资源描述：
《电梯电气维修保养人员试题库判断题（elevator electrical maintenance personnel examination question bank judgment question）》由会员上传分享，免费在线阅读，更多相关内容在教育资源-天天文库。
电梯电气维修保养人员试题库判断题（Elevatorelectricalmaintenancepersonnelexaminationquestionbankjudgmentquestion）First,rightandleftquestions(pleasefillinthebracketsbeforethequestions)()1.DB11/418-2007standardistheelevatorroutinemaintenancerules.()2.DB11/419-2007standardis"safetycodeforelevatorinstallationandmaintenancework".()3.DB11/420-2007standardistherulesforselfinspectionofelevatorinstallationandreconstruction,majormaintenanceandmaintenance.(4.DB11/419)-2007standard"elevatorinstallationandmaintenanceworksafetystandards"requirementsmustbeheldbythecorrespondingproject"People'sRepublicofChinaspecialequipmentoperatingpersonnelcertificate"personneltocarryoutroutinemaintenance.()5.DB11/418-2007standard"elevatorroutinemaintenancerules"stipulatesthecontentsandrequirementsofdailymaintenanceinelevator.()6.DB11/419-2007standard"safetycodeforelevatorinstallationandmaintenancework"stipulatesthesafetyrequirementsofelevatorinstallationandmaintenancework.(7.DB11/420)-2007standard"elevatorinstallation, alteration,repairandmaintenanceofmajorselfrule"provisionsoftheelevatorinstallation,alteration,repairandmaintenanceofmajorselfmaintenanceandconditioninspectioninstruments,inspectionrequirements,processrequirements,recordsandsafetyrequirements.()the8.DB11/418-2007standard"dailymaintenancerulesofelevator"emphasizesthatthequalityguaranteeserviceofconstructionunitscannotreplacetheroutinemaintenanceofelevators.()the9.DB11/418-2007standardelevatorroutinemaintenancerulesarethehighestrequirementsforroutinemaintenanceofelevators.(10.)theconstructionunitcanmakehigherthanDB11/418-2007standard"lift"rulesforthedailymaintenanceofthedailymaintenanceofthestandard,butnotlessthan"lift"rulesforthedailymaintenanceofprojectcontentsandrequirements.()thestandardforroutinemaintenanceofthe11.DB11/418liftsthepensorsignaturepensforrecordingapplications.Nopencilorballpointpenshallbeused.()thestandardfortheroutinemaintenanceandmaintenanceofthe12.DB11/418regulationsstipulatesthattheunitsandtheconstructionunitsmaynotsigntheroutinemaintenancecontractaslongastheunitsagreetousethem.(13)thestandardforroutinemaintenanceofelevator.DB11/418stipulatesthattheroutinemaintenanceofelevatorsdoesnot allowsubcontractingandsubcontractinginanyform.()14.DB11/418"elevatorroutinemaintenancerules"standard,elevatorconstructionunitsshouldbeinaccordancewithstateregulationstoobtaintheappropriatequalifications.()15..DB11/418"elevatorroutinemaintenancerules"standard,theelevatorconstructionunitresponsiblefortheuseofunitsofelevatorsafetyisfullyresponsiblefor.(16.)theelevatorconstructionunitreferstotheunitsengagedinthemanufacture,installation,transformation,maintenanceandroutinemaintenanceoftheelevator.(two)17.DB11/419-2007standard"safetycodeforelevatorinstallationandmaintenancework";whenreplacingtractionsteelrope,itisforbiddentodismantlealltractionsteelropeatthesametime,anditshouldberemovedandreplacedinthreestages.()18.DB11/420-2007standard"rulesforselfinspectionofelevatorinstallationandreconstruction,majormaintenanceandmaintenance",whichstipulatestherecordofelevatorconstructionselfinspectionandcanbesignedbythenextguide.()provisionsof19.DB11/420-2007standard"elevatorinstallation,alteration,repairandmaintenanceofmajorselfrule",theexaminationinstrumentbelongstothecategoryoflegalmetrology,metrologicalverificationmustbequalified,andwithintheperiodofvalidity. ()20.DB11/420-2007standard,"elevatorinstallationandtransformation,majormaintenanceandmaintenanceselfinspectionrules"stipulatesthattheselfinspectionrecordsofelevatorconstructionunitsaredividedintoconstructionself-examinationrecordsandregularselfinspectionrecords.(21),heartdisease,hypertension,mentalillnessanddeafnessvertigo,limbsdisabled,cannotengageinelevatormaintenancework.(22)specialequipmentoperatorsfindhiddendangersorotherunsafefactorsduringtheoperation,Thesafetyofficerandtherelevantpersoninchargeoftheunitshallreportimmediatelytothescene.(23),boiler,pressurevessel,elevator,crane,passengerropeway,largerecreationfacilitiesoperatingpersonnelandmanagementpersonnelrelatedshall,inaccordancewiththerelevantprovisionsofthestatethroughtheassessmentofspecialequipmentsafetysupervisiondepartmenttoobtainqualified,nationalunifiedformatcertificateofspecialoperationspersonnelbeengagedinoperatingormanagement.(24)whentheelevatordriverworkswiththemaintenancepersonnel,themaintenancepersonnelareresponsibleforthepersonalsafetyofthedriver.(25)theelevatorsafetycontactswitchfailuremaycausetheelevatornottoclose. (26)intheelevatorrepairandmaintenance,youcanaskthedrivertocooperatewiththeelevator.(27)theuseofdigitalmultimeter,whenmeasuringresistance,youcannottunethezero.(28)whentheelevatorcarpassesthroughthesillofthefloordoor,thedistancebetweenthedoorknifeandthegatesillis5---10mm.(29)theelevatorandthesillshallberegularlylubricatedwithgrease.(30)inthemaintenanceandmaintenanceoftheelevator,itisstrictlyprohibitedtocrossthebodybetweenthecarroofandthefloordoor.(31)inthemaintenanceandmaintenanceoftheelevator,itisstrictlyforbiddentofightorfrolic.(32)elevatortractionropeshouldbecleanedwithgasolineeverymonth.(33)aforeignobjectinthesillmaycausethelifttonotstart.(34)theoperationoftheelevatoraftertheinterlockswitchoftheshortconnectiondooristhefaultjudgmentmethodfrequentlyusedintheelevatormaintenance. (35)theelevatoroperatedbythedrivershallnotbeallowedtoturnintoautomaticoperationwithoutpermission.(36)theelevatorkeycanbeusedbyanyone.(37)afterthemaintenanceandmaintenanceoftheelevatorpersonnel,asmallamountofalcohol,doesnotaffecttheirsafework.(38)whentheelevatorisinuse,thedoorshouldbeclosedwhenthedoorisinplaceandpresstheclosingbutton.(39)thestation,thecallladderbuttonandthefloorindicatorlightfail,whichdoesnotaffecttheelevator.(40)whentheelevatordriverfindsthattheelevatorisrunningabnormally,itshallcontinuetorunaftertheoperationrecordisrecorded.Whenthemaintenancepersonnelarrive,theelevatorrepairisstopped.(41),theelevatormachineroomisprohibitedXianzarenyuanenter.(42),theelevatorclosedwhenamaintenancestaffcancompleteturningreleaseoperation.(43)inGB7588,thereisnospecificregulationontheoperationofthegoodsladder.(44)thesafetydevicesofhigh-gradeelevatorsareverycomplete,andthereisnoneedforregularsafetyinspection. (45)theelevatorroomcanbeusedasastoreroomforstoringoil.(46)thesanitationintheelevatorcontrolcabinetshouldbecleanedbytheelevatordriveratregularintervals.(47)eachoperationprocessoftheelevatorisdividedintothreestages:startingacceleration,smoothrunninganddecelerationstopping.(48)theelectricsafetyswitchofthespeedlimitermustbeabletomoveinbothdirections.(49)anelevatorequippedwithfireman'soperatingfunctionhasbecomeanelevatorforfirefighterstouseinafire.(50)theelevatorshouldbeabletomovetowardsthecarinordertorespondtothemostremotereverseoperatinginstructions.(51.)workinspecialhumidityandmetalcontainers,andtheworkingvoltageofhandlampshouldnotexceed12V.(52.)workinspecialhumidityandmetalcontainers,andtheworkingvoltageofhandlampshouldnotexceed36V.()53.DB11/419-2007"elevatorinstallationandmaintenanceworksafetynorms"clearly,constructionunitsareengagedintheelevatormanufacturing,installation,transformation,maintenanceandroutinemaintenanceunits. ()54.Allconstructionsafetysigns,instructions,precautionsandinstructionsshallbekeptclearandsetinavisibleposition.()55.TheoperatorshallrecordtheselfinspectionduringtheinstallationandmajormaintenanceoftheelevatorintheformspecifiedintheappendixtotheDB11/419-2007.(56.)DB11/419-2007allcontentsofthesafetycodeforelevatorinstallationandmaintenanceworkarerecommendedrequirements.(57.DB11/419-2007)thesafetycodeforelevatorinstallationandmaintenanceworkstipulatesthattheconstructionofthehoistwayshallbedoneupanddownaftertakingsafetymeasures.(58)escalatorisonekindofelevator.(59)theflatareaoftheelevatormustbethesameasthelengthoftheunlockarea.(60)limitswitchesandlimitswitchescanbeautomaticallyreset,butmagneticswitchesarenotallowed.(61)toensuresafety,theelectriccabinetforthemainpowerswitchshallbeinstalled.(62),elevatoroperator,intheoperatingstateofthedriver,operatingthedoor. (63)theoutputisalwaystheoppositeoftheinput;thisrelationiscalled"non"logic.(64)elevatorweighingdeviceisoneofthesafetyprotectiondevices.(65)themainfunctionoftheguidewheelistoadjustthepackingangleofthetractionropeandthetractionwheel.(66)temperatureriseisnottheactualtemperatureindicatorofthermometer.(67)nonstraighttophydraulicelevatorsmustbeequippedwithsafetytongs.(68)elevatorspeedisthemainfactoraffectingcomfort.(69)windingisthewindingmethodoftractionmorethan2:1.(70)allrotatingpartsofthemachineroomshouldbepaintedredandhavethedirectionofrotationsign.(71)thefullloadcapacityofanelevatorisadevicethatworkswhenloadreaches100%load.(72)thecargoladdercanonlybeloadedandcannotbemannedatthetimeofoperation.(73)VVVFspeedregulationmeansthatthepowersupplyofthemotorshouldhavethefunctionofchangingthevoltageand frequencyofthepowersupplyatthesametime.(74)flatoperationisanoperationthatallowsthecartostopthepositionofthecarduringloadingorunloadingand,whennecessary,continuouslymovethecar.(75)theliftheightoftheliftreferstotheverticaldistancefromthegroundoutsidethebuildingtothegroundatthetopendofthelift.(76)"specialequipment"meansonlythreekindsofequipment,namelyelevator,craneandmotorvehicleinthefactory.(77)elevatorswithratedloadlessthan1000Kgcanuseanytypeofbuffer.(78)personnelwhohavefailedtoobtaintheelevatormaintenanceoperationpermitarenotallowedtoentertheelevatormaintenanceandmaintenanceposts,andcannottakepartinthemaintenanceworkoftheelevator.(79)thebrakekeepsthebrakingstateundernormalconditionwhenitispoweredon.(80)specialequipmentsafetysupervisioninstitutions,suchaselevatorsandelevators,aswellassupervisionandinspectioninstitutions.(81)thedisconnectionoftheelectricalsafetycontactsshallbeveryreliable,andthecontactsshallbedisconnectedastheyfusetogether. (82)thethree-phaseandthree-phasecircuitsshouldstriveforthree-phasebalance.IntheTN-Cconnectionmethod,whenthethree-phaseloadisunbalanced,thezerolinewillhavecurrentpassingthrough,causingthevoltageofeachphaseloadisunequal.(83)thetotalstrokeoftheaccumulatorbufferistheamountofcompressionthatthecarcarryingtheratedloadispressedonit.(84)theelectricalcontactofthedoorlockisanimportantsafetydevicetoverifythelockingcondition,andtheordinarystrokeswitchandmicroswitcharenotallowed.(85)clearancefitwithclearance,includingminimumclearanceequaltozero.(86)nationalstandardsarethemoststringentstandards.(87)thevalueofvoltageandcurrentiscalledstaticworkingpointwhentheamplifyingcircuitisnotaddedsignal.Itissetupforenergysaving.(88)theturn-onandturnoffofcontrolledsiliconisdeterminedbythevoltageappliedbythecontrolpole.(89.)thecurrentandvoltageflowingthrougheachresistorintheseriescircuitofresistanceareequal.(90)theelevatorlimitswitchworkstocutoffthedangerous direction,butitcanoperateinreversedirection.(91)elevatorweighingdevice,notsafetyprotectiondevice.(92)theelevatorbasestationmeansthebottomendoftheelevator.(93)themainfunctionoftheguidewheelistoadjustthepackingangleofthetractionropeandthetractionwheel.(94)theelectricalcontactofthedoorlockisanimportantsafetydevicetoverifythelockingcondition,andtheordinarytravelswitchandmicroswitchareallowed.(95)theelevatorlimitswitchworkstocutoffthedangerousdirection,butitcanoperateinreversedirection.(96)inordertoobtaingreatertractionforce,theslidingfrictioncoefficientbetweenthesteelwireropeandthetractionpulleygroovewallcanonlybeachieved.(97)thesafetytouchplateandphotoelectricdevicecanworkwhentheelevatorgoesintothefireoperation.(98)specialequipmentsafetysupervisioninstitutions,suchaselevatorsandelevators,aswellassupervisionandinspectioninstitutions.(99)theclearanceatthetopofthecounterweightmeanstheverticaldistancefromthehighestpartofthecounterweighttothelowestpartofthetopwhenthebottomofthecarisin contactwiththebuffer.(100)limitswitchesandlimitswitchescanbeautomaticallyreset,butmagneticswitchesarenotallowed.(101)elevatorweighingdeviceisnotsafetyprotectiondevice.(102)asynchronousmotorenergyconsumptionbraking,oftenthemotorstatorwindingconnectedtotheDCpowersupply.(103)theamplificationfactorofanamplifyingcircuitistheratioofthemagnitudeoftheoutputvariationtothemagnitudeoftheinputvariation.(104)thenamesof"GB/7025"and"escalator","escalator"and"automaticpavement"areused.(105)GB:theminimumclearancebetweenthedoorknifeandthehalldooris6~8mm.(106)theelevatorshouldbeabletomovetowardstheendofthetraininordertorespondtothemostdistantreversecallorder.()107.Whenaspecialequipmentoperatorfindsanyhiddendangersorotherunsafefactorsduringtheoperation,itshallreportimmediatelytothesafetymanagementpersonnelandtherelevantpersoninchargeoftheunit.()108.Speedswitchworkforce,onlythroughprofessionalmaintenancepersonneladjustment,lifttorestoreoperation. (109.)asafetycontactswitchfailuremaycausetheelevatortobeclosed.(110)inthemaintenanceandmaintenanceoftheelevator,themaintenanceworkermayaskthedrivertocooperatewiththeelevator.(111.)whenthecarpassesthroughthegateofthehalldoor,thedistancebetweenthecardoorandthedoorsillshallbe5-10mm.(112.)usedigitalmultimeter,whenmeasuringresistance,itcannotadjustzero.(113.)theoiltankofthespeedlimitershallberegularlyaddedwithlubricatingoiltoprolongitsservicelife.(114.)inordertoreducetheresistanceoftheliftoperation,thebootsoftheelasticslideguidebootsshouldnothaveanypressureonthetopsurfaceoftheguiderail.(115.)inthemaintenanceoftheelevator,itisstrictlyprohibitedtocrossthebodybetweenthecarroofandthefloordoor.(116.)inthemeasurementofDCsignal,tomakethemultimeterblackpenisconnectedwiththemeasuredpartofthecathode,theredpenisconnectedwiththemeasuredpartoftheanode.(117.)whenthetractionmachineistoohigh,theelevatorwill stoprunningimmediatelyinordertoprotectthemotor.Itwillbeputintooperationagainwhenthetemperatureisnormal.(118.)themainpowerswitchoftheelevatormustbeabletocutoffallthepowerontheelevator.(119.)aftertheinterlockswitchoftheshortlayerdoormakestheelevatorrun,itisafaultjudgmentmethodfrequentlyusedintheelevatormaintenance(120.)theratedspeedoftheelevatormeansthespeedofthecarsetbytheinstallationandcommissioningpersonnel.(121.)theelevatordoorkeycanonlybeusedbythemaintenancepersonnelandtheelevatordriver.(122.)anelevatorfullloadswitchisnotasafetydevice.(123.)thestation,thecallladderbuttonandthefloorindicatorlightfail,whichdoesnotaffecttheelevator.(124.)electricshock,thecurrentthroughthehumanbodycausedbyinjuries,electricshocksandelectricalinjuriestwo.(125.)thefactorsthatdeterminethedegreeofelectricshockare:(1)thesizeofthecurrentthroughthebody.(2)thelengthofcurrentpassedthroughthehumanbody.(3)currentpassingthroughthehumanbody.(4)thefrequencyofthecurrentthroughthebody.(5)thephysicalconditionofelectricshockvictims. (126.)whenanelectricshockpersonbreaksoffthepowersupply,Therescuercannottouchthebodyoftheelectricshockpersondirectly.(127.)whentheelectricshockpersonisdisengagedfromthepowersupply,therescuercancontactthebodyoftheelectricshockpersondirectly.(129.)theforceactingonamagneticconductorinamagneticfieldisactuallytheresultoftheinteractionofanelectricfieldwithamagneticfield.(130.)accordingtotheregulationsonthesupervisionofspecialequipmentsafety,theproductionofspecialequipmentreferstothedesign,manufacture,installation,transformationandmaintenance.(131.)accordingtothe"Regulations"specialequipmentsafetysupervisionregulations,majormaintenanceprocessofelevator,liftingmachinery,passengerropeway,largerecreationfacilities,theconstructionunitmustbeselfrecord,selfqualified,canbeputintouse.(132.)accordingtotheregulationsonthesupervisionofspecialequipmentsafety,thespecialequipmentunitshalldrawupemergencymeasuresandrescueplans.(133.)accordingtotheregulationsonthesupervisionofspecialequipmentsafety,thespecialequipmentunitsdonot havetoformulateemergencymeasuresandrescueplans.(134.)inaccordancewiththeprovisionsofthelawofthePeople'sRepublicofChinaonsafeproduction,themanagementofsafetyinproductionshalladheretotheprincipleofsafetyfirstandpreventionfirst.(135.)thecurrentandvoltageflowingthrougheachresistorintheseriescircuitofresistanceareequal.(136.)current,voltage,electromotiveforce,magnitudeanddirectionchangeperiodicallywithtime,calledalternatingcurrent.(137.)accordingtothecurrenttypeclassification,themotorcanbedividedintotwokindsofDCmotorandACmotor.(138.)amagneticfieldlineisaclosedcurvethatdoesnotintersect.Thedenserthemagneticfield,thestrongerthemagneticfield.(139.)ACmotorspeedregulatingmethodsare:(1)variablepolespeedregulation;(2)variablepressurespeedregulation;(3)variablefrequencyvariablepressurespeedregulation;(4)variableslipspeedregulation.(140.)three-phaseasynchronousmotorconsistsoftwoparts,statorandrotor.(141.)fusesarecommonlowvoltageappliances,usedinlow-voltagecircuitsandmotorcontrolcircuitsasprotective devicesforoverloadandshortcircuitprotection.(142.)isfrequentlyusedtocontactorcontactorautomaticremotecontrolswitchonorofftheendDCmaincircuitandcontrolcircuitoflargecapacity,butalsohasundervoltage,zerovoltageprotection,highoperationfrequency,reliablework,stableperformance,convenientmaintenance,longlifeetc..(143.)thethermalrelayusesthecurrentthermaleffecttocutoffthecircuittoachieveoverloadprotection(144.)thermalrelayisanelectricappliancethatusescurrentthermaleffecttocutoffthecircuitsoastorealizeover-currentprotection.(145.)VVVFissynchronousspeedregulatingmotorbychangingthepowersupplyofasynchronousmotorfrequency,isappliedtochangethemotorterminalvoltageandpowerfrequencytoadjustthespeedofmotor.(146.)theelevatorpowersupplyshouldbeaspecialpowersupply.Thevoltagefluctuationrangeofthepowersupplyshallnotbemorethan+7%,andthelightingpowershallbeseparatedfromthemainpowersupplyoftheelevator.(147.)theelevatorpowersupplyshouldbeaspecialpowersupply.Thevoltagefluctuationrangeofthepowersupplyshallnotbemorethan+10%,andthelightingpowershallbeseparatedfromthemainpowersupplyoftheelevator. (148.)intheelevatorroom,eachelevatorshallbeindividuallyequippedwithamainswitchcapableofcuttingofftheelevatorcircuitofthestation.Theswitchsettingcapacityshouldbeslightlygreaterthanthetotalcapacityofallcircuits,andhastheabilitytocutoffthemaximumcurrentundernormaluse.(149.)intheelevatorroom,eachelevatorshallbeindividuallyequippedwithamainswitchcapableofcuttingofftheelevatorcircuitofthestation.Theswitchsettingcapacityshouldbeslightlygreaterthanthetotalcapacityofallcircuits,andhastheabilitytocutofftheminimumcurrentinthenormaluseoftheelevator.(150.)thesafetyvoltageistheverylowvoltagepowersupplythatthepowersupplyvoltageisnotgreaterthan50V,thepowerandthelineareisolatedfromotherelectricalsystemsandtheearth.(151.)hydraulicelevatorsconsistofpumpingstations,hydraulic,steering,car,doorandelectricalcontrolsystems.(152.)thespeedofthehydraulicelevatorisactuallytheflowthatcontrolstheflowintothecylinder.()153.Therearetwokindsofdrivingmodes:tractiondriveandforceddrive.(154.)thedoorofthesundrieselevatorshallbeinterlocked withthedoorlockandelectricalsafety.Whenthedoorisnotclosed,theelevatorcannotstart,thecarisnotinthestationunlockarea,thestationdoorcannotbeopened.(155.)theelevatorisasmallelevator,anditdoesn'tmakeanydifferencefromtheelevator.(156.)theescalatorcontrolsystemincludesfourmainparts:maincircuit,controlcircuit,rectifiervoltagestabilizingcircuitandprotectioncircuit.(157.)theconveyingcapacityoftheescalatorisdeterminedbythespeedofoperationandthewidthofthestep.(158.)themaintenancecontroldeviceofescalatorshallbeamovableportableoperatingdevice.(159.)whentheelevatorisrunning,allthesafetydevicesintheelevatorwork,includingtheinterlockingofthedoors.(160.)aftertheescalatorandautomaticpavementhavestoppedrunning,theymustberestarted.(safetymanagementexchange-www.riskmw.com)
