第頁(yè)化工行業(yè)水處理及安全相關(guān)知識(shí)AA001單元測(cè)試試卷1.AA001Themostcommonlyusedinsofteningtreatmentis()ionexchangeresin.A、sodiumtypestrongacidB、hydrogentypestrongacidC、chlorinetypeweakacidD、hydrogentypeweaklyacidic【正確答案】：A2.AA001Forboilerswithapressuregreaterthan3.8MPa,thecontentofsilicainthesteamshouldnotbehigherthan()μgkg.A、5B、10C、20D、100【正確答案】：C3.AA001Thefeedwaterhardnessof3.8~5.8MPasteamdrumboilershouldbe()μmolL.A、≤0.5B、≤1C、≤2D、≤5【正確答案】：C4.AA001Atpresentinboilerwatertreatment,themostcommonuseof()fordesalting.A、reverseosmosismethodB、distillationC、chemicaldesaltingD、electrodialysis【正確答案】：C5.AA001Atlowtemperatures,thecharacteristicsofaluminumsaltcoagulantsare().A、Easyhydrolysis,denseflocsformedbycoagulationB、Easyhydrolysis,butlooseflocsformedbycoagulationC、Difficulthydrolysis,looseflocsformedbycoagulationDifficulthydrolysis,butdenseflocsformedbycoagulation【正確答案】：C6.AA001Inthethermalsystem,thepartmostsusceptibletofreeCO2corrosionisthe().A、EconomizerBoilersteamdrumCondensatesystemDeaerator【正確答案】：C7.AA001Thebackuppumpneedstobeturnedontime,notforthepurposeof().A、preventthepumpshaftrustdeathB、preventthepumpshaftfrombendingdeformationC、inwintercanpreventthepumpshaftandshellfreezingD、preventthewaterinthepumpchamberfrombecomingsmelly【正確答案】：D8.AA001Theparticlesizeoftheresinaffectstheionexchangerate,whichiscausedbythedifferenceintheporedistanceandliquidfilmdiffusion().A、areaB、SurfaceareaC、VolumeD、cross-sectionalarea【正確答案】：B9.AA001Amongthefollowinghalogens,theonethatdoesnothavereducingpropertiesis().A、F2B、Cl2C、Br?D、I?【正確答案】：A10.AA001Iftheworkplaceisdamp,toavoidelectricshock,thepersonusinghandheldelectrictoolsshould().A、OperatewhilestandingonawoodenboardB、OperatewhilewearingclothshoesC、OperatewhilestandingonaninsulatingrubbermatD、Operatewhilewearinganti-staticshoes【正確答案】：C11.AA001Theoptionthatisnotamainrouteofpollutioninthepetrochemicalindustryis().A、EmissionsfromtheprocessB、DrippingandleakagefromequipmentandpipelinesC、TransportationoffinishedproductsDisposalofcatalystsandadditives【正確答案】：C12.AA001Inthefiltrationprocess,thegreaterthepenetrationdepthofsuspendedparticles,the()theturbidityoftheinfluentandthelargerthefiltermaterialparticlesize.A、GreatertheturbidityoftheinfluentandthelargerthefiltermaterialparticlesizeB、GreatertheturbidityoftheinfluentandthesmallerthefiltermaterialparticlesizeC、LowertheturbidityoftheinfluentandthelargerthefiltermaterialparticlesizeD、Lowertheturbidityoftheinfluentandthesmallerthefiltermaterialparticlesize【正確答案】：A13.AA001MetalcorrosionThepolarizationofthebattery,whichcanmakethecorrosionrateofthemetal().A、increaseB、DecreaseC、unchangedD、notsure【正確答案】：B14.AA001Adispersionsystemwithdispersedphaseparticlediametersintherangeof()nmiscalledacolloidalsolution.A、≥1B、1~100C、10~1000D、≤100【正確答案】：B15.AA001Inthecombinedwatertreatmentofsofteninganddealkalization,themoreidealcombinedionexchangesystemis().A、weaklyacidichydrogen-sodiumseriesB、strongacidichydrogen-sodiumseriesC、doublesodiumseriesD、single-stagesodiumandacidtreatment【正確答案】：A16.AA001Condensatedesaltgenerallyadoptsthetreatmentmethodof().A、reverseosmosisB、DistillationC、MixingbedD、electrodialyzer【正確答案】：C17.AA001ThehardwareofaDCSsystemincludes().A、Monitors,mice,keyboards,etc.B、Operatorstations,engineerstations,controlstations,communicationunits,etc.C、Flowchartscreens,alarmscreens,reportscreens,controlgroupscreens,etc.D、Controlunits,displayunits,computingunits,alarmunits,etc.【正確答案】：B18.AA001Astandardsolutionfortitratingbasicity,usuallypreparedwith().A、H2SO4B、HClC、NaHCO3D、NaOH【正確答案】：A19.AA001Semi-solidlubricantsarecalledgreases,whichareclassifiedaccordingto().A、droppointB、viscosityC、needlepenetrationD、soappoints【正確答案】：C20.AA001Thelevelscorrespondingtothevocationalqualificationcertificatesof初級(jí)、中級(jí)、高級(jí)、技師、高級(jí)技師are()respectively.A、Five,four,three,two,oneB、One,two,three,four,fiveC、Two,three,four,five,sixD、Six,five,four,three,two【正確答案】：A21.AA001Whentheoutletpressureishigherthantheinlet,theflapofthelift-typecheckvalvefollowstheverticalcenterlineofthebody().A、dropcloseB、risetoopenC、opendownD、Risetoclose【正確答案】：A22.AA001Amongthefollowingparticles,theonewiththestrongestreducingpoweris().A、IodideionB、FluorideionChlorineatomD、Iodineatom【正確答案】：A23.AA001Anautomaticcontrolsystemisa().A、Open-loopsystemB、Closed-loopsystemC、Fixed-valuesystemD、Programsystem【正確答案】：B24.AA001Amongthefollowingcharacteristicsoffluids,theincorrectoneis().A、RelativemotionoccursinsideundertheactionofexternalforceB、FluidsareincompressibleC、FluidshaveviscosityinmotionD、Nofixedshape,changeswiththeshapeofthecontainer【正確答案】：B25.AA001Theconcentrationofhydrochloricacidasregeneratorinfloatingbedofstronghydrogenionexchangeshouldbecontrolledat()%.A、0.5~1B、2to4C、10to12D、8to10【正確答案】：B26.AA001Inadditiontoliftingandinjectionequipment,coagulantdosingequipmentalsoincludes().A、MeteringequipmentB、ReactionequipmentC、MixingequipmentD、Stirringequipment【正確答案】：A27.AA001Ionexchangeresinsusedinchemicalwatertreatment,thecrosslinkingdegreeisgenerallyintherangeof().A、3%to10%B、7to12percentC、10%to15%D、12%to20%【正確答案】：B28.AA001Toachievethefollowingchange,anoxidizingagentisneededfor().A、HCI→CI2B、NaCl→HCIC、HCI→H2D、CaCO3→CO2【正確答案】：A29.AA001Amongthefollowingoptions,()representstheanti-knockindexofgasolinewhenitburnsinagasolineengine.A、IsooctanevalueB、n-HeptanevalueC、OctanevalueD、Cetanevalue【正確答案】：C30.AA001Whenpurewaterandsaltwaterareseparatedbyanidealsemi-permeablemembrane,theexternalpressureappliedtothesaltwaterside(osmoticpressure),thewateronthesaltwatersidewillflowintothepurewaterside,aphenomenoncalledreverseosmosis.A、equaltoB、lessthanC、greaterthanD、close【正確答案】：C31.AA001Amongthefollowingoptions,()indicatestheclosenessofthemeasurementresulttothetruevalueofthemeasuredquantity.A、ReliabilityB、EconomyC、PrecisionD、Accuracy【正確答案】：D32.AA001Amongthefollowingtypesofflanges,()isusuallyusedfortheconnectionofcopper,aluminum,andothernon-ferrousmetals,aswellasstainlessacid-resistantsteelcontainersandpipelines.A、Slip-onflangeB、WeldingneckflangeC、ThreadedflangeD、Looseflange【正確答案】：D33.AA001Thefollowingconceptsindicatethecontentofimpuritiesinwater,thelargestcontentis().A、inorganicsubstancesB、SaltcontentC、TotalsolidsD、Organicmatter【正確答案】：C34.AA001Whenclassifyingcrudeoilbydensity,theonewithadensity(at15℃)between0.855～0.934gcm3iscalled().A、LightcrudeoilB、MediumcrudeoilC、HeavycrudeoilD、Extraheavycrudeoil【正確答案】：B35.AA001ValvewithmodelnumberZ941T-10,wherethefirstnumber"1"indicates().A、drivemodeB、connectionmodeC、structuralformD、Nominalpressure【正確答案】：C36.AA001Thegasthatisnottoxicis().A、ChlorineB、HydrogensulfideCarbondioxideD、Carbonmonoxide【正確答案】：C37.AA001Thesmallestparticlethatcanexistindependentlyandmaintainthechemicalpropertiesoftheoriginalsubstanceis().AtomB、ProtonC、ElectronD、Molecule【正確答案】：D38.AA001Theblowingandventilationtimeformouth-to-mouth(ornose)resuscitationare()srespectively.A、1,2B、2,3C、3,4D、4,5【正確答案】：B39.AA001Incondensatetreatment,theH-OHmixedbedeffluentcontainsresin,whichisusuallytreatedby().A、reducethewaterflowrateB、increasetheregenerativedoseC、repairthedrainagedeviceD、backwashtheresinintheexchanger【正確答案】：C40.AA001Asaturatedsolutionwillbeconvertedintoanunsaturatedsolutionundertheconditionof().A、CoolingB、IncreasingsoluteC、IncreasingsolventD、Increasingpressure【正確答案】：C41.AA001Innaturalwater,thealkalinityofwaterismainlycomposedofthesaltsof().A、CO32－B、OH－C、HCO3－D、HSO4－【正確答案】：C42.AA001Theoutputofanionexchangeris280m3h,theoperatingflowrateis35mh,findthecross-sectionalarea()m2oftheexchanger.A、10B、8C、6D、4【正確答案】：B43.AA001Semi-permeablemembranesinnature().A、WidelyavailableB、ItdoesnotexistandneedstobemanufacturedC、OnlyexistsinanimalsD、onlyfoundinplants【正確答案】：A44.AA001Fortherotatingpartsofvariousbeltconveyorsandchainmachines,inadditiontoinstallingprotectivecovers,thereshouldalsobe().A、SafetyprotectiveropeB、ProtectivewireC、ProtectivepersonD、Protectivenet【正確答案】：A45.AA001Ingeneral,thejointformoflargediameterwatersupplysteelpipeis().A、sockettypeandflangetypeB、socketandweldC、flangetypeandweldingD、socket,flangeandwelding【正確答案】：C46.AA001Theprocessindicatorsthatneedtobemaintainedinchemicalproductionarecalled().A、MeasuredvalueB、SetvalueC、OutputvalueDeviationvalue【正確答案】：B47.AA001Thewateryieldofthereverseosmosismembraneistheratioofthewateryieldflowrateto().A、cleaningflowrateB、washflowrateC、concentratedwaterflowD、waterflow【正確答案】：D48.AA001Hydrazine(N2H4),alsoknownashydrazine,isacolorless()atroomtemperature.A、gasB、LiquidC、solidsD、uncertain【正確答案】：B49.AA001Toimprovethecoagulationeffect,selectinghigh-performancechemicalsbasedonthequalityoftherawwaterandcreatingsuitablechemicaland()conditionsarethetechnicalkeystocoagulationprocesses.A、ReactionB、SedimentationC、HydraulicD、Mixing【正確答案】：C50.AA001Inthefireanalysis,whenthelowerexplosivelimitofcombustiblegasislessthan4%,theanalysisanddetectiondata()%isqualified.A、<1.0B、<0.5C、<0.2D、<0.1【正確答案】：C51.AA001Thefollowingareoftemporaryhardness().A、CaSO4B、MgCl2Ca（HCO3）2D、CaCl2【正確答案】：C52.AA001Bytheaciditydefinitionofwater,()doesnotfallintotheaciditycategory.A、strongacidB、strongacidandweakalkalisaltC、weakacidD、weakacidandstrongalkalisalt【正確答案】：D53.AA001Whenaphenolphthaleinindicatorisusedtotitratethealkalinityofwater,theendPHofthetitrationis(),andthisalkalinityiscalledPhenolphthaleinalkalinityorP-alkalinity.A、4.1to4.3B、7.6~7.8C、7.9to8.1D、8.2to8.4【正確答案】：D54.AA001Ionexchangeresinregenerationabilityorregenerationperformance,usuallyexpressedby()etc.A、exchangecapacityB、regenerationdosekgC、regenerantconsumptionkgm3D、regenerantconsumptiongmol【正確答案】：D55.AA001Retain()thesievesizeoftheresinsample,calledtheeffectiveparticlesizeoftheionexchangeresin.A、80%B、85%C、90%D、95%【正確答案】：C56.AA001Undernormalprocessconditions,tomeettherequirementsofionexchangeresins,condensatewaterneedstobeheatexchangedtobelow()℃.A、30B、40C、50D、60【正確答案】：D57.AA001Theconcentrationofsodiumchloride,aregenerantinthedownstreamfixedbedfeedofsodiumionexchange,shouldbecontrolledat()%.A、0.1~1B、2to4C、4to6D、8to10【正確答案】：D58.AA001Inasodiumchlorideaqueoussolution,thesolventis().A、ChlorineB、SodiumC、SodiumchlorideD、Water【正確答案】：D59.AA001Thefollowingisnotpartofthechemicalwatertreatmentworkofthemaincontentis().A、domesticwaterproductionB、condensatewatertreatment,furnacewatertreatmentC、purificationofrawwater(watertreatmentoutsidethefurnace),watertreatmentD、returncondensateanddrainagetreatment,watervaporsupervisionandassurance【正確答案】：A60.AA001Thevolumecontentofnitrogenintheairis().A、75%B、79%C、85%D、70%【正確答案】：B61.AA001Whichpartsofthecylinderoftheplungertypemeteringpumparecomposedof().A、suctionvalve,dischargevalve,pistonB、turbinedrive,suctiontank,dischargetankC、diaphragm,suctionvalve,dischargevalveD、oilchamber,diaphragm,piston【正確答案】：A62.AA001AtPH=1,theconcentrationofH＋inwateris()molL.A、10B、1C、0.1D、0.01【正確答案】：C63.AA001Thefundamentalreasonforthegenerationofflowresistanceis().A、FluidhasviscosityB、RoughnessofthepipewallC、FlowratesizeD、Changeinflowdirection【正確答案】：A64.AA001Alow-pressurevalvereferstoavalvewithanominalpressureof()MPa.A、≤1.0B、≤1.6C、1.0~3.0D、1.0~5.0【正確答案】：B65.AA001Amongthefollowingwatertreatmentdisinfectionmethods,()isaphysicaldisinfectionmethod.A、ChlorinedisinfectionB、UltravioletdisinfectionChlorinedioxidedisinfectionD、Ozonedisinfection【正確答案】：B66.AA001Amongthefollowingsealingmethods,()isanon-contactseal.A、PackingsealandordinarymechanicalsealB、DrygassealandO-ringsealC、FloatingringsealandpumpwearringsealD、Floatingringsealandlabyrinthseal【正確答案】：D67.AA001Whenperformingweldingoperationsonstoragetanksthathavepreviouslycontainedacids,ammoniawater,andoil,theincorrectstatementis().A、Thetankshouldbewashedwithhotalkaliwater.B、Theirresiduescandecomposeathightemperaturesandformcombustibleexplosivemixtureswiththeairinthetank.C、Weldingcanbedonedirectly.D、Weldingcannotbedoneifnotcleanedproperly.【正確答案】：C68.AA001AtPH(),thesolutionisalkaline.A、≤7B、<7C、≥7D、>7【正確答案】：D69.AA001ThecorrosionproductsgeneratedbyfreeCO2corrosionare().A、SolubleB、InsolubleC、AcidicD、Alkaline【正確答案】：A70.AA001Thewaterqualityofthesourceiscertain,afterthefailureofthehydrogen-typestrongacidexchangecolumn,thehydrochloricacidregenerationsolutionisusedtoregenerate,ifthesodiumioncontentintheregenerationsolutionishigher,thesodiumionleakageconcentrationintheeffluentoftheexchangerafterregeneration().A、thelargerB、thesmallerC、ThesameD、bigandsmall【正確答案】：A71.AA001Themoisturecontentofion-exchangeresinsisgenerallybetween().A、20%to40%B、30to50percentC、40to60percentD、60%to80%【正確答案】：C72.AA001Theaveragecontentofcarboninpetroleumisgenerally().A、69%~74%B、74%~79%C、79%~83%D、83%~87%【正確答案】：D73.AA001Theincorrectprincipleforselectingfiltermediaforfiltrationequipmentis().A、SufficientmechanicalstrengthB、SufficientchemicalstabilityC、HightechnologycontentandexpensivepriceD、Uniformparticlesize,appropriategrainsize【正確答案】：C74.AA001Pedestriansinthefactoryshouldpayattentiontothewinddirectionandwindforcetopreventbeingharmedbytoxicgasesintheeventofanaccident.Incaseofanemergency,theyshoulddetour,stop,or().A、WalkwiththewindB、WalkthroughC、WalkagainstthewindD、Walkquickly【正確答案】：C75.AA001Whenadrumboilerwithsinglestageevaporationandsteampressureof5.9~12.6MPaistreatedwithphosphate,thecontentofphosphateinthefurnacewatershouldbecontrolledat()mgL.A、5~10B、2to10C、2to15D、1~2【正確答案】：B76.AA001Type201x7resinis()ionexchangeresin.A、strongacidB、WeaklyacidicC、strongalkalineD、Weaklyalkaline【正確答案】：C77.AA001Single-stagesodiumionexchangetreatment,whentherawwaterhardnessislessthan5mmolL,theresidualhardnessoftheeffluentislessthan()mmolL.A、0.03B、0.02C、0.01D、0.005【正確答案】：A78.AA001Thecommonconnectionmethodforsteelpipes,copperpipes,andplasticpipesis(),whichisnotapplicabletocastironpipes.A、ThreadedconnectionB、FlangedconnectionC、SocketconnectionD、Weldedconnection【正確答案】：D79.AA001Reverseosmosiscompositemembraneprofilemadeof()differentmaterials.A、onelayerB、ThesecondfloorC、thethirdfloorD、Thefourthfloor【正確答案】：C80.AA001Osmoticpressureisapropertyofasolutionthat,atacertaintemperature,increaseswiththeconcentrationofthesolution().A、constantB、DecreaseC、increaseD、increasefirstandthendecrease【正確答案】：C81.AA001Whenpurewaterandsaltwaterareseparatedbyanidealsemi-permeablemembrane,thewateron()sidewillspontaneouslyflowtotheotherside,aphenomenoncalledosmosis.A、SaltwaterB、PurewaterC、HightemperatureD、Thetemperatureislow【正確答案】：B82.AA001Anionexchangeresinscanbedividedintostrongbaseresinsandweakbaseresinsdependingon().A、reactionspeedB、InterchangeabilityC、ionizationdegreeD、PHvalue【正確答案】：C83.AA0014Analyzewatersampleswithtracesiliconcomponentsthatmustbecollectedusing().A、plasticbottlesB、WhiteglassbottlesConicalbottleD、Brownglassbottle【正確答案】：A84.AA001Therelativedensityofpetroleumgenerallyrangesbetween().A、0.45~0.65B、0.6~0.88C、0.80~0.98D、0.90~1.10【正確答案】：C85.AA001Industrialhydrochloricacidisyellowishmainlybecauseitcontains().A、ironionB、calciumionC、suspendedsolidsD、colloid【正確答案】：A86.AA001Surfacewaterisamoreconvenientsourceofwatersupply,anditsmainrechargesourceis().A、rainfallB、SurfacerunoffC、RainfallandsurfacerunoffD、infiltrationrecharge【正確答案】：C87.AA001Inopenequipment,whenthewatertemperaturerises,thesolubilityofvariousgasesinwaterwill().A、RemainunchangedB、IncreaseC、DecreaseD、Uncertain【正確答案】：C88.AA001Theacidgroupthatweakbasicanionexchangeresinscannotabsorbis().A、SO42－B、NO3－C、HCO3－D、HSiO3－【正確答案】：D89.AA001Accordingtotherequirementsofthe"GBT12145-1999WaterandSteamQualityforThermalPowerUnitsandSteamPowerEquipment,"aftercondensatewateristreatedbyahydrogen-typemixedbed,thesodiumindexis()μgL.A、≤0B、≤5C、≤8D、≤10【正確答案】：B90.AA001Theionexchangesofteningprocessusesexchangeableionsinthecationexchangeresintoexchangethewater()out.A、Ca2＋、Na＋B、Ca2＋、Mg2＋C、Mg2＋、Na＋D、Ca2＋、H+【正確答案】：B91.AA001The()ofthereverseosmosismembraneisincontactwiththewatersupplytoachievethedesaltingeffect.A、denselayerB、porouslayerC、supportlayerD、gridlayer【正確答案】：A92.AA001Thebasisforclassifyingalargenumberofatomsintodifferentelementsinchemistryis().A、SizeoftheatomicnucleusB、NumberofneutronsinthenucleusC、NuclearchargenumberD、Numberofelectronsoutsidethenucleus【正確答案】：C93.AA001Thefollowingchemicalwatertreatmentmethodsthatdonotfallunderoff-furnacewatertreatmentare().A、theremovalofsuspendedmatterandcolloidalimpuritiesclarification,filtrationandotherpretreatmentprocessB、removethesofteningofcalciumandmagnesiumionsinwaterC、removealldissolvedsaltsinthewaterdesalttreatmentD、coordinatedphosphatetreatment【正確答案】：D94.AA001Thesolubilityofanygasinwateris()tothepartialpressureofthegasatthegas-waterinterface.A、DirectlyproportionalB、InverselyproportionalC、ExponentialfunctionD、Logarithmicfunction【正確答案】：A95.AA001Amongthestatementsaboutseriescircuits,theincorrectoneis().A、Inaseriescircuit,thecurrentflowingthrougheachseriesconductoristhesameB、ThetotalvoltageinaseriescircuitisequaltothesumofthevoltagesacrosseachseriesconductorC、Inaseriescircuit,thevoltageacrosseachseriesconductorisalsothesameD、Inaseriescircuit,thegreatertheresistanceoftheseriesconductor,thehigherthevoltagedropacrossthatconductor【正確答案】：C96.AA001Thefeedwaterhardnessof3.8~5.8MPasteamdrumboilershouldbe()μmolL.A、≤0.5B、≤1C、≤2D、≤5【正確答案】：C97.AA001Thefractionwithaboilingpointlessthan()℃isusuallycalledthegasolinefraction.A、150B、180C、200D、250【正確答案】：C98.AA001Ifagravity-typevalvelessfiltercannotautomaticallybackwash,thefirstthingtocheckisthe()ofthesystem.A、ThesizeoftheinletflowB、TheheightofthewaterlevelinthebackwashtankC、ThetightnessofthesiphonsystemD、Thepositionoftheconicalbaffle【正確答案】：C99.AA001Accordingtointernationalregulations,thevoltagebelow()Vdoesnotrequireconsiderationoftheriskofelectricshock.A、36B、65C、25D、110【正確答案】：C100.AA001Inwaterpretreatmentprocesses,filtrationisan()purificationprocessandanimportantmeasuretoensurethesafetyofwatertreatmentequipment.A、IndispensableB、MustbeusedinconjunctionwithsedimentationprocessesCanbeoptionallyusedindesignD、Optional【正確答案】：A101.AA001Theionexchangeequilibriumistheequilibriumbetweentheionexchangereactionbetweenthesolidresinphaseandtheliquidphaseintheionexchangesystemunderacertain()andafteracertaintime.A、pressureB、TemperatureC、ResindensityD、Weight【正確答案】：B102.AA001Theprocessofremovingodorsandorganicsubstancesbyactivatedcarbonfiltersistheresultof()action.A、OxidationB、AdsorptionC、SievingD、Bridging【正確答案】：B103.AA001Thereisacertainmutualrestrictionrelationshipbetweensomewaterqualityindicators,mastertheserelationships,cannotsolvetheproblemis().A、canauditthewaterqualityanalysisresultsarereasonableB、speculateonthehypotheticalcompoundsthatmaybeformedbetweenthesolutionbardoandcationsC、EstimatetheamountofacertaincomponentinthesolutionD、reviewtheturbidityofthewater【正確答案】：D104.AA001ValvewithmodelnumberZ941T-10wherethenumber"9"indicatesthe()drivemode.A、wormgearB、pneumaticC、hydraulicactionD、electric【正確答案】：D105.AA001Acocurrentfixedbedfunnel-typeinletdevicehavingalargemouthareaofapproximately()%ofthecrosssectionoftheexchanger.A、2B、5C、8D、10【正確答案】：A106.AA001Asignificantcharacteristicofpetrochemicalproductionisthecomplexityoftheprocessandthestrictrequirementsfor().A、ProductsB、RawmaterialsC、OperationD、Temperature【正確答案】：C107.AA001Whenengagingin()operations,oil-resistantrubbershoesshouldbeworn.A、VariousoilsB、AcidandalkaliC、MachiningD、Inspectionandmaintenance【正確答案】：A108.AA001Thefirststepinon-sitefirstaidforacutepoisoningis().A、CallthepolicequicklyB、Call120foremergencyhelpquicklyC、QuicklymovethepatienttoaplacewithfreshairD、Performartificialrespirationquickly【正確答案】：C109.AA001Themembraneformusedforreverseosmosisroll-typemembraneelementsis().A、flatfilmB、FiberbundleC、TubularmembraneD、plateandframefilm【正確答案】：A110.AA001Torestoretheexchangeabilityoftheionexchanger,usethe()oftheionexchangereactionandrestoreitwitharegenerant.A、acidandalkaliB、ReversibilityC、SelectivityD、solubility【正確答案】：B111.AA001Thesolubilityofsodiumchlorideincreaseswithtemperature().A、slowlyriseB、RisequicklyC、SlowlydescendD、Fastdescent【正確答案】：A112.AA001Amongthefollowingtypesofpumps,()belongstotheimpellerpump.A、GearpumpB、CentrifugalpumpC、ReciprocatingpumpD、Jetpump【正確答案】：B113.AA001Inthepretreatmentofwater,theconventionalprocessflowis().A、Coagulation,sedimentation,filtrationB、Clarification,filtration,softeningC、Precipitation,clarification,filtrationD、Sedimentation,filtration,disinfection【正確答案】：A114.AA001Whenasteamturbineisrunningandthehardnessofthecondensatewaterexceedsthefirst-leveltreatmentvalue,itshouldberestoredtonormalwithin()hours,otherwise,themachineshouldbeshutdownfortreatment.A、8B、24C、36D、72【正確答案】：D115.AA001Whenthehardnessofthefeedwaterexceedsthestandard,thecorrecttreatmentmeasuresforthefurnacewatershouldbe().A、donotneedtobetreatedB、turndowncontinuousdischargeC、turnoncontinuousdischargeD、contactthewatertreatmenttoeliminatethefault【正確答案】：C116.AA001Theturbidityrequirementforfilteredwateris()FTU.A、≤10B、≤5C、≤3D、≤1【正確答案】：C117.AA001Underdesignconditions,afanwithanoutletpressurelessthan()Paiscalledaventilator.A、3000B、9000C、15000D、300000【正確答案】：C118.AA001Accordingtotheprincipleofelectricneutralityofcompounds,therelationshipbetweenthecationsandanionsinwater,thefollowingstatementiscorrect().A、thesumofthemolarconcentrationofeachcationisequaltothesumofthemolarconcentrationofananion(molarconcentration=equivalentconcentration)B、thesumofthemasspercentageconcentrationofcationsandanionsisequalC、thesumofthevolumepercentageconcentrationofcationsandanionsisequalD、therelationshipbetweenthetwoisuncertain【正確答案】：A119.AA001Indilutesolutions,strongbasicanionexchangersarehighlyselectivetothefollowingions().A、HCO3－B、SO42－CL－D、HSiO3－【正確答案】：B120.AA001Thefeedwaterofthereverseosmosisrolledmembraneelementflowsinthedirectionwiththemembranesurface().A、verticalB、ParallelC、TiltD、uncertain【正確答案】：A121.AA001Filtrationisaprocessinwhichsuspendedimpuritiesinwaterareinterceptedby()tofurtherclarifythewater.A、SupportlayerB、ColloidsC、FilterlayerD、Particles【正確答案】：C122.AA001Thepurposeofionexchangeresinregenerationistorestoreionexchangeresin().A、waterproductionB、totalexchangecapacityC、workingexchangecapacityD、balanceexchangecapacity【正確答案】：C123.AA001Naturalwaterthathasnotbeenpurifiedcontainsmanyimpurities,andthedirectentryofthiswaterintothewatervaporcirculationsystem(boiler,steamengine)willcausethefollowinghazards,ofwhichtheincorrectstatementis().A、thermalequipmentscalingB、corrosionofthermalequipmentC、SaltaccumulationinsuperheaterandsteamturbineD、Fuelsaving【正確答案】：D124.AA001Inchemicalproductionwater,thelargestproportionis().A、boilerwaterB、softeningwaterC、FirewaterD、Waterforcooling【正確答案】：D125.AA001Take1.0μgmlsilicaworkingliquid1.0mlanddiluteitto10mlwithhighpuritysilicon-freewater,thensilicaconcentrationis()μgl.A、100B、50C、20D、10【正確答案】：A126.AA001TheselectivitycoefficientKHLi=0.8indicates().A、TheselectivityofionexchangeresintoLi+islessthanthattoH+,whichiscalledunfavorablebalanceB、theselectivityofionexchangeresinforLi+isgreaterthantheselectivityforH+,calledfavorablebalanceC、theselectivityofionexchangeresintoLi+isequaltotheselectivityofH+,calledlinebalanceD、theselectivityofionexchangeresinforLi+islessthanthatforH+,whichiscalledfavorablebalance【正確答案】：A127.AA001ThesaltsthatreactwithweaklyacidicH-typeionexchangersare()constituents.A、SO42－B、NO3－C、HCO3－D、Cl－【正確答案】：C128.AA001ThetensilestrengthofepoxyfuranFRPshallnotbelessthan()MPa.A、60B、100C、200D、250【正確答案】：B129.AA001Thesubstancethatcannotbeusedtocleanequipmentis().A、SoapB、DetergentC、DishwashingliquidD、Gasoline【正確答案】：D130.AA001Amongthefollowingsubstances,theonethathasonlyoxidizingpropertiesis().A、PotassiumchlorateB、HydrogenionChlorinegasD、Concentratednitricacid【正確答案】：D131.AA001TheoxidationstateofsulfurinH2SO4is().A、+2B、+4C、+5D、+6【正確答案】：D132.AA001Non-carbonatehardnessaftersodiumionexchangetheproductis().A、alkalinesaltB、AcidsaltC、neutralsaltD、alkali【正確答案】：C133.AA001Ionexchangeisinthemovingphaseoftheexchangebandandisnotpresentinthethreelayerswheretheresinlayerisformed().A、theregenerationlayerB、failurelayerC、workinglayerD、unswitchedlayer【正確答案】：A134.AA001Theamountofsubstanceisaphysicalquantitythatindicatesthenumberof()inthesubstance.A、NumberofunitsB、NumberofbasicunitsC、NumberofallunitsD、Avogadro'sconstant【正確答案】：B135.AA001Theprotectionoftheearreferstotheprotectionof(A).A、HearingB、AuricleC、HeadD、Face【正確答案】：A136.AA001Therewillbeanincreaseinthe()ofwateraftersodiumionexchange.A、alkalicontentB、themolaramountofcationsC、acidcontentD、dissolvesolidmatter【正確答案】：D137.AA001Iftheelectricchargepassingthroughtheconductor'scross-sectionSintimetisQ,andtheconductor'sresistanceisRandvoltageisU,thenthecurrentintensityIshouldbe().A、I=QSB、I=QtC、I=UtD、I=QR【正確答案】：B138.AA001Thereisacloserelationshipbetweenfeedwatertemperatureandthereactionspeedofhydrazinedeoxygenation.Thehigherthetemperature,the()thereactionspeed.A、SlowsdownB、SpeedsupC、FirstincreasesthendecreasesD、Firstdecreasesthenincreases【正確答案】：B139.AA001Blowerscanbeclassifiedbyworkingprincipleinto().A、Mixed-flowblower,rotaryblower,axial-flowblowerB、Mixed-flowblower,centrifugalblower,rotaryblowerCentrifugalblower,axial-flowblower,mixed-flowblowerD、Centrifugalblower,rotaryblower,axial-flowblower【正確答案】：D140.AA001AtPH(),thesolutionisacidic.A、≤7B、<7C、≥7D、>7【正確答案】：B141.AA001Amongthefollowingstatementsaboutelectriccurrentintensity,thecorrectoneis().A、Themoreelectricchargepassingthroughtheconductor'scross-section,thegreaterthecurrentintensityB、Thefastertheelectronsmove,thegreaterthecurrentintensityC、Themoreelectricchargepassingthroughtheconductor'scross-sectioninaunitoftime,thegreaterthecurrentintensityintheconductorD、Sincecurrenthasdirection,currentintensityisavectorquantity【正確答案】：C142.AA0015.9~12.6MPasteamdrumboilerfeedwaterPHvalue(25℃)rangeshouldbe().A、8.8~9.2B、8.5~9.2C、8.2to9.0D、8.0to9.5【正確答案】：A143.AA001Thefollowingofpermanenthardnessare().A、Ca（HCO3）2B、Mg（HCO3）2C、Na2CO3D、CaSO4【正確答案】：D144.AA001Atroomtemperature,asubstancethatcandissolvemorethan()gin100gofsolventiscalledahighlysolublesubstance.A、1B、5C、10D、100【正確答案】：C145.AA001Indilutehydrochloricacidsolution,the()ionsinwateraredepolarizers.A、H+B、CL-C、OH-D、Na+【正確答案】：A146.AA001Ifthedissolvedoxygeninthefeedwaterexceedsthestandardduetopooroperatingconditionsofthedeaerator,thenecessarytreatmentmethodis().A、ScheduledeaeratormaintenanceB、ContacttheturbinedepartmenttocheckforleaksandblockthemC、AdjusttheoperatingconditionsofthedeaeratorD、Contactwatertreatmenttoeliminatefaults【正確答案】：C147.AA001Therearethreestagesofresinlayerchangeintheionexchangeprocess,theonedescribedincorrectlybelowis().A、theformationstageoftheexchangebandB、theexchangestageoftheexchangebeltC、themovingstageoftheswitchingtapeD、thevanishingstageoftheswitchingband【正確答案】：B148.AA001Ifanelectricaldevicecatchesfire,inapermissiblesituation,thefirstthingtodoisto().A、ShoutloudlyB、CallthealarmnumberC、FindasuitablefireextinguishertoputoutthefireD、Cutoffthepowersupply【正確答案】：D149.AA001Thesaltsinwater,(),aresubstancesthatformhardness.A、Ca2＋、Na＋B、Ca2＋、Mg2＋C、Mg2＋、K+D、Na＋、K+【正確答案】：B150.AA0011engineeringatmosphereisequalto()Pascals.A、1.013×105B、1.013×104C、1.013×103D、1.013×102【正確答案】：A151.AA001Theboilerwithdehydratedwaterasthemake-upwater,theboilerpressureis5.9~15.6MPa,andthechlorideioncontentofthefurnacewatershouldnotbehigherthan()mgl.A、10B、9C、4D、2【正確答案】：C152.AA001Anymeasurementresultcanbetracedbackto()throughacontinuouschainofcomparisons.A、MeasurementerrorB、MeasurementunitC、MeasurementstandardD、Truevalue【正確答案】：C153.AA001Metalsealedbutterflyvalveduetothesmallelasticityoftheseal,generallyuse()structuretoimprovethesealingeffect.A、rotationB、StretchC、sphericalD、eccentric【正確答案】：D154.AA001Non-carbonatehardnessafter