能源与动力工程专业英语学习通超星期末考试答案章节答案2024年

能源与动力工程专业英语学习通超星期末考试章节答案2024年Eachcrystalshouldhaveashapeasmuchlikethat()theothercrystalsaspossible.

答案:ofDrawingelectronsawayfromtheatomcauses（）tohaveanetpositiveelectriccharge.

答案:itAcapacitorisusedtoeliminatesparkingwhenacircuitcontaininginductanceissuddenlyopened.

答案:isInan（）application,thisorganizationusesafingerprintscannertomonitorthecomingsandgoingsofitsresidents.

答案:unusualYoumustpayattentiontotheworkingtemperatureofthemachine.

答案:错Attentionmustbepaidtotheworkingtemperatureofthemachine.

答案:对Equalprincipalandinterestrepaymentisapplicabletotheestimationoffixedassetloaninterestforprojectswithpoorinitialbenefits.

答案:错Theshadowpriceistherealpriceofthecommodityandanindispensableparameterinfinancialevaluation.

答案:对Thenationaleconomicassessmentmainlyanalyzestheactualnetcontributionoftheprojecttothestrategicgoalsofnationaleconomicdevelopmentandsocialwelfare.

答案:对Marketanalysisismainlytoanalyzethesupplysituationandchangingtrendoftheproductstobeproducedbytheproject.

答案:错Thecorporatecreditevaluationissupplementedbyquantitativeanalysis,qualitativeanalysisasthemain,staticanalysisasthemain,anddynamicanalysisastheauxiliary.

答案:错Ifthehighpressureisrelativelyhighandthelowpressureisrelativelylowduringthelowpressurealarmofthespecialairconditioner,itcanbejudgedthatBrokenaspipelineblockage

答案:对Freon22willproduceasmallamountofhydrochloricacidwhenitmeetswater

答案:对Thespecialairconditionerhumidificationtankforthecomputerroomgenerallyhas4electrodes,whicharerespectivelyconnectedto3-phaseelectricityandzeroline.

答案:对Thefunctionofthephasesequenceprotectorintheairconditioneristopreventthereversephaseofthecompressorfromcausingthecompressortoreverseandprotectthecompressormachine

答案:错Thespecialairconditionerforthecomputerroomcannotoperateinacoolingstateallyearround

答案:对Theairinthecompressorofthegasturbineiscompressed,thespecificvolumeisincreased,andthepressureisincreased.

答案:错Underreversibleambitionconditions,thethermalcycleofthegasturbineiscalledtheLongencycle.

答案:错Thethermalcycleofthegasturbineismainlycomposedoffourprocesses:thecompressionprocessinthecompressorandcombustion.Combustionheatingprocessinthechamber,expansionprocessinturbine,andexothermicheatinexhaustsystemTheprocess.

答案:对Theresultoftheisopressuredeheatingprocessofthecombustionengineistoreleaseheatenergyfromtheoutsideworldandthetemperatureofthegas.Graduallyloweredtotheinitialstateofthecompressorinlet.

答案:对EVAusedinsolarcellmoduleshasgoodadhesionandelectricalconductivity

答案:错Atpresent,thesolarcellmaterialofphotovoltaicenterprisesisthinfilmmaterial

答案:错ThepreparationofCIS(copperindiumselenide)batteryfilmisonlybyvacuumevaporationmethodandselenizationmethod

答案:对Thetidalenergyreferstothekineticenergyandpotentialenergyofthewaterformedbytherisingandfallingtidesofseawater

答案:对Thenominalpoweronthesolarcellmoduleisthemaximumvoltageofthesolarcell

答案:错Photothermalutilizationisoneoftheearliestformsofhumanuseofsolarenergy,suchasdrillingwoodtomakefire

答案:错Galliumarsenidematerialisanon-toxicpollutionphotoelectricmaterial

答案:错TheproductionmethodofsinglecrystalsiliconrodisonlytheCzochralskimethod

答案:错In1945,BellLabsintheUnitedStatesdevelopedapracticalmonocrystallinesiliconsolarcellwithaphotoelectricconversionefficiencyof6%.

答案:错Maintenancepersonnelareprohibitedfromusingpressureheatingpipestohangheavyobjects.

答案:对Heatcanonlyflowfromthehightemperaturesidetothelowtemperaturesidefluidinonedirection.

答案:对Whentheheatexchangerisoutofservice,themediumonthelowtemperaturesideshouldbestoppedfirstandthenthemediumonthehightemperaturesideshouldbestopped.

答案:错Aftertheheatexchangerisoutofuse,theinternalwatershouldbereleasedtoavoidtwo-phasecorrosionofwaterandair

答案:对Ifthewaterwalltuberuptures,thefurnacemustbeshutdownurgently.

答案:对Whenthesealofthepressuregaugeisdamaged,thepressuregaugeshouldbestopped.

答案:对Conductionreferstothewayofheattransfergeneratedbythethermaloperationofparticleswhenthereisnorelativedisplacementbetweenthevariouspartsoftheobject.

答案:对Watersolidifiesfromaliquidstatetoasolidstate,whichrequiresendothermiccompletion.

答案:错Becausethereisnoevaporationinthehotwaterboiler,scalewillnotformontheheatingsurface.

答案:错Whenoverhaulingthesodaandfumeairsystem,publicsewagedischargeandhydrophobicsystem,thedoor,gateandbafflethatshouldbeclosedmustbestrictlyclosed.Lockandhangawarningsign.Ifthecut-offdoorisnotstrict,youmusttakeacut-offinfrontoftheshutdownandlockawarningsignortakeothersafetymeasuresapprovedbythedivision.

答案:对Theoverhaulofflammable,explosiveorpotentiallypoisoningsystemssuchashydrogen,gas,naturalgasandoilsystemsmustbestrictlycontrolled.Immediatelyafterthecut-offdoor,immediatelyinstallaplugplateontheflangeandensu

Cutoff

答案:对Ifyoufindanyproblemswhenreviewingtheworkticket,youshouldaskthepersoninchargeclearly.Ifthereareerrorsorimportantomissionsinsecuritymeasures,theworkticketwillbeissued.Thepersonshallreissuetheworkticket.

答案:对Duetochangesinoperatingmethods,someoftheservicedequipmentwillbeaddedtotheruntime,andtheworkticketshouldbereissuedandthelicensingprocessshouldbereviewedagain.

答案:对There()essentiallythreemethodsofapplyingfanstoboilerunits:

答案:A.are

Balanceddraft.Aforced-draftfandeliversairtothefurnaceandaninduced-draftfarorastackproducesthedrafttoremovethegasesfromtheunit.Thefurnaceismaintainedat0.05to0.10inofwater(gaugebelow(

)pressure.

答案:atmosphericItislighterandlessbulkythanthepistonengineanditcanbebuiltinlargersizestogivehigherpowersfromsinglepowerunits.Forallthesereasons,theuseofgasturbinesisincreasingforallformsotransportonlandbyseaandintheair.

答案:increasingThisisaformof（）combustionengineinwhichairheatedbyburningfuel,expands,andindoingsoismadetoturnaspeciallyshapedwheel(theturbinewheel)directly.instead(

)pushingpistonsupanddownasinthereciprocatingengine

答案:internal,ofsuchanapproachissimilartothatofconductivitytodecreasefasterthantheincreasedcomponentofthe()conductivitydueagiventemperatureintervalandworkingaconductionproblemasthoughthematerialhada()thermalconductivity

答案:thermal

,

constantIfitisallspeculartheanglemadebythereflectedbeamwiththenormaltothesurf