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A vessel in distress should send by radio telephone the two tone alarm signal followed immediately by the ______.
A.distress position
B.spoken words “Mayday, Mayday, Mayday”
C.ship’s name
D.ship’s call letters
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单选题When you are firing a pyrotechnic distress signal，it should be aimed at（）.A
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单选题If a GMDSS radio operator initiates a DSC distress transmission but does not insert a message，what happens? （）A
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单选题You are the first vessel to arrive at the scene of a distress. Due to the volume of traffic on the radio，you are unable to communicate with the vessel in distress. Which action should you take?（）A
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单选题When a vessel signals her distress by means of a gun or other explosive signal，the firing should be at intervals of approximately（）.A
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单选题If you are on the beach and are signaling to a small boat in distress that your present location is dangerous and they should land to the left，you would（）.A
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单选题Which is a distress signal? （）A
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单选题A vessel in distress should send by radio telephone the two tone alarm signal followed immediately by the（）.A
distress positionB
spoken words Mayday，Mayday，MaydayC
ship's nameD
ship's call letters
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privileged vessel and would sound two short blastsB
burdened vessel and would sound two prolonged blasts followed by two short blastsC
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privileged vessel and would sound no whistle signal
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单选题After a vessel transmits the original distress message，what signal should be sent to allow ships to take RDF bearings?（）A
SOS three timesB
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单选题A RADIO SIGNAL FROM A DISTRESSED VESSEL AUTOMATICALLY DIRECTED TO A RCC GIVING POSITION，IDENTIFICATION，COURSE AND SPEED OF THE VESSEL AS WELL AS THE NATURE OF DISTRESS is known as（）.A
Distress alertB
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单选题A person who sees someone fall overboard should（）.A
immediately jump in the water to assist the individualB
go to the bridge for the distress flaresC
run to the radio room to send an emergency messageD
call for help and keep the individual in sight
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单选题A person who observes an individual fall overboard from an OSV should（）.A
immediately jump into the water to assist the individualB
call for help and keep the individual in sightC
run to the radio room to send an emergency messageD
go to the control room for the distress flares
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单选题If you see someone fall overboard from a vessel，you should（）.A
immediately jump in the water to help the individualB
call for help and keep the individual in sightC
run to the radio room to send an emergency messageD
go to the control room for the distress flares
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单选题A vessel in distress should send by radio telephone the two tone alarm signal followed immediately by the（）.A
Distress positionB
Spoken words“Mayday，Mayday，Mayday”C
Ship's nameD
Ship's call letters
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单选题What does the DSC control unit do if the GMDSS radio operator fails to insert updated information when initiating a DSC distress alert?（）A
It will abort the transmission and set off an audible alarm that must be manually resetB
It will initiate the DSC distress alert but，as no information will be transmitted，rescue personnel will not be able to identify the vessel，its position or its situationC
It will initiate the DSC distress alert and default information will automatically be transmittedD
It will initiate the DSC distress alert，but any station receiving it will have to establish contact with the distressed vessel to determine its identity，position and situation
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