核電廠系統(tǒng)及其設(shè)備復(fù)習(xí)題

精選優(yōu)質(zhì)文檔-----傾情為你奉上精選優(yōu)質(zhì)文檔-----傾情為你奉上專心---專注---專業(yè)專心---專注---專業(yè)精選優(yōu)質(zhì)文檔-----傾情為你奉上專心---專注---專業(yè)核電廠系統(tǒng)及其設(shè)備復(fù)習(xí)題一、根據(jù)系統(tǒng)圖，簡要解釋核能發(fā)電原理。二、名詞解釋1）質(zhì)能關(guān)系2）裂變3）臨界狀態(tài)4）反應(yīng)性5）半衰期6）一回路7）PWR8）蒸汽發(fā)生器9）穩(wěn)壓器三、選擇題1.Thenuclearpowerstationprovides___fortheutilitygrid.expensiveelectricity baseloadpeakload fullload2.__specifythestepsrequiredtogofromoneoperatingstatetoanother.ThecodesTheNRCTheoperatorsTheprocedures3.Whenlargedecreaseinturbineloadthesteamfromthesteamgeneratorsissenttothe__.steamcondenseratmospheresteamdumpsystemheatexchanger4.Anexcessofcoolantinventorycanresultina___.powerincreasetemperatureincreasereactortripturbinetrip5.Followingthecoastdownofthecoolantpumps,thecoreresidualheatwillberemovedby___.condensersnaturalcirculationboilingheattransferemergencypower6.Theoperationofanuclearplantis___thanoperatingamodernfossilfuelpowerstation.easiermoredifficultrathermorecomplex7.Theheatistransferredbythereactorcoolantfromthecoretothe___.cecondaryloopoutletnozzlessteamgeneratorspressurizer8.Thefuelrodprovides___totheescapeoffissionproducts.twobarriersthreebarrierssealsabarrier9.TheCEAguidetubesaremadeof__.stainlesssteelceramiczircaloyB410.Theheliuminsidethefuelcladdingimprovesthe____.characteristicgapheatconductivitygapheatconvectioncladstrain11.TheCEAguidetubesarearranged___.inthefuelassemblyaroundthefuelassemblyinthecenteroffuelassemblyoutsidethefuelassembly12.Thecoolantcan___throughtheguidetubes.notflowbeflowpass13.There___steamgenerator(s)ineachprimaryloop.isonearetwoarethereisno14.Atthetopofthetubebundleshroud,___aremounted.eggcratessteam-waterseparatorsplatesbaffles15.There___inthesystem80+steamgenerator.isonefeedwaterinletaretwofeedwaterinletsarethreefeedwaterinletsaremanyfeedwaterinlets16.Theflywheelonthemotoristoprovide___.energywatercoastdownflowtorque17.Thetemperatureofthewaterinthesealassemblyismaintainedwithinacceptablelimitsby___.wateroilsteamwaterandoil18.Inaccordancewiththecoolanttemperatureprogram,theaveragereactorcoolanttemperatureis____whensteamdemandisincreased.constantfallraisedhigh19.Inpressurizedwaterreactorswaterisusedas___.moderatorcoolantbothaandbneitheranorb20.ThethermalefficiencyofPWRsis___.morethan40%about30%lessthan10%about70%21.Thespacebetweenthereactorvesselandthecorebarrelisthe___.fuelrodscontrolrodsdowncomerplenum22.TheECCSisprovidedto___.coolthecorecontrolreactivitycontrolvolumedrivepump23.Thereare___successivebarriersinPWRtopreventradioactivityescape.twothreefourfive24.Thecontainmentenclosethe_____.reactorreactorandpressurizerprimarysystemandsecondarysystementireprimarysystem25.Fromthetextthesafestnuclearpowerplantmaybea__.expensiveonecheaponebigonesmallone26.Followingadecreaseinturbineload,thewaterpressureandtemperatureinthereactor__.willincreaseincreasedecreasewillbeunchanged27.Atemperaturedecreaseofreactorvesselwaterresultsinan___.insertionofcontrolrodspowerdeceasepowerincreaseincreaseofreactivity28.Lossofpowerisa___.upsetconditionabnormalincreasereactortripreactorshutdownaccident29.Inadvertentauxiliaryspraywillresultin____.temperaturedecreasepowerdecreasepressuredecreaseabnormalcondition30.Thelong-termcontrolofcorereactivitymeansadjustmentof____.controlrodsboricacidpoweroutputcoolant31.Theburnableabsorberrodassemblyprovidesthecapabilityofhighabsorberstrength__.inallitslifeatthebeginningofrefuelingattheendofrefuelingcycleduringoperation32.Thefuelassembliesusedinareactorare__.similardifferentthreetypessame33.Inthefuelrodthespringissetonthe___.pelletcolumnspacerdiscendcaptop34.TheCEAguidetubesareweldedtothe___.spacergridslowerendfittingscontrolrodsendcap35.Thefuelspacergridsaremadeof__.stiffarchesspringsplateszircaloystrips36.Afterlongtimeradiationtheboroncarbidewill___.decreaseinmassbeswellingincreaseinmassbedissipated37.Theeconomizerincreasesthecoldlegside___beforecoolantleavingthesteamgenerator.flowratetemperaturetemperaturedifferencerelativeflow38.Thewaterfromthesteamseparatorsflowsdownintothe___.economizershroudbundleevaporatorsection39.Inthedowncomerthewateris___.saturatedboilingverycoldsubcooled40.Thepumpisconnectedwiththemotorbya___.diaphragmtubecouplingcasing41.___pressurizerheatersareconnectedtoproportionalcontrollers.AfewTheremainingMostoftheMany42.Thefluidfromeconomizersectionis___.two-phaseflowboilingwatersubcooledwatersaturatedwater43.Theamountofheatthathasbeenconvertedinsteamturbineis___thatremovedincondenser.morethanlessthansameassimilarto44.Thehotprimaryfluidexchangesitsheatwiththesecondaryfluidinthe__.pressurizercondenserheadersteamgenerators45.Residualheat-removalsystemremovethedecayheatfromthecore___.duringplantoperationafterplantshutdownduringstart-upduringtransientcondition46.The___isconnectedtothespentfuelpondbytransfercanal.containmentpressurevesselpipereactorcavity47.Oneoftheimportantfactorsinfluencingcont