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
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A.The unit is working properly
B.The face mask is not sealed properly
C.The air bottle needs to be refilled
D.The air supply hose has a leak
A.opening the automatic drain plugs
B.draining the water pockets
C.using the electric bilge pump
D.using the bailers and cellulose sponge
A.distress position
B.spoken words Mayday，Mayday，Mayday
C.ship's name
D.ship's call letters
A.consists of 5 or more short blasts of the fog signal apparatus
B.may be used separately or with other distress signals
C.consists of the raising and lowering of a large white flag
D.is used to indicate doubt about another vessel's intentions
A.the captain of a vessel in distress
B.representative of ship owners
C.an officer from port authorities
D.the pilot of a vessel entering a port in foreign country
最新試題
If you hear the firing of a gun at one minute intervals from another vessel，this indicates that（）.
Distress signals may be（）.
If you are transmitting a distress message by radiotelephone you should（）.
When two vessels are in immediate danger of collision，the stand-on vessel must（）.
The service life of distress signals must be not more than（）.
By regulation，orange smoke distress signals will expire not more than how many months from the date of manufacture?（）
After putting on a self-contained breathing apparatus，you open the air supply and hear a continuous ringing of a bell. What does this mean?（）.
An orange flag showing a black circle and square is a（）.
All of the following are distress signals under the Rules 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（）.