GMDSS英语【二三副】

考试试题

[单选题]Before_____a station shall take precautions to ensure that its emission will not interfere with transmission already in progress.
[单选题]The ______ responsible for controlling a SAR operation shall also coordinate the distress traffic.
[单选题]The international NAVTEX service transmits MSI on 518KHz by means of NBDP telegraphy using _________
[单选题]___indicates that a ship is in distress and requires immediate assistance
[单选题]--B---will form the basis for distress alerting and safety calling.
[单选题]with the help of GMDSS ------- will rapidly altered to the distress incident
[单选题]NAVTEX transmission has a designed range of about _______nautical miles
[单选题]The vessel was drifting because she -------- the rudder
[单选题]Before____,a station shall take precautions to ensure that its emission will not interfere with transmission already in progress.
[单选题]IN the COSPAS—SART system distress signals are processed by-------and the resulting data are forwarded to -----through ---communication network
[单选题]Every ship, while at sea, shall be capable____
[单选题]DSC distress acknowledgements are normally transmitted by ____in respond to a received DSC distress call.
[单选题]COSPAS-SARSAT has the function of ---------
[单选题]If a ship ____ in danger ,the distress signal will be sent out in the shortest possible time by means of the GMDSS equipment.
[单选题]The ARQ mode should be applied____-
[单选题]When calling a specific coast station or ship station by DSC, the ship station uses end of sequence signal”____________” , which means that a mandatory acknowledgement is required.
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