第1題Howlongistheaccidentnon-interventiontimeofpassivesafetytechnology？A30hoursB12

hoursC24

hoursD72

hours第2題Thepassivesafetysystemconsistsof()APassivewasteheatremovalsystemBPassivecorecoolingsystemCPassivesafetyinjectionsystemDPassivecontainmentsprinklersystemEEmergencyresidencesystemforpassivemaincontrolroomFPassivecontainmenthydrogencontrolsystemGPassivecontainmentPHcontrolsystemHAutomaticpressurereductionsystem正確答案：ABCDEFGH第3題Whatarethepassiveandsafeenergysources()ANaturalconvectionBgravityCNegativefeedbackDConcentrationdifferenceEPressureaccumulationFGasexpansion正確答案：ABCDEF第4題Whataretheadvantagesofpassivesafetytechnology()ALowhumanerrorrateB72hoursofnon-interventiontimeCHighsystemreliabilityDNoneedforsafety-levelemergencypowersupplyEHigheconomyFBlockconstruction正確答案：ABCDEF第5題Comparedwithactivesafetytechnology,whatarethepossibledisadvantagesofpassivesafetytechnology?ALowdrivingforceBStartslowlyCLowreliabilityDPooreconomy正確答案：AB第6題Passivesafetytechnologydoesnotrequireenergy第7題Passivesafetytechnologyisbetterthanactivesafetytechnology第8題Activesafetytechnologyandpassivesafetytechnologyarenotcompatible第1題Thecoolantflowthroughthecoreisgenerallygreaterthanthecoolantflowprovidedbythemainpump,whichisduetotheexistenceof()ARecirculationpumpBCondensatepumpCSteamturbineDFeedwaterheater第2題Onemaindifferencebetweenpressurizedwaterreactorandboilingwaterreactornuclearpowerplantisthatthereisno()ASteamgeneratorBReactorcoreCContainmentDModerator第3題Boththehigh-pressurewaterinjectionsystemandthelow-pressurewaterinjectionsystemintheemergencycorecoolingsystemuse(),whilethecoreisolationcoolingsystemuses()AElectricpumpBPneumaticpumpCNopump正確答案：AB第4題Theemergencycorecoolingsystemincludes()ACoreisolationcoolingsystemBHighpressurecorespraysystemCLowpressurecorespraysystemDWasteheatremovalsystem正確答案：ABCD第5題Theboilingwaterreactorcoreisboiling,sothecoolantflowingthroughthecoretakesmoreheat.Thisisdueto____,sounderthesamethermalpowercondition,theboilingwaterreactorflowrate

____pressurizedwaterreactorflowrate.正確答案：:Latentheatofvaporization正確答案：:Lessthan第6題Whentheboilingwaterreactoradjuststhepowerchange,itcanberealizedby

____withoutthecontrolrod.正確答案：:Vacuoleeffect第7題Thebiggestdifferencebetweenboilingwaterreactorandpressurizedwaterreactoristhatthesteamproducedbyboilingwaterreactordirectlyentersthesteamturbinetoperformwork.第8題Inthelatestdesign,thereisasimplifiedeconomicalESBWR,whichadoptsafullnaturalcirculationdesignandcompletelyeliminatesthebuilt-inpump.Chapter4ChapterTest第1題IntheFukushimanuclearaccident,whatwasthemainreasonforthepoweroutageofthewholeplant()ANotenoughemergencygeneratorsBOff-siteelectricitysupportisnottimelyenoughCThedistributionsystemisfloodedDThetornadocutthewires第2題Whichunitshavehydrogenexplosions?AFirstunitBSecondunitCThirdunitDFourthunitEFifthunitFSixthunit正確答案：ACD第3題Nuclearincidentsaredividedinto7levels.ThepreviousThreeMileIslandaccidentlevelwas()levelandtheChernobylaccidentlevelwas()level.A4B5C6D7正確答案：BD第4題Whenanaccidentoccurs,whataretheunitsinthenormaloperationstage()AFirstunitBSecondunitCThirdunitDFourthunitEFifthunitFSixthunit正確答案：ABC第5題Thefourthunitwasundermaintenancewhentheaccidentoccurred,andthefuelassemblywasinthespentfuelpool第6題TheFukushimanuclearaccidentwascausedbytheruptureofthecontainmentvesselcausedbytheearthquake第7題The“failuresafety”principleoftheFukushimanuclearpowerplanthasplayedanimportantroleinprotectingtheexpansionofaccidents第8題Sincethedischargewindowofthesecondunitbuildingwasopened,hydrogendidnotaccumulate,sotherewasnohydrogenexplosion第9題Afterthepressureofthethirdunitbuildingcontinuedtorise,thestaffusedlowpressuresafetyinjectionintimetosuccessfullycoolthecoreChapter7ChapterTest第1題Steady-stateflowreferstotheflowoftime-varyingparameters

____intheprocessoffluidflow;stableflowreferstothefactthatwhenthesystemissubjectedtoaslightdisturbance,itwillnotdeviatefromtheoriginalstateandthesystemcanreturntotheinitialstablestate正確答案：:don'tfollow第2題Thehazardscausedbyflowinstabilityinclude:________________。正確答案：:Mechanicalvibration正確答案：:Reactorcontrol正確答案：:Partialrefueling正確答案：:Materialthermalfatigue第3題Thebasiccharacteristicofstaticflowinstabilityisthatafterthesystemundergoesaslightdisturbance,itwillspontaneouslytransferfromtheoriginalstableflowoperatingpointtoanotherstableflowoperatingpointorasmallfluctuationoperatingpoint.第4題Intheprocessoftwo-phaseflow,dynamicflowinstabilityispronetooccuratthetransitionpointoftheflowpattern—bubblyflowandannularflow.第5題Thefirsttypeofdensitywavepulsationinnaturalcirculationflowinstabilitymainlyoccursinareaswherethefluidisoflowdryness.Chapter8ChapterTest第1題Therequirementsforstructuralmaterialsinnuclearreactionengineeringare()AGoodphysicalandmechanicalpropertiesBWithstandthereactoranditsharshenvironmentCHightemperature,largetemperaturedifferenceandstrongradiationfieldDHasasmallneutroncapturecrosssection正確答案：ABC第2題Radiationinthereactormainlycontains()AalphaandbetaparticlesBgammaraysCNeutronsandfissionproductsDX-ray正確答案：ABC第3題Thecreepofamaterialreferstothe____causedbyaconstantloadataconstanttemperature.正確答案：:slowcontinuousplasticdeformation第4題Themechanicalpropertiesofreactorstructuralmaterialsthatweareconcernedaboutinclude:____,____,____,etc.正確答案：:?toughness正確答案：:fatiguestrength正確答案：:creep第5題Aseriesofcollidednucleiproducedbyahigh-energyparticleareusuallyconcentratedalongtheinitialmovementdirectionoftheparticle,andthisinfluencezoneiscalledthe

____.正確答案：:displacementpeak第6題Materialhardeningandembrittlementcausedbyparticleirradiationincludetheformationof____and____inthecrystallattice.正確答案：:vacancies正確答案：:nucleartransmutation第7題Theyieldstrength,tensilestrength,brittletransitiontemperature,toughnessandimpactstrengthofmetalswillincreaseunderfastneutronirradiation.第8題Metalmaterialsotherthanfuelmainlyreceiveirradiationfromalphaparticles.Chapter9ChapterTest第1題Whatfactorsshouldbeconsideredwhenchoosingcoolantformoltensaltreactor?ALowmeltingpoint,highboilingpointBSmallneutronreactioncrosssectionCGoodfuelcompatibilityDExcellentradiationperformanceElowcost正確答案：ABCDE第2題Thereactortypesofthefourth-generationreactorsincludeultra-hightemperaturegas-cooledreactors,gas-cooledfastreactors,____,____,____

and____.正確答案：:sodium-cooledfastreactors正確答案：:lead-cooledfastreactors正確答案：:moltensaltreactors正確答案：:supercriticalwaterreactors第3題Inthefourth-generationreactor,thereactortypethatrequiresadditionalmoderatorsisthe____,andthemoderatorusedis____.正確答案：:ultra-hightemperaturegas-cooledreactor正確答案：:solidgraphite第4題Amongthefourth-generationreactors,thereactortypesthatuseclosedfuelcyclesare____,____,

____,and____.正確答案：:moltensaltreactors正確答案：:gas-cooledfastreactors正確答案：:sodium-cooledfastreactors正確答案：:lead-cooledfastreactors第5題Thecoolantsthatcanbeusedasgas-cooledfastreactorsareheliumand____,whicharecharacterizedbygoodcompatibilitywiththematerialsinthereactor,smallneutronabsorptioncross-section,highoutlettemperature,

____S-CO2density,andeasycompression,Thetemperaturerequiredforthecycledoesnotneedtobetoohightobeasefficientastheheliumcycle.正確答案：:S-CO2正確答案：:high第6題Amongthefourth-generationreactors,thereactortypesthatusedifferentfuelformsare

____

and____.正確答案：:ultra-hightemperaturegas-cooledreactors正確答案：:moltensaltreactors第7題Forthefourthgenerationreactor,thegreaterthereactionpower,thebettertheeconomy.Chapter10ChapterTest第1題Thepotentialapplicationrequirementsofnuclearenergyare().AShipreactorBFloatingnuclearpowerplantCDeepseaspacestationDUUVELargeaerostat正確答案：ABCDE第2題Whataretheinevitableapplicationsofmarinenuclearpowerreactors?Amycountry'socean-goingcapabilitiesareweak,andshipenduranceisinsufficientBLackofoverseasbases,difficulttosupplyCMarineactivitiesarestrengthened,and