GMD新题解析.docx
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GMD新题解析.docx
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GMD新题解析
1.Whichdefinition'smeaningisthe“Telephoneusingphasemodulation”.(C)
A.A1AB.G2BC.G3ED.G3B
常用:
A3E__双边带调幅电话(Telephonyusingamplitudemodulation:
doubleside)
F3E__调频电话(Telephonyusingfrequencymodulation)
H3E__单边带全载波电话(Telephonyusingamplitudemodulation:
singlesideband,fullcarrier)
J3E__单边带抑制载波电话(telephonyusingamplitudemodulation:
singlesideband,suppressedcarrier)
R3E__单边带减幅载波电话(Telephonyusingamplitudemodulation:
singlesideband,amplitudereductioncarrier)
F1B__调频电报(Frequencymodulationtelegraphywithautomaticreception,withoutusingamodulatingsubcarrier)
G2B__调相电报(phasemodulationtelegraphy(automaticreception))
J2B__调幅电报(telegraphyusingamplitudemodulation:
single:
sideband,suppressedcarrier)
*A1A__连续波莫尔斯电报(Continuouswavetelegraphy,Morsecode)(莫尔斯电报已不用)
517.IfMIDis232,whichofthefollowingMMSIsisusedtoidentifyindividualships.(B)
A.002322019B.232157000C.023201143D.157000232
518.IfMIDis232,whichofthefollowingMMSIsisusedtoidentifygroupsofships.(C)
A.002322019B.232157000C.023201143D.157000232
509.IfMIDis232,whichofthefollowingMMSIsisusedtoidentifycoaststations.(A)
A.002322019B.232157000C.023201143D.157000232
2.ThefollowingnumberisINMARSAT-CSES’snumber,whichoneisChinesevessels?
(B)
A.421256545B.441212345C.415701234D.412412345
3.WhatkindsofshipsmaynotuseSOLASconvention?
(A)
A.Cargoshipslessthan300tonsB.Cargoshipsmorethan300tons
C.passengershipssailoninternationalserviceD.B&C
4.Thefrequency156.525MHzand156.8MHzshouldbeinthebandof.(A)
A.VHFB.HFC.MFD.MF/HF
5.ThebroadcastofMSIwillbemadeby.(D)
A.NAVTEXB.EGCC.HFNBDPD.A+B+C
6.WhatisthemainmeansintheGMDSSforlocatingshipindistressortheirsurvivalcraft?
(B)
A.NAVTEXB.SARTC.EGCD.A&B
7.TheradioequipmenttobecarriedonboardGMDSSshipdependsupon——.(C)
A.GrosstonsB.kindofshipC.seaareaD.A+B
8."______"shouldbeusedduringthepoorvisibilityiftheradar'sscreenshowsheavyseareturns.(C)
A.GaincontrolB.BrilliantcontrolC.Anti-cluttercontrolD.Sweep
9.Whichofthefo11owingindicatesthatastationtransmitsmessagesconcerningnavigationsafetybyradiotelephone?
(C)
A.MAYDAYB.PANPANC.SECURITED.SAFETY
10.Whichofthefo11owingindicatesagraveandimminentdanger,requestingimmediateassistanceontheradiotelephone?
(A)
A.MAYDAYB.PANPANC.SECURITED.SAFETY
11.Ifwepasstheexam,itmaybepossibleforustoobtain_____.(C)
A.FirstClassRadioElectronicCertificateB.SecondClassRadioElectronicCertificate
C.GeneralOperator’sCertificateD.RestrictedOperator’sCertificate
12..WhichofthefollowingfunctionisnotfulfilledbyInmarsat-C?
(D)
A.TELEXB.EGCC.FAXD.PHONE
13.TheEGCserviceiscomposedof_____.(D)
A.SAFETYNETB.FLEETNETC.DATAREPORTC.A&B
14.WhichofthefollowingareincludedinmandatoryservicesofInmarsat-C?
(D)
A.F1eetNETB.NBDPC.DSCD.SafetyNET
15.WhichofthefollowingisnotincludedinTerrestrialcommunications?
(C)
A.SSBB.NBDPC.EGCD.MF/HF
16.A11distressmessagesshouldbeprecededby____·(A)
A.MAYDAYB.PANPANC.SECURITED.SAFETY
17.Whichofthefollowingstatementsaboutthechargesforsafetynetservicesiscorrect:
(A)
A.thereisnochargestothemarinerforreceiptofSafetynetmessages.
B.Safetynetmessagesarechargedbyconnectiontime.
C.SafetynetmessagesarechargedbyMbitstransmitted.
D.BorC.
18.Amongfleet77/55/33systems,whichofthefollowingstatementsaboutDistresscalliscorrect?
(A)
A.Distresscallisonlyavailableonfleet77systems.
B.Distresscallisonlyavailableonfleet55systems.
C.Distresscallisonlyavailableonfleet77/55/33systems.
D.bothAandB.
19.ThedifferencebetweenthemobileISDNandMPDSisthat:
(A)
A.ThemobileISDNischargedbyconnectiontimeandMPDSischargedbyMbitstransferred
B.ThemobileISDNischargedbyMbitstransferredandMPDSischargedbyconnectiontime
C.ThereisnodifferencebetweenthemobileISDNandMPDS
D.ThecommunicationfeeofthemobileISDNisinexpensivethanthatofMPDS
20.WhichofthefollowingIMNisusedforINMARSAT-FMESvoiceservice?
(A)
A.76XXXXXXXB.60XXXXXXXC.3412XXXXXD.66XXXXXXX
关于IMN:
1.GMDSS设备:
A站__7位数,以1开头;B站__9位数,以3开头;C站__9位数,以4开头;mini-C站__9位数,以4开头;FleetF77__9位数,以76(语音)/60(数据)开头。
2.非GMDSS设备:
M站__9位数,以6开头;mini-M站__9位数,以76开头;F33/F55__9位数,以76(语音)/60(数据)开头。
21.WhichtypeofthefollowingservicesisexcludedfromINMARSAT-Fservices?
(C)
A.telephoneB.highspeeddatatransmissionC.telexD.E-mail
22.ThePINbecomesblockedifthePINcodeisenteredincorrectlyseveraltimeswhenoperatingcapsatF77SES.Themaximumofinputis:
____.(B)
A.4B.5C.6D.7
23.WhichofthefollowingstatementsaboutISDNandMPDSiscorrect?
(B)
A.ISDNandMPDSisonlyavailableonfleet55systemswhenthevesselispositionedinsideanareawithspotbeamcoverage.
B.Onfleet77systemsISDNandMPDSareavailableinglobebeam.
C.Onfleet77andfleet55systemsISDNandMPDSareavailableinglobebeam.
D.bothBandC.
24.WhichofthefollowingIDnumberisusedforBEIJINGLEStelephoneaccesscodeinAOR-E?
(B)
A.118B.868C.311D.211
25.ThefrequencyofVHFCH16(unit:
MHz)is_____.(A)
A.156.8B.156.525C.156.560D156.3
26.WhichterminalequipmentofshipisforCOSPAS-SARSATTsystem?
(A)
A.EPIRBB.INMARSAT-CC.SARTD.EGC
27.AN“areacall”isusuallyappliedto_____.(D)
A.VHFB.INMARSAT-CC.SARTD.EGC
28.WhatisthetelexnumberofIORinINMARSAT?
(B)
A.582B.583C.872D.873
29.Whichofthefollowingdescriptionsofusageissuitablefor3023KHzfrequency?
(D)
A.MSIB.RTC.NBDPD.AERO-SAR
30.WhichofthefollowingisnotaDSCcallingcontent?
(D)
A.ACKBQB.ACKRQC.EOSD.ARQ
31.COSPAS-SARSATisintendedtobeusedfor____.(A)
A.DistressalarmandlocatingB.Dailycommunications
C.SendmessagesD.E-mail
32.Whichofthefo11owingfrequenciesisNOTusedforGMDSS?
(A)
A.2182.5kHzB.8414.5kHzC.16840.5kHzD.156.8kHz
33.TheVHFCH70couldbeusedtosend___.(D)
A.DistressCallB.A11DSCCallC.SafetyCallD.A+B+C
34.WhatkindoftransmissionmodewillbeusedinSSBvoicecommunication?
(D)
A.A1AB.G2BC.F1BD.J3E
36.TheVHFCHl6iscalled______.(D)
A.RoutineChannelB.SafetyChannelC.UrgencyChannelD.DistressandSafetyChannel
37.TheseaareaA3willbewithinthecoverageof___.(C)
A.MFCoastStationB.VHFCoastStationC.INMARSATSatelliteD.COSPAS/SARSAT
38.Whichofthefo11owingfrequenciesisinternationaldistressandsafetyfrequencyonMFforradiotelephony?
(A)
A.2182kHzB.2187.5kHzC.2177kHzD.2414.5kHz
39.HowmanyfrequenciesdesignatedforDSCinternationaldistressandsafetyFrequenciesonHFbandare___?
(B)
A.4B.5C.6D.7
40.Urgencymessageshouldbeprecededby___.(A)
A.PANPANB.MAYDAYC.SECURITED.SOS
41.Terrestrialtrafficsystemhasthefo11owingequipmentexcept—————·(D)
A.DSCB.NBDPC.VHFTELD.PLB
42.Whichofthefo11owingequipmentisnotbelongtoGMDSSequipments?
(B)
A.EPIRBB.GPSC.DSCD.INMARSATF
43.Whichofthefo11owingequipmentcanDSCterminalequipmentconnectwith?
(B)
A.NBDPB.SSBC.ELTD.EGC
44.TheVHFCH70couldbeusedtosend___.(D)
A.DistressCallB.UrgentCallC.RoutineCallD.A11oftheabove
45.IneachNAVTEXmessagethereisatechnicalcode(B1B2B3B4).Whichcharacteristhestationidentification?
(A)
A.B1B.B2C.B3D.B4
46.Whichofthefo11owingdescriptionsofusageissuitablefor8414.5KHzfrequency?
(A)
A.DistressalertingfrequencyonHFDSCB.DistresscommunicationfrequencyonHFDSC
C.DistressalertingfrequencyonMFDSCD.DistressalertingfrequencyonNBDP
47.DSCalertingdistressfrequencyforSeaAreaA2is___.(B)
A.2182kHzB.2187.5kHzC.2182.5kHzD.8414.5kHz
48.Thelowpo1arorbitingsatellitesystemprovidesthecoverageof___.(D)
A.A1B.A1+A2+A3C.A4D.A1+A2+A3+A4
49.Radiobeaconcanbeactivated___incaseofdistress.(C)
A。
automaticallyB.manuallyC.automatica11yormanuallyD.Nooneoftheabove
51.TheequipmentcarriagerequirementoftheShipsofwhichseaareacanbesummarizedas:
carryVHFequipmentandeitherasatelliteEPIRBoraVHFEPIRB?
(A)
A.A1B.A2C.A3D.A4
53.WhichservicedoesnotEGChave?
(D)
A.N/WB.MSIC.SafetyNETD.FAX
54.WhereisthegeostationaryorbitofINMARSATsituated?
(A)
A.equatororbitB.po1eorbitC.obliqueorbitD.A&B
55.WhichfrequencyisusedonlinefromCEStosatelliteintheINMARSATSYSTEM?
(B)
A.4GHzB.6GHzC.1.6GHzD.1.4GHz
56.COSPAS-SARSATcannotfulfi11thefunctionof____.(B)
A.DistressalertB.Dailycommunications
C.1ocatingD.A&B
57.WhenmustashipbefittedWithNAVTEXreceiver?
(B)
A.01FEB1992B.01AUG1993
C.01FEB1999D.01FEB1995
58.“CHANGEDETDPILOTSTN”means___.(B)
A.ETDisnotchangedB.ETDhaschangedC.ETAhaschangedD.ETAisnotchanged
59.WhatisAAICoftrafficsysteminChina?
(C)
A.CN01B.CN02C.CN03D.CN04
60.Whichofthefo11owingdescriptionofusageissuitablefor2174.5kHzfrequency?
(A)
A.MFNBDPdistressandsafetytrafficfrequency.
B.MFTELEPHONEdistressandsafetytrafficfrequency.
C.MFDSCdistressandsafetycallfrequency,
D.HFNBDPdistressandsafetytrafficfrequency,
61.IntheCOSPAS-SARSATsystem,theEPIRB’spositioncanbedeterminedby:
___.(A)
A.DopplermethodB.GPSC.beingenteredmanuallyD.noneoftheabove
62.IntheDSCsystem,ifthecallerisindistress,whichoneisnotincludedinthemessage?
(B)
A.theMMSIoftheshipB.thecallsignoftheship
C.thepositionoftheshipD.thenatureofdistress
63.InGMDSS,whichsystemcanbroad
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