GMD新题解析.docx

GMD新题解析.docx

《GMD新题解析.docx》由会员分享，可在线阅读，更多相关《GMD新题解析.docx（35页珍藏版）》请在冰豆网上搜索。

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