第1題Theinstallationofelectromechanicalequipmentinrailtransitindustryincludes()AvehicleandtrackBsignalandcommunicationCstationareaelectromechanicalequipmentDsystempowersupply正確答案：ABCD第2題Themainproblemsexistingintheinstallationofelectromechanicalequipmentintheconstructionindustryinclude()AelectricalequipmentinstallationproblemBpipelineinstallationproblemClightningprotectiongroundingproblemDmechanicalvibrationproblem正確答案：ABC第3題Commonsimplehoistingappliancesinclude()ApulleysandblocksBaxlesCslopesDcrowbarsandrollers正確答案：ABCD第4題Therolesoffoundationare()AtobearalltheloadsofelectromechanicalequipmentanditsfoundationBtobearallkindsofinertiaforceswhenthemachineisrunningCtoensurethatthereisnooverallorlocalsettlementDtoeliminatetheinfluenceofgroundwater,quicksandandloosesoil正確答案：ABCD第5題Commonlyusedfoundationreinforcementmethodsinclude()AvibratorycompactionmethodBsoilreplacementcushionmethodCcompactionmethodDgroutingmethod正確答案：ABCD第6題Anchorboltsusedintheinstallationofelectromechanicalequipmentinclude()AfixedanchorboltBmovableanchorboltCexpansiveanchorboltDgasketanchorbolt正確答案：ABC第7題Tasksofmechanicalandelectricalequipmentinstallersare()AtoinstallthemechanicalandelectricalequipmentcorrectlyinthepredeterminedpositionaccordingtotheprocessregulationsBtocleanandassemblethemachinebeforeinstallationCtocheckanddealwiththedeformation,damageandlossofthemachineduringtransportationandstorageDtocooperatewiththeacceptancepersonneltocompletetheacceptanceofthemechanicalandelectricalequipment正確答案：ABCD第8題Thecommonlyusedcleaningfluidafterdisassemblyofelectromechanicalequipmentinclude()AorganicsolventBalkalinesolutionCchemicalcleaningsolutionDhotwater正確答案：ABC第9題Thestandardsforhandoverandacceptanceofelectromechanicalequipmentare()AcompletingtheconstructionaccordingtothecontractandtherequirementsofthedesigndrawingsBmeetingthequalitystandardsstipulatedbythestateCmeetingtherequirementsforuseDtheauxiliaryfacilitiesareinnormaloperationEtheequipmentcommissioningandtrialoperationmeetthedesignrequirementsandtimelimitFthetechnicaldataandfilesarecomplete正確答案：ABCDEF第10題Duringtheinstallationandmaintenanceofelectromechanicalequipment,plierscanbeusedinsteadofwrenchtotightenorloosenscrews,nutsandotherangularworkpieces.第11題Whenmeasuringthelevelnessofaplaneoraworkpiecewithalevel,thelevelcanbedraggedaroundthemeasuredplaneforspeedandconvenience.第12題Themovablepulleymoveswithheavyobjectswheninuse;Themovablepulleyisessentiallyaleverwhosepowerarmistwicethatoftheresistancearm,saving1/2forceandspending1timemoredistance.第13題Whenlooseningthejacktomakeheavyobjectsfall,checkwhethertheheavyobjectsarefirmlysupported,andlowerthemslowlytoensuresafety.第14題Hydraulicforkliftmustworkunderratedload,anditsmovementshouldbecarriedoutonflatground.第15題Whenhoistingthesteelwirerope,itcannotbetortuousatanacuteangleorpressedflat;Whenthewireropeisindirectcontactwiththesharpcornersofequipmentcomponents,itisnecessarytopadwoodenblocks第16題Expansiveanchorboltsaresimpleinconstruction,accurateinpositioning,donotneedtobeembedded,buttheburieddepthisshallow,andtheyareeasytofailwhenimpactedandvibrated第17題Aftertheconcretepouringofelectromechanicalequipmentfoundationissolidified,electromechanicalequipmentcanbeinstalledwithoutmaintenance.第18題Whenunpackingmechanicalandelectricalequipment,itisnecessarytocheckwhethertheouterpackagingisintact,whetherthereisanydamagetomechanicalandelectricalequipmentcausedbydamagedpackaging,whetherthereisdeformation,damp,corrosionorshortageofquantity第19題Thefunctionofsizingblockistoadjusttheelevationandlevelnessofelectromechanicalequipment,andmakealltheweightofelectromechanicalequipmentevenlytransmittedtothefoundationthroughsizingblock,soastoreducethevibrationofelectromechanicalequipment第20題Thewiresofelectromechanicalequipmentarelaidasfarawayfromelectromagneticinterferencesourcesaspossible.Thewirescanbeprotectedbyshieldingthroughsteelpipesonsite.Theprotectivesteelpipescanbefirmlyfixedonthebracketwithclipsandcanbefixedbywelding.第21題Mechanicalandelectricalsystemsbearingairpressureandhydraulicpressure,pressurevesselsinequipment,variousheatexchangers,varioustypesofpressurepipelinesystems,andvarioustypesofmechanicalandelectricalequipmentrequiringpressuretestafterinstallationmustundergopressuretestafterassembly.第1題Accordingtothematerialformoflubricants,lubricantscanbedividedinto()AgaslubricantBliquidlubricantCsemi-solidlubricantDsolidlubricant正確答案：ABCD第2題Lubricatingoilcanbedividedinto()AminerallubricatingoilBsyntheticlubricatingoilCvegetablelubricatingoilDengineoil正確答案：ABC第3題Mechanicalimpuritiesinlubricatingoilcan()AdestroyoilfilmBintensifyabrasionandearlywearonthesurfaceofpartsCblockoilpassagesandfiltersDreducetheinsulationperformanceoftransformeroil正確答案：ABCD第4題Thebasisforaffectingtheselectionoflubricatingoilare()AbearingloadBmovingspeedandstateCworkingtemperatureandenvironmentDlubricationmode正確答案：ABCD第5題AccordingtoLubricatingdevicescanbedividedinto()accordingtodifferentoilsupplymodesoffrictionpairsApressurelesslubricationandpressurelubricationBintermittentlubricationandcontinuouslubricationCoutflowlubricationandcirculatinglubricationDoillubricationandgreaselubrication正確答案：ABC第6題Lubricatingmaterialshallbeintroducedintothefrictionsurfaceat()AminimumfilmloadBmaximumfilmloadCarbitraryposition第7題Lubrication"fivefixed"includes()AfixedspotBfixedqualityCfixedquantityDfixedscheduleEfixedpersonFfixedtool正確答案：ABCDE第8題Accordingtolubricationsystemofslidingbearing,undernormalworkingconditions,oilcuplubricationisadopted,whichrequires()AonceeveryfivedaysandeverythreemonthsBonceeveryweekandeverythreemonthsConceeverytwoweeksandeverysixmonthsDonceeverythreedaysandeverymonth第9題Requirementsforequipmentmaintenance(）AneatBcleanCgoodlubricationDsafety正確答案：ABCD第10題Atpresent,allcountriesintheworldusedynamicviscositytomarkthegradeoflubricatingoilinordertoindicateitsviscosityrange第11題Lubricatingoilwillchangebecauseofoxidationduringuseorstorage,andthedegreeofdiscolorationisrelatedtothedegreeofdeterioration.第12題Lubricatingoilisverysensitivetothechangeoftemperature,andtheviscositybecomeshigherwhenthetemperaturerises第13題Thegreatertheconepenetrationofthegrease,thesmallertheconsistencyofthegrease,thebetterthepressuredelivery,anditisnoteasytobeextrudedfromthefrictionsurfacesunderheavyloadconditions第14題Theviscosityofsubstitutelubricatingoilshouldbeequaltoorslightlyhigherthanthatoforiginaloil;Theperformanceofsubstituteoilshouldbeclosetothatoforiginaloil.第15題Theoilgrooveoflubricatingoilshallnotbesetintheoilfilmbearingarea第16題Replacedwasteoil,exceptforself-processingandregeneration,shouldbedumpedandscrapped第17題First-classmaintenance(oneguarantee)ismainlyoperatedbyoperatorsandsupplementedbymaintenanceworkers,whichisaplannedmaintenance,alsocalledregularmaintenance第18題Forpowerequipment,largecontinuousproductionequipment,hoistingequipmentandequipmentthatmustensuresafeoperationandsignificanteconomicbenefits,itisnecessarytoarrangemajormaintenanceatanappropriatetime第19題Generallyspeaking,forthemechanicalandelectricalequipmentoverhauledforthefirsttime,itsaccuracyandefficiencyshouldmeetthefactorystandards,andtheequipmentoverhauledformorethantwotimeshasloweraccuracyandefficiencythanthenewequipment,soitisusuallyusedfordownshift.Test3第1題Importantcausesofmechanicalandelectricalequipmentfaultinclude()AinstallationandcommissioningdidnotmeetthequalitystandardsofequipmentBoperatorsdidnotoperateaccordingtoregulationsCroutinemaintenancedidnotfollowtheplan,etc.Dpurchasedequipmentdidnotmeetthetechnicalandperformancerequirementsrequiredforuse.正確答案：ABC第2題Partdeformationisdividedinto()AelasticdeformationBplasticdeformationCcreepDjump正確答案：ABC第3題Classificationofelectricalcontactinelectromechanicalequipment()AfixedcontactBslidingcontactCdetachablecontact正確答案：ABC第4題Thetypicalimplementationprocessoffaultdiagnosisofelectromechanicalequipmentcanbesummarizedintothefollowingaspects()AsignalacquisitionBsignalprocessingCstateidentificationDdiagnosisdecision正確答案：ABCD第5題Faultdiagnosisofelectromechanicalequipmentshallbeperformedin()AfirstsayingandthendoingBfirstexternalandtheninternalCfirstmechanicalandthenelectricalDfirstcleaningandthenmaintenanceEfirststaticandthendynamicFfirstpowersupplyandthenequipmentGfirstinterfaceandthencomponentsHfirstDCandthenACIfirstuniversalandthenspecialJfirstrepairandthendebugging正確答案：ABCDEFGHIJ第6題()areavailabletotesttheshapeandpositionaccuracyofmechanicalpartsAlevelBcollimatorCfeelergauge,anglegaugeDmicrometer,dialindicator正確答案：ABCD第7題typicalmechanicalpartswearcurveisdividedinto()AinitialwearstageofpartsBnormalwearstageofpartsCseverewearstageofparts正確答案：ABC第8題Themainformsofpowergridoperatingconditionschangeinclude()Athree-phasepowersupplyasymmetryBthree-phaseloadasymmetryCneutralpointoffset正確答案：ABC第9題Thephenomenonthatthepartsofelectromechanicalequipmentlosetheirspecifiedfunctionsandcannotcontinuetoworkiscalledfault.Whenthekeypartsofelectromechanicalequipmentfail,itmeansthattheequipmentisinafaultstate第10題Correctmaterialselection,reasonabledesign,protectivecoating,electrochemicalprotection,addingcorrosioninhibitorandchangingenvironmentalconditionscanreducethecorrosionofmetalmaterials.第11題Replacingtheoriginalelectricalcontactmaterialsrandomlywillnotaffecttheperformanceofelectricalcontact第12題Thefaultsofelectromechanicalequipmentarenotonlycausedbysinglemechanicalpartsandelectricalsystems,butalsocausedbytheirmutualinfluenceandinteraction.第13題Thefaultdiagnosisofelectromechanicalequipmentshouldfocusondailymaintenanceandcontinuousmonitoring,andsolvetheproblemsthatcausethefaultbeforethefaultoccurs.第14題Installingmagnetandchipcollectingroominhydraulicsystemcaneffectivelyreduceabrasivewear第15題Theprobabilityofcorrosionfailureofelectromechanicalequipmentinthesouthishigherthanthatinthenorth第16題Faultdiagnosisofelectromechanicalequipmentmainlyreferstothediagnosisafterfault第17題Themoreprecisetheinstrumentis,theeasieritistodetectthefaultofelectromechanicalequipment第18題Faultsofelectromechanicalequipmentmostlyrefertofaultscausedbyimpropermaintenanceandcommissioning,violationofoperatingproceduresoruseofunqualifiedpartsandmaterialsTest4第1題Workpiecesurfacestrengtheningtechnologyincludes()AsurfacedeformationstrengtheningBsurfaceheattreatmentstrengtheningCsurfacechemicalheattreatmentstrengtheningDsurfacefrictionstrengthening正確答案：ABC第2題Theshape(s)oftheheatingareaofthethermalcorrectionmethodinclude(s)()Astrip(inuniformdeformationanddistortion)Bserpentine(inseveredeformation,largehotarearequired)Crounddot(slendershaftpartsafterfinishing)正確答案：ABC第3題Electroplatingcanbeusedtorepairparts()AwithlittlewearBrequiringhighprecisionCwithcomplexshapeandstructureDwithalargebatchEneedingaspeciallayer正確答案：ABCDE第4題Accordingtothetypeofheatsourceforheatingsprayingmaterials,thetypesofthermalsprayingrepairtechnologyinclude()AflamesBarcCelectrothermalDlaser正確答案：ABCD第5題Advantagesofbondingtechnologyinclude()AbondingisnotlimitedbymaterialBbondingcanreducestructuralweightCgoodsealingperformanceandchemicalstabilityDsimpleprocess正確答案：ABCD第6題Electricalsystemfaultsofelectromechanicalequipmentare()AshortcircuitfaultBleakagefaultCopencircuitfaultDdeteriorationfault正確答案：ABCD第7題Commonmethodsfortroubleshootingelectricalsystemofelectromechanicalequipmentinclude()AvisualinspectionBmultimetermeasurementCwaveformDstandardsignalinputEsubstitutionFshortconnection正確答案：ABCDEF第8題Thecontrolsystemoflow-voltageelectricalappliancesiswidelyused,mainlyplayingthefunctionof()AcontrolandprotectionBmeasurementandregulationCindicationandconversion正確答案：ABC第9題Commoncausesofinverterdamageinclude()ApooruseenvironmentandpoormaintenanceBimproperparametersettingCincorrectinputsignalorimproperwiringDmismatchedloadorincorrectsystemdesign正確答案：ABCD第10題Theinspectionmethodsoffrequencyconverterfaultsinclude()AinspectionofrectifiercircuitBinspectionofintermediatecircuitCinspectionofdrivingcircuitDinvertermoduleinspectionEI/OinterfaceinspectionFwholemachineinspection正確答案：ABCDEF第11題Theinspectionsofmaintenancequalityofelectromechanicalequipmentinclude()AinspectionofassemblyqualityBinspectionofgeometricaccuracyCinspectionofinsulationDinspectionofdynamicandstaticbalance正確答案：ABCD第12題Thereasonforrotormassimbalanceisthatthecenterofgravityoftherotatingpartisoffsetfromthecenterofrotationcausedby()AerrorsintheprocessingandmanufacturingofrotatingpartsBunevenqualityofrotatingpartsCdeviationbetweentheinstallationofrotatingpartsandshaftsDcomponentmovementonrotatingparts正確答案：ABCD第13題Theremaybemanykindsofdamagedefectsforacertainkindofmechanicalpartsatthesametime,ortheremaybeseveraldifferentrepairmethodsandtechnologiesforacertainkindofdamagedefects第14題Applyingbondingtechnologytorepairwornpartscannotonlyrestorethedimensionsofwornparts,butalsoimprovetheconditionoffrictionsurfaceandprolongtheservicelifeofwornparts第15題Onthepremiseofensuringtherepairquality,strivetoadopttheleastkindsofrepairtechnologiesintherepairscheme第16題Whenformulatingtherepairprocessregulations,Deformationoflargerprocessesshouldbeinthefront,electroplating,sprayingandotherprocessesgenerallyinthepressureprocessingandsurfacingrepairafter第17題Themethodofplasticdeformationrepairwillonlychangetheshapeofparts,butwillnotchangethemechanicalpropertiesandorganizationalstructureofmetals第18題Bondingrepaircan'tbetestedbynondestructivetesting,soitsapplicationislimited第19題Ifnoobviousdamageisfound,theelectricalsystemcanbeelectrifiedandchecked,andthecomponentsandjointscanbeobservedforsparking,smoking,abnormalnoiseandotherphenomena.Ifnecessary,cutoffthepowerimmediately第20題Forsuspiciousfaultunitsormodules,thesametypeofpartialreplacement,orthesamefunctionofthesameelectromechanicalequipmentinthewayofswitchingwiringtofindthefaultmethod.第21題Whentheremainingthicknessofthecontactsoflow-voltageelectricalappliancesislessthan1/3oftheoriginalthickness,newcontactsmustbereplaced第22題Aluminumcoreconductorshallnotbeusedforcontrolloopwiringofelectromechanicalequipment第23題Theelectricalsystemofelectromechanicalequipmentshallbetestedforinsulationbeforemaintenanceandacceptanceandhandover第24題Forallrotatingpartsthathavefounddynamicbalance,thereisnoneedtofindstaticbalance,becausetheaccuracyofdynamicbalanceishigherthanthatofstaticbalanceTest5第1題Atpresent,thecommonlyusedassemblymethodstoensurethefittingaccuracyinclude()AinterchangeassemblymethodBrepairassemblymethodCselectionassemblymethodDadjustmentassemblymethod正確答案：ABCD第2題Becauseofsealfailure,thephenomenonof"threeleaks"oftenoccurs()AoilleakageBwaterleakageCAirLeakageDElectricityLeakage正確答案：ABC第3題Inspectionofdisassemblyprocessofmechanicalequipmentisdividedinto()AinspectionbeforerepairBinspectionatanytimeCinspectionafterrepairDassemblyinspection正確答案：ACD第4題Thecontentsofinspectioninclude()AthegeometricalprecisionofthepartBthesurfacequalityofthepartCthemechanicalpropertiesofthepartDtheinspectionofthehiddendefectsofthepart正確答案：ABCD第5題Thecommonlyusedhotchargingmethodsinclude()AhotdipBoxyacetyleneflameheatingCresistanceheatingDsolidfuelEelectricinductionheating正確答案：ABCDE第6題Thepositionalrelationshipsbetweencouplingsinclude()AaxialdisplacementBradialdisplacementCangulardisplacementDcomprehensivedisplacement正確答案：ABCD第7題Theassemblymethodsofrollingbearingmainlyinclude()AhammeringmethodBpress-inmethodCtemperaturedifferencemethodDhydraulicsleevemethod正確答案：ABCD第8題Theinspectionofgearbacklashcanberealizedby()method.AfeelergaugeBdialindicatorCleadwireDlevelmeter正確答案：ABC第9題Sealsforfixedconnectionsinclude（）AclosesealBsealantsealCgasketsealDweldingseal正確答案：ABC第10題Themethodstorestoretheaccuracyofdimensionchaininclude()AusingtheoriginaladjustingpartBreplacingtheoriginaladjustingpartCaddingtheadjustingpart正確答案：ABC第11題Inordertoensurethesealingperformance,wheninstallingvariousgaskets,donotsmearall-losssystemoil第12題Aftertheassemblyofeachcomponent,itmustbecarefullyinspectedandcleanedtopreventmissingorwrongparts,andtopreventaccidentscausedbystoringredundanttoolsandpartsinthebox.第13題Thecleaningandcleaningofpartsinassemblyprocessplaysanimportantroleinimprovingassemblyqualityandprolongingtheservicelifeofproducts.第14題Theprincipleofthesameforceusedfordisassemblyandassemblyshouldbeadheredtoforshaftholeassembly第15題Thematchingpropertyofkeyandkeywayisobtainedbychangingthelimitsizeofshaftgrooveandhubgroove第16題Thesizeofthesamplerodusedinthehotchargingmethodshallbemadeaccordingto2timesoftheactualinterferenceamount第17題Theflushofthetwocylindricalsurfacesofthecouplingindicatesthattheconnectedtwoaxesareconcentric第18題Rollingbearingclearanceistoolarge,equipmentvibrationislarge,rollingbearingnoiseislarge第19題Intheassemblyprocess,thesealingelementcanbedirectlyknockedwithtools第20題Whengearswithsmallinterferenceareassembledwithshafts,theycanbehammeredwithcopperhammerorwoodenhammerTest6第1題ThefaultclassificationsofCNCmachinetoolsare()AsuddenandgradualfaultBcompleteandpartialfaultCmisoperationandbodyfaultDdestructiveandnon-destructivefaultEassociatedandnon-associatedfault正確答案：ABCDE第2題CNCmachinetoolmaintenancepersonnelshouldhave()Acomputernumericalcontrol(CNC)systemknowledgeBfamiliarityinmachinetoolelectricalcontrol,mechanicalstructure,processingtechnologyandotherknowledgeCunderstandingofthebasicoperationofmachinetoolsDstrongsenseofresp