核电专业英语试题库来自工程公司

1核电专业英语试题库Lesson1ThebasicConceptsforNuclearPhysics1.Anucleoniscomposedofprotonsandneutrons,andconstitutespracticallyallthemassoftheatom.（）key:×type:judgmentquestion2.Inthenuclearreactionsmassandenergyisinterchanged.()key:√type:judgmentquestion3.Capturinggammaradiationisaresultoffission.()key:×type:judgmentquestion4.Thebindingforceactsonlywhenthenucleonsare()A.largeB.closetoeachotherC.similarD.excitedkey:Btype:single-choicequestion5.AtomshavingthesameatomicnumberZ,butdifferentnumbersofneutronsNarecalled()oftheelement.A.nucleiB.isotopesC.unitsD.masseskey:Btype:single-choicequestion6.Theexcitednucleibecomede-excitedbyemissionof()A.-raysorparticlesB.X-raysC.energyD.deuteronskey:Atype:single-choicequestion7.Theprotonsandneutronsarecalled()A.nucleiB.isotopesC.nucleonsD.atomskey:Ctype:single-choicequestion8.Fissioninuranium-238canbecausedbyneutronsof()A.iseasyB.canbecausedbyneutronsof0.1MevC.canbecausedbyneutronsof1.5MevD.neverrealizekey:Ctype:single-choicequestion9.()areemittedduringfissionandthepossibilityofachainreactionisrealized.A.ElementsB.FragmentsC.-raysD.Neutronskey:Dtype:single-choicequestion10.Whicharethefissilenucleiamongthefollowingisotopes?()A.233UB.235UC.239PuD.238Ukey:A,B,Ctype:multiple-choicequestionLesson2Radiation11.The-rayshasmanycharges.（）key:×type:judgmentquestion12.Lowenergyneutronsusuallyinteractwithnucleusmoredifficultthanhighenergyneutrons.()key:×type:judgmentquestion13.Inthephotoelectriceffect,thephotonis().A.producedB.foundC.eliminatedD.increasedkey:Ctype:single-choicequestion14.Betaparticlespresents()shieldingproblem.A.noB.noseriousC.aD.seriouskey:Btype:single-choicequestion15.Whenradioactiveisotopesdecaythe()areformed.A.protonsB.daughterproductsC.radioactiveisotopesD.neutronandelectronkey:Btype:single-choicequestion16.Alphaparticlescan()theouterlayerofskinofthebody.A.penetrateB.passC.beacceleratedD.bestoppedbykey:Dtype:single-choicequestion17.Betaparticlesarecapableofproducing()astheypenetrateasubstance.A.largeamountsofionizationB.energyC.photonsD.particleskey:Atype:single-choicequestion18.Alphaparticlesare()intheirmotionthanelectrons.A.fasterB.slowerC.heavierD.lessreadilydeflectedkey:Dtype:single-choicequestion19.Theinteractionbetweengammarayswithmatterincludes().A.photon-electronscatteringB.SlowingbyatomsC.photoelectriceffectD.electron-positronproductionkey:A,C,Dtype:multiple-choicequestion2Lesson3NuclearReactions20.Weletthemacroscopiccrosssectionbelabeled.（）key:√type:judgmentquestion21.Theenergyreleasedinnuclearreactionisaboutamilliontimesasgreatasforthechemicalreaction.()key:√type:judgmentquestion22.Thereareseveralsimilaritiesbetweennuclearandchemicalreactions,suchas()A.thesameenergyreleasedB.conservationofchargeC.conservationofparticles’numberinvolvedD.conservationofmass-energykey:B,C,Dtype:multiple-choicequestionLesson4NuclearMaterials23.Hydrogenanddeuterium,beinggases,aresuitablemoderators.（）key:×type:judgmentquestion24.Boronisthemostcommonmaterialsforcontrollingreactors.()key:√type:judgmentquestion25.Berylliumasfuelcladding()inpowerreactor.A.isusedB.useC.hasbeenusedD.hasn’tbeenusedkey:Dtype:single-choicequestion26.Liquidmetalsarepotentiallyexcellentreactor()A.moderatorB.structurematerialC.coolantD.materialkey:Ctype:single-choicequestion27.Uraniumdioxidecan()highburnups.A.nottobeusedB.beusedtoC.usetoD.beusedwithkey:Btype:single-choicequestion28.Duringcommonreactoroperationzirconium()steam.A.reactedwithB.cannotreactwithC.canreactwithD.cannotbereactedkey:Btype:single-choicequestion29.Uraniumin()formcanbeusedasfuelmaterialforwatercooledreactors.A.pureuraniumB.uraniumdioxideC.uraniumhexafluorideD.uraniumcarbidekey:A,B,Dtype:multiple-choicequestion30.Thechoiceofmoderatorforthermalreactorsismainlylimitedtothefollowingmaterials:()A.waterB.berylliumC.heavywaterD.graphitekey:A,C,Dtype:multiple-choicequestion31.对热堆而言，水作为慢化剂显然是一种最显而易见的，同时水还能作为冷却剂。它有优秀的慢化性能，因此用水作慢化剂的热堆，比其它的热堆有更紧凑的堆芯结构。key:Waterisanobviouschoiceforthemoderatorofthermalreactor,anditcanalsoserveasthecoolant.Ithasexcellentneutronslowingdownpropertieswhichenablewatermoderatedreactorstohavemuchmorecompactcoresthanarepossibleinothertypesofthermalreactors.type:translation32.不同形式的铀是核反应堆中最常用的一种燃料。它既可以以金属铀形式使用，也可以以铀的化合物，如二氧化铀或碳化铀的形式使用。key:Uraniuminoneformoranotherisbyfarthemostcommonfuelmaterialfornuclearreactor.Itcanbeusedeitheraspureuranium,ametal,orasacompoundsuchasUO2orUC.type:translationLesson5TheTheoryofNuclearReactor33.Uranium-238andthorium-232aregoodfissilematerials.（）key:×type:judgementquestion34.Ifthemultiplicationfactorislessthanonethereactorissupercritical.()key:×type:judgementquestion35.InthePWR()isnecessarytoachievecritical.A.uraniumB.naturallyuraniumC.highenricheduraniumD.slightlyenricheduraniumkey:Dtype:single-choicequestion36.Thefastreactorcontainno().A.uraniumB.moderatorC.coolantD.thermalneutronkey:Btype:single-choicequestion37.Ifthebreedingratioismuchless1,then()isusedup.A.mostoftheavailableuraniumB.nouraniumC.alotofuraniumD.onlyafractionoftheavailableuraniumkey:Dtype:single-choicequestion38.Whenthefirstfuelcha