注：不含主觀題第1題單選題(5分)Thereturnfactoris:().ATheratioofthereleasevaluetotheoperatingvalueBTheratioofthepick-upvaluetothereleasevalueCTheratioofthechargevaluetothereleasevalueDTheratiooftheratingtotheoperatingvalue第2題單選題(5分)Thecontactformofthecontact,therearethreekindsofsurfacecontact,linecontactandpointcontact,andtheadvantagesoflinecontactare:().AThecontactsurfaceisthelargest,andthecontactresistanceshouldbethesmallestBThepressureisrelativelyconcentrated,intheprocessofcontactclosureanddisconnection,thesurfaceofthelinearcontactcanslidealongtheothercontactsurface,andthesurfaceoxidelayeranddustwillautomaticallyfalloff,whichplaysanautomaticpurificationroleandreducesthecontactresistanceCThecontactresistanceislarge,theheatdissipationareaissmall,andthetemperatureiseasytoriseDThepressureismostconcentratedandthecontactresistanceisthemoststable第3題單選題(5分)WhenbuttonAispressed,AJispoweredontopickup,whenthebuttonisreleased,thebuttonisautomaticallyrestored,atthistime,althoughthebuttoncontacthasbeendisconnected,butthefrontcontactofAJitselfhasformedthepowersupplyloopoftheAJcoil,soAJItremainsintheclosedstate,andrealizesthememory()effectofthebuttonpressed.Whenthememorytaskiscompleted,relyingonthesuctionoftherecoveryrelayFUJ,therearcontactisdisconnectedtocutoffthepowersupplycircuitoftheAJcoil,sothattheAJfallsandreturnstoitsoriginalstate.()ASequentialcircuitBRectifiercircuitCMemorycircuitsDSelf-closingcircuit第4題單選題(5分)Thecauseofsparksorarcsbetweenthecontactsiswhatcomponentsexistinthecircuit.()AResistanceBCapacitanceCInductanceDPowersupply第5題單選題(5分)Whatkindofrelayhastheelectricalparameters-reverseworkingvalue.()ANon-polarizedRelayBPolarizedRelayCPolarBiasedRelayDRectificationRelay第6題多選題(5分)Whichofthefollowingmethodscanachieverelayfastsuction.()AIncreasetherelayterminalvoltageinthecasethattherelaycoilallowsoverload.BRCparallelcircuitinserieswithrelaycoilmakestherelayquicklysuck.CPutacoppersleeve(copperring)ontheironcore.DIncreasethewirediameterofthecoilwire.正確答案：ABD第7題多選題(5分)Inordertoensurethattherelaycanworkreliablyinvariousautomaticcontrolequipment,itisnecessarytohavecertainrequirementsforthecontactsystem,andselectthefollowingcorrectoption().AWhenthecontactisclosed,thecontactisreliable,andthecontactresistanceissmallandstable.BThecontactdoesnotflutterduringclosureanddisconnection.CWhenthecontactisdisconnected,itshouldbereliablyseparated,andtheresistancebetweenthecontactsisinfinite,thatis,thereisacertaingap.DHighthermalconductivityandelectricalconductivity.正確答案：ABCD第8題多選題(5分)Themethodsforeliminatingthearcoftherelaycontactare:().AUsereinforcedcontacts.BUseanexternalcircuit.CLimitthepowerofthecircuit.DIncreasethedistancebetweencontacts.正確答案：CD第9題多選題(5分)Accordingtothefail-safetyprinciple,thefallingstateoftherelaymustbeconsistentwiththesafetysideoftheequipment.Thefollowingsatisfyingthefail-safetyprincipleare:().AThepull-upofthesignalrelayshouldbeconsistentwiththesignalshutdownBThefallofthetrackrelayshouldbeconsistentwiththeoccupationofthetrackcircuitCThefallofthesignalrelayshouldbeconsistentwiththesignalshutdownDThesuctionofthetrackrelayshouldbeconsistentwiththeoccupationofthetrackcircuit正確答案：BC第10題多選題(5分)Theanalysismethodsofrelaycircuitsare:().AActionProcedureLawBTimeplottingCConnectingpathmethodDIndependentpowersupplymethod正確答案：ABC第11題判斷題(5分)Relayisakindofcontrolparameterwhenitchanges,whichcancausesuddenchangesinthecontrolledparametersandelectricalcomponents.Ithastheabilitytocontrolobjectswithaverysmallelectricalsignalintheexecutioncircuitwithconsiderablepower,andcancontrolseveralobjectsorseveralcircuitstocompletethecomplexlogicalrelationshiprequirementsthataredifficulttoachievemanually.()第12題判斷題(5分)Addastopbetweenthearmatureandthemagneticpole,forAXtyperelay,addapieceofsteelstop(referredtoasstoppiece)toincreasethemagneticresistanceofthemagneticcircuitinthesuctionstateoftherelay,reducetheresidualmagneticinfluenceandimprovethereleasevalue,andensurethereliablereleaseoftherelay.()第13題判斷題(5分)Thestructureofthepolarizedrelayisbasicallythesameasthestructureofthenon-polarizedrelay,buttherearespecialpartsinthemagneticcircuitsystem,thatis,thecorepoleshoeissquare,thearmatureissquare,andthelowerendofthesquarepoleshoeisequippedwithanO-typepermanentmagnet.()第14題判斷題(5分)Thereisapolarizedrelay,whichhasthefunctionofreflectingthepolarityoftheexternalsignal.()第15題判斷題(5分)Thestatepresentedbythecircuitdiagramrelayiscalledthenormalstate(referredtoasthenormalstate),orthepositioningstate.()第16題判斷題(5分)Thecoilsymbolofarelayanditscontactsymbolcannotbedrawnindifferentpositionsofthecircuitdiagram,norcanitbedrawnondifferentdrawings.()第17題判斷題(5分)Seriescircuitreferstothecircuitconnectedinseriesoftherelaycontact,anditsfunctionistorealizetheoperationoflogic"and".()第18題判斷題(5分)Manyofthereinforcedcontactsoftherelaystipulatethepositiveandnegativepolaritybecausetheyareequippedwithmagneticarcblowingdevices,whichrequirethedirectionofthecurrentthroughthecontacts,inlinewiththeprincipleofmakingthearcbetweenthecontactsblowoutward.()第19題判斷題(5分)Thesparkorarcgeneratedatthemomentofcontactdisconnectionbelongstothereleaseofenergy,andtheenergyofthesparkisgreaterthantheenergyofthearc.()第20題判斷題(5分)Thismethodthattheupperissolid,thelowerisdotted,andcometofindthefrontcaneffectivelyjudgetherelaycoilterminal.()信號(hào)機(jī)認(rèn)知與維護(hù)作業(yè)AssessmentforSignallingMachinesandTheirMaintenance第1題判斷題(5分)Signalsrequiringstopping,generallycalled"prohibitionsignals"or"stopsignals";Signalsthatrequireattentionorslowdownandsignalsthatallowoperationataspecifiedspeedarecalled"processingsignals"or"permittingsignals".()第2題判斷題(5分)Thebasiccolorofthevisualsignalanditsbasicmeaningare:red-stopping;Yellow–attentionorslowdownthespeed;Green–runsattopspeed.()第3題判斷題(5分)Intheshuntingsignalmachinesignaldisplay,blueindicates"permittedshuntingsignal",whilethewhitemoonindicates"noshuntingsignal".()第4題判斷題(5分)Therailwaysignaldisplaysystemcanusuallybedividedintotwocategories:approachtypeandspeeddifferencetype.Theapproachsignaldisplaysystemexpressesthemeaningoftheapproach;Thespeeddifferencesignaldisplaysystemexpressesthemeaningofspeed.()第5題判斷題(5分)Thecolorlampsignalmachineisequippedwithasemi-cylindricalvisor,anditsroleistousealongcylindricalshadetoavoidtheinfluenceofdirectlight.()第6題判斷題(5分)Atpresent,the"SubwayDesignCode"doesnotmakeuniformprovisionsonsignaldisplay.()第7題判斷題(5分)Shuntingsignalmachine,othersignalmachines,whenthefirstroundofthetraincrossesthesignalmachinewillautomaticallyshutdownintime.()第8題判斷題(5分)Thenormalpositionofthepitstationsignalmachineandtheoutboundsignalmachineisaredlight.()第9題判斷題(5分)Fivedisplaysignalmachinemeansthatthesignalmachinehasfivelightpositions,andthecolorsaredifferent.()第10題判斷題(5分)Whenthelightsofthepitstation,exit,approachandpassingsignalmachineareturnedoff,displayedindistinctlyorincorrectly,itisregardedasastopsignal.()第11題單選題(5分)Colorlightsignalmachinesareequippedwithblackovalbackplatesfor().AThebrightnessofthesignallightsmakesiteasierforlocomotivedriverstoidentifyBBlockoutthesunCShelterfromtherainDShelterfromthesun第12題單選題(5分)Thedistancetraveledbythetrainfromthebeginningofbrakingtothecompletestop,whichiscalled().ADirect

distanceBBrakingdistanceCParkingdistanceDDistancetraveled第13題單選題(5分)WhenthenumberofdiscLEDdiodedamageexceeds(),analarmconditionisgeneratedtosendanalarm.A20%B30%C40%D.50%第14題單選題(5分)ThemeaningexpressedbytheequipmenttypesymbolXDZinrailwaysignalsis:().ASignallightingunitBSignalfilamentconversionCSignallightingdeviceDSignalfilamentrectification第15題單選題(5分)ThebluelightintherailwaysignalisexpressedbytheHanyuPinyinsymbol().AUBBCLDA.第16題多選題(5分)Visualsignalisasignalrepresentedbycharacteristicssuchasobjectsorlights().AColor,shapeBLocationCGlitterDNumberordigitaldisplay正確答案：ABCD第17題多選題(5分)Lenticularcolorlampsignalmechanismsinclude()andsoon.AConvexlensesBLightholdersandlightbulbsCShadeeavesDBackplate正確答案：ABCD第18題多選題(5分)Thethreecommonlyusedcolorlampsignalmachinesare:().ALenticularcolorlightsignalmachineBCombinedcolorlightsignalmachineCLEDcolorlightsignalmachineDSearchlightcolorlightsignalmachine正確答案：ABC第19題多選題(5分)Thefunctionsofthemulti-functionintelligentlightingunitare:().ABrokenwirealarmBSurgeproofCBuckandstabilizationDMainwire,secondarywireswitching正確答案：ABCD第20題多選題(5分)Railwaystraightwiresignalbulb,TX-12-25asanexample,means:().AT(rail).BX(signal).C12(12v)D25(25w)正確答案：ABCD道岔轉(zhuǎn)轍設(shè)備認(rèn)知與維護(hù)作業(yè)DAssessmentforTurnoutSwitchingDevicesandTheirMaintenance第1題判斷題(5分)ZD6serieselectricswitchmachineisaDCswitchmachine,poweredbyDC110V,thedisadvantageisduetothepresenceofcommutatorandbrushes,easytodamage,highfailurerate.()第2題判斷題(5分)S700KelectricswitchmachineandZYJ7electro-hydraulicswitchmachinearebothACswitchmachines,becausethereisnocommutatorandbrushes,sothefailurerateislow,andthesingle-corecablecontroldistanceislong.()第3題判斷題(5分)ZD6electricswitchmachinestarterhasatrapezoidalgrooveonthestartingpiece,andtherewillalwaysbeasnap-actionclawoccupyingitaftertheturnoutislocked.()第4題判斷題(5分)ZD6electricswitchmachinemeansrodiscomposedoffrontrod,rearrodandtwoinspectionblocks,thetworodsarefixedtogetherbytighteningboltsandadjustingnuts.()第5題判斷題(5分)ThefrictionforceofthefrictioncouplingofZD6electricswitchmachineshouldbeadjustedappropriately,tootightwilllosethefrictioncouplingeffect,damagethemotorandparts;Tooloosecannotdrivetheswitchconversionnormally.()第6題判斷題(5分)TherockergearandmotorgearofS700Kelectricswitchmachineareatransmissionsystem,whichenablesmanualoperationoftheswitchmachinewiththeshaker.()第7題判斷題(5分)Ontheonehand,theballscrewturnstherotarymovementofthemotorintothelinearoperationoftheleadscrew;Ontheotherhand,itactsasabuffer.()第8題判斷題(5分)ThetopcoveroftheS700Kelectricswitchmachinetokeepthecouplingcanbeopenedatwillformaintenance.()第9題判斷題(5分)TheS700Kelectricswitchdetectionlevermoveswiththetiprailorcorerailchangeovertomonitorthestatusoftheswitchattheendposition.()第10題判斷題(5分)ThenormalejectionoftheS700Kelectricswitchlockingblockisusedtoblockthemovementoftheholdingcouplingoftheswitchmachineandrealizetheinternallockingoftheswitchmachine.()第11題單選題(5分)Forexample,whenthetrainisfacingthesharprail,ifthesharprailispoorlyadheredto,thatis,thegapexceedsacertainlimit(),thewheeledgeofthecarmaycollideorsqueezeintothetipofthesharprailfromthegapandcauseaseriousdrivingaccidentofsubversionorderailment.AGreaterthan4mmBGreaterthan8mmCGreaterthan10mmDGreaterthan20mm第12題單選題(5分)Whentheturnoutispositionedorreversed,andthesharprailisclosetothebasicrail,thearcofthelockinggearoftheZD6electricswitchmachinecoincideswiththearcsurfaceofthesharpenedtoothof(),soastorealizethelockinginthemachine.ALockblockBSnapactionCRackblockDStarterpiece第13題單選題(5分)The()functionofS700KelectricswitchmachineisthesameasthatofZD6electricswitchmachine.ASafetycontactholderBPlug-inmachineCStarterpieceDSwitchcircuitcontroller第14題單選題(5分)ThereliefvalveofZYJ7electro-hydraulicswitchmachineandthe()functionofZD6electricswitchmachinearesimilar.AStarterpieceBFrictioncouplingCSnapactionDReducer第15題單選題(5分)Thein-machinelockingmethodofZDJ9electricswitchmachineisthesameas().AZD6electricswitchmachineBZYJ7electro-hydraulicswitchmachineCS700KelectricswitchmachineDZKelectricswitchmachine第16題多選題(5分)Turnoutsthemselvesarenotinthedirectionofdirectionanddirection.Thisisonlybasedonthedirectioninwhichthetrainistraveling.Whenthetrainisrunningagainstthesharptrackoftheturnout,theswitchiscalled().Conversely,whenthetrainrunsalongthesharptrackoftheturnout,itiscalled().()AForwardturnoutBReverseturnoutCOpposingturnoutsDFollowtheturnout正確答案：CD第17題多選題(5分)Theroleoftheswitchmachineis:().AConvertthepositionoftheturnout,asneededtopositionorreverseposition;BAftertheturnoutisturnedtothedesiredpositionandclosetoit,itislockedtopreventexternalforcefromconvertingtheturnout;CCorrectlyreflecttheactualpositionoftheturnout,andthesharprailoftheturnoutiscloselyattachedtothebasicrail,givingacorrespondingrepresentation;DWhentheturnoutissqueezedorforsomereasonitisinthe"fouropen"(bothsharprailsarenotclose)position,timelyalarmandindication.正確答案：ABCD第18題多選題(5分)Everytimetheelectricswitchmachineisconverted,theZD6electricswitchmachinelocksthegearandpinionblocktocompletethefollowingthreeprocesses.()AUnlockingBSwitchingCLockingDTransmission正確答案：ABC第19題多選題(5分)ZD6electricswitchmachineextrusiondeviceincludes()and(),usedforsqueezeforkprotection,andgivethesqueezeforkindication.()ADissectiblepinBCheckthecolumnCRepresentsarodDDisplacementcontactor正確答案：AD第20題多選題(5分)Thefrictionforceofthefrictioncouplingmustbeadjustabletoachieve:().AMaketheturnoutundernormalworkingconditions,themotorcandrivetheswitchmachinetowork.BToenabletheturnouttooperatenormally,themotorcanadjustthespeed.CWhentheswitchisfinishedortheswitchrailisblocked,themotorcanovercomethepressureofthefrictioncouplingandidletoensurethatthemotorisnotburned.DWhentheswitchisconvertedorthesharprailisblocked,themotorautomaticallystops.正確答案：AC軌道電路認(rèn)知與維護(hù)作AssessmentforTrackCircuitsandTheirMaintenance第1題判斷題(5分)Thetrackcircuitisacircuitcomposedofaconductorusingtherailofarailwayline,whichisusedtoautomaticallyandcontinuouslydetectwhetherthissectionofthelineisoccupiedbyrollingstock,andisalsousedtocontrolthesignaldeviceorswitchdevicetoensurethesafetyofthetrain.()第2題判斷題(5分)Therailinsulationisinstalledattheboundaryofthetrackcircuit,whichisinstalledtoseparateordividethetrackcircuit,andthelocationoftheboundaryisclear.()第3題判斷題(5分)Theraillinebetweenthetwoinsulatedjoints(thatis,betweenthepowertransmissionendandthereceivingend)iscalledthecontrolsectionofthetrackcircuit,thatis,thelengthofthetrackcircuit,andthelengthofvarioustypesoftrackcircuitsisthesame.()第4題判斷題(5分)Thefirstfunctionofthetrackcircuitistosupervisetheoccupationofthetrain,andthesecondfunctionofthetrackcircuitistotransmittraininformation.()第5題判斷題(5分)Theopen-circuittrackcircuitisusuallyopen-circuited,andtheclosed-circuittrackcircuitusuallyconstitutesaclosedloop.Theopen-circuittrackcircuitcomplieswiththeprincipleoffault-orientedsafety.()第6題判斷題(5分)Insulatedtrackcircuitsusemechanicalinsulatedjoints,anduninsulatedtrackcircuitsuseelectricalinsulationjoints.()第7題判斷題(5分)The25/50Hzphase-sensitivetrackcircuitcanonlybeusedtodetectwhetherthetrackcircuitsectionisfree,andcanalsotransmitdrivinginformation.()第8題判斷題(5分)Theresonantnon-insulationmethodofthetrackcircuitistousecapacitorsandtheinductanceofapartoftherailtoformaresonantcircuitattheboundaryofthetrackcircuit,andtheadjacenttrackcircuitadoptssignalcurrentsofdifferentfrequenciestomakethetrackcircuitelectricallyisolated.()第9題判斷題(5分)Axlecountingequipment()usestracksensorsandcounterstorecordandcomparethenumberofaxesinandoutofthetracksectiontodeterminetheoccupationoridlenessofthetracksection.():.第10題判斷題(5分)Theaxlecountingequipment()cansupervisetheoccupationofthetrain,andalsohasthefunctionofbrokentrackdetection.()第11題單選題(5分)()isoneoftheprotectivemeasuresfortheinsulationdamageofthetrackcircuit.AInsulationprotectionBThickenedinsulationCPolarcrossingDInsulatinggaskets第12題單選題(5分)Thetrackcircuitoftheturnoutsectionisnamedaccordingtotheturnoutnumber,andifitcontainsthreegroupsofturnoutsNo.11,23and27,thesectionnameis:().A11-23-27DGB1127DGC11/27DGD11-27DG第13題單選題(5分)The50HZmicroelectronicphase-sensitivetrackcircuituses()insteadoftheACbinarybinaryrelayfrequencyandphaseselectioninthe50HZphase-sensitivetrackcircuit.AM