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Which device provides the main means in the GMDSS for locating ships in distress or their survival craft().
A . Radio direction finder
B . Satellite EPIRBs
C . MF/HF DSC
D . VHF homing device
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The signal to guide vessels in distress,which indicates,“This is the best place to land” is the().
A . horizontal motion of a white flag
B . letter K in Morse code given by light
C . code flag S as a hoist
D . firing of a white star signal
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In case a ship is in emergency or distress in any of 4 areas, it is required to use the continuous()alert.
A . MF/HF
B . SART
C . EPIRB
D . any of A, B, C
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How long must GMDSS Radio Logs be retained by the licensee when they relate to a distress situation or disaster? ()
A . 6 months
B . 1 year
C . 2 years
D . 3 year
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Which statement concerning locating signals in the GMDSS is FALSE().
A . Locating signals are transmitted by survival craft VHF transceivers
B . Locating signals are transmitted by SARTs
C . Locating signals are intended to facilitate the finding of a distressed vessel or its survivors
D . Locating signals are not transmitted by autoalarm generator
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With the help of GMDSS()can be alerted to a distress incident as soon as possible.
A . all ships in a large sea area
B . only the sea authorities ashore
C . the SAR units ashore and at sea
D . the port radios and the coast statio
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What is the action that a GMDSS Radio Operator should take when a DSC distress alert is received? ()
A . No action is necessary,as the DSC control unit will automatically switch to the NBDP follow-on communications frequency
B . The operator should immediately set continuous watch on the radiotelephone frequency that is associated with the frequency band on which the distress alert was received
C . The Operator should immediately set continuous watch on VHF channel 70
D . The Operator should immediately set continuous watch on the NBDP frequency that is associated with the frequency band on which the distress alert was received
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Distress traffic is the communication()between the station in distress and the ships, aircraft, coast radio stations, coast earth stations and rescue centers participating in the rescue work.
A . exchange
B . to exchange
C . exchanging
D . exchanged
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The()is that search and rescue authorities ashore, as well as shipping in the immediate vicinity of the ship in distress, will be rapidly alerted to a distress incident so they can assist in a coordinated SAR operation with the minimun delay.
A . common communication system
B . distress traffic system
C . basic concept of GMDSS
D . SAR operation procedure
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According to the basic concept of GMDSS,()can be rapidly alerted to a distress incident.
A . only SAR authorities on land
B . all ships in a very large sea area
C . the nearest coast stations and port radios
D . the SAR authorities ashore as well as ships in the vicinity of the casualty
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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 letter
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If no distress acknowledgement is received()a DSC distress call transmission, then the ship in distress may repeat the DSC distress call attempt after a delay of between 3.5 and 4.5 minutes from the beginning of the initial call.
A . relevant to
B . relate to
C . in response to
D . in relation to
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Distress signal are always stored in the memory so as to start().
A . local-mode coverage
B . SAR operations
C . data process
D . continuous broadcast
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When receiving a distress alert, the SAR authorities ashore and the ships in the vicinity of the ship in distress will()soonest.
A . reach the distress area
B . conduct a sector search
C . send rescue vessels
D . assist coordinately in SAR operatio
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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 reset
B . 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 situation
C . It will initiate the DSC distress alert and default information will automatically be transmitted
D . 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 situatio
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()is the most visible signal of distress from a lifeboat at sea in the daytime.
A . Smoke signal
B . Flash signal
C . Fire signal
D . Radio emergency transmissio
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()the visibility to reduce to one mile by heavy rain,it()be impossible to rescue the vessel in distress.
A . Was/would
B . Were/would
C . Is/will
D . Is/is to
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The distress alert should()the ship in distress.
A . identity
B . identical
C . identify
D . identificatio
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All the following equipment can be used to identify the position of the vessel in distress except().
A、AIS
B、LRIT
C、VDR
D、GPS
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185. In radiotelephony,the spoken word for distress is ______.
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37. All the following equipment can be used to identify the position of the vessel in distress except ______.
A、 AIS
B、 LRIT
C、 VDR
D、 GPS
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The ______is that search and recuse authorities ashore ,as well as shipping in the immediate vicinity of the ship in distress ,will be rapidly alerted to a distress incident so they can assist in a co
A.common communication system
B.distress traffic system
C.basic concept of GMDSS
D.SAR operation procedure