direction，what does this indicate?（）
An orange flag showing a black circle and square is a（）.
The service life of distress signals must be not more than（）.
What is NOT a distress signal?（）