机械专业英语试题及答案.docx
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机械专业英语试题及答案
专业
班级
学号
姓名
教研室主任
(签字)
学院院长(系主任)
(签字)
XX交通大学试卷
2009~2010学年第2学期
课程机械工程专业英语
课程性质(□必修□限选□任选)考试方式(□闭卷□开卷)
一、选择题(在每题四个备选答案中选出一个正确答案,本大题共15小题,每小题1分,总计15分)
1.Ifallpointsinalinkagemoveinparallelplanesthesystemundergoesplanarmotionandthelinkagemaybedescribedasa.
A.planarmotionB.planarlinkageC.jointsD.slide
2.Thoughframematerialanddesignshouldhandledamping,aresometimesbuiltintoframesectionstohandlespecificproblems.
A.beamsB.holesC.dampersD.screw
3.Themaximumallowabledeflectionofashaft______determinedbycriticalspeed,gear,orbearingrequirements.
A.oftenB.mustC.wasD.isusually
4.Wewillhaveto_____tobetterandbettersolutionsaswegeneratemoreinformation.
A.repeatmanytimesB.iteratingC.iterateD.tryways
5.Ifaproductconfigurationis_______specifiedandthenexaminedtodeterminewhethertheperformancerequirementsaremet.
A.finallyB.tentativelyC.temporaryD.havebeen
6.Manufacturingcanbedefinedasthe_____ofrawmaterialsintousefulproductsthroughtheuseoftheeasiestandlest-expensivemethods.
A.transformationB.processingC.processD.transforming
7.Theplanerandkneetypesofmillingmachineis_____becauseofitsflexibility.
A.usedmostcommonlyB.mostpopular
C.themostcommonlyusedD.mostpowerful
8.Asaresult,thesystemwillvibrateatthefrequencyofthe_____forceregardlessoftheinitialconditionsornaturalfrequencyofthesystem.
A.actionB.excitationC.outD.act
9.Beforetwocomponentsareassembledtogether,therelationshipbetweenthedimensionsofthematingsurfaces_______.
A.mustbegivingoutB.shouldprintedclearly
C.mustbespecifiedD.shouldbeclearlynoted
10.Themainpracticaladvantageoflowerpairsistheirbetterabilitytotraplubricantbetweentheir______surfaces.
A.envelopingB.matingC.outerD.outside
11.Theword______itselfusuallyreferstothedeteriorationofmetalsandceramics,whilesimilarphenomenainplasticsgenerallycalled______.
A.recrystallization….corrosionB.recrystallization…degradation
题号
一
二
三
四
五
六
七
八
总分
得分
C.degradation…corrosionD.corrosion…degradation
12.Mostframes_______castiron,weldsteel,composition,orconcrete.
A.aremadefromB.aremadeupof
C.wasproducedbyD.wasconsistof
13.Rotatingshaftsparticularlythosethatrunathighspeeds,mustbedesignedtoavoidoperation
atspeeds.
A.lowB.overloadC.criticalD.hollow
14.Althoughcastironisafairlycheapmaterial,eachcastingrequiresa.
A.patternB.modelC.moldD.patent
15.Thetermisusedtodescribejointswithsurfacecontact,aswithapinsurroundedbyahole.
A.highpairB.lowpairC.surfacepairD.rotarypair
二、完型填空(在每个小题四个备选答案中选出一个正确答案,本大题共15小题,每小题1分,总计15分)
Thetermshaftusuallyreferstoarelativelylongmemberofroundcrosssectionthatrotatesandtransmitspower.Oneormorememberssuchasgears,sprockets,pulleys,andcamsareusually(16)totheshaftbymeansofpins,keys,splines,snaprings,andotherdevices.Theselattermembersareamongthe“associatedparts”consideredinthistext,asarecouplingsanduniversaljoint,whichserveto(17)theshafttothesourceofpowerorload.
Ashaftcanhaveanoroundcrosssection,antitneednotnecessarilyrotate.Itcanbestationaryandserveto(18)arotatingmember,suchastheshortshaftsthatsupportthenondrivingwheelsofanautomobile.Theshaftssupporting(19)gearscanbeeitherrotatingorstationarydependingon(20)thegearisattachedtotheshaftorsupportedbyitthroughbearings.
Itisapparentthatshaftscanbesubjectedtovariouscombinationsofaxial,bending,and(21)loads,andthattheseloadsmaybestaticorfluctuating.Typically,arotatingshafttransmittingpoweris(22)toaconstanttorque(producingameantorsionalstress)togetherwithacompletelyreversedbendingload(producinganalternatingbendingstress).
Inadditiontosatisfying(23)requirements,shaftsmustbedesignedsothatdeflectionsarewithinacceptablelimits.Excessive(24)shaftsdeflectioncanhampergearperformanceandcause(25)noise.Theassociatedangulardeflectioncanbeverydestructivetono-self-aligningbearings(eitherplainorrolling).(26)deflectioncanaffecttheaccuracyofacamorgeardrivenmechanism.Furthermore,thegreatertheflexibility-eitherlateralortorsional-thelowerthecorresponding(27)speed.
考生注意:
考试时间120分钟试卷总分100分共5页第1页
专业
班级
学号
姓名
Sometimesmemberslikegearsandcamsaremade(28)withshaft,butmoreoftensuchmembers(whichalsoincludepulleys,sprockets,etc)aremadeseparatelyandthen(29)shaft.Theportionofthemountedmemberincontactwiththeshaftisthehub.Attachmentofthehubtotheshaftismadeinvarietyofways.Agearcanbegripped(30)betweenashoulderontheshaftandaspacer,withtorquebeingtransmittedthroughakey.Thegroovesintheshaftandhubintowhichthekeyfitsarecalledkeyways.
16、A)cementB)attachedC)connectedD)concrete
17、A)endureB)transmitC)serveD)connect
18、A)supportB)meetC)satisfyD)strong
19、A)aimsB)idlerC)terminalD)tomb
20、A)duetoB)weatherC)whetherD)for
21、A)elasticityB)torsionalC)inertiaD)acceleration
22、A)subjectedB)…connectC)andD)From
23、A)deeplyB)strengthC)clearlyunderstandD)longtime
24、A)identifyB)crossC)roundD)lateral
25、A)lucrativeB)objectionableC)attractableD)terrible
26、A)MomentB)TormentC)TorsionalD)Movement
27、A)highB)criticalC)firstD)important
28、A)workB)idealizationC)integralD)simplification
29、A)mountedontoB)refersC)referringtoD)indicates
30、A)deformationsB)bendinglimitsC)laternalD)axially
三、阅读理解(在每个小题四个备选答案中选出一个正确答案,填在题头的表中)(本大题共20小题,每小题2分,总计40分)
Text1
Engineeringdesignisasystematicprocessbywhichsolutiontotheneedsofhumankindareobtained.Theprocessisappliedtoproblems(needs)ofvaryingcomplexity.Forexample,mechanicalengineerswillusethedesignprocesstofindaneffective,efficientmethodtoconvertreciprocatingmotiontocircularmotionforthedrivetraininanintnternalcombustionengine;electricalengineerswillusetheprocesstodesignelectricalgeneratingsystemsusingfallingwaterasthepowersource;andmaterialsengineersusetheprocesstodesignablativematerialswhichenableastronautstosafelyreentertheearth’satmosphere.
Thevastmajorityofcomplexproblemsintoday’shightechnologysocietydependforsolutionnotonasingleengineeringdiscipline,butonteamsofengineers,scientists,environmentalists,economists,sociologists,andlegalpersonnel.Solutionsarenotonlydependentregulationsandpoliticalinfluence.Asengineersweareempoweredwiththetechnicalexpertisetodevelopnewandimprovedproductsandsystems,butatthesametimewemustbeincreasinglyawareoftheimpactofouractionsonsocietyandtheenvironmentingeneralandworkconscientiouslytowardthebestsolutioninviewofallrelevantfactors.
Designistheculminationofengineeringeducationalprocess;itisthesalientfeaturethatdistinguishesengineeringdesignisfoundinthecurriculumguidelinesoftheAccreditationBoardforEngineeringandTechnology(ABET).ABETaccreditscurriculainengineeringschoolsandderivesitsmembershipfromthevariousengineeringprofessionalsocieties.Eachaccreditedcurriculumhasawell-defineddesigncomponentwhichfallswithintheABETstatementondesign
readasfollows.
Engineeringdesignistheprocessofdevisingasystem,component,orprocesstomeetdesiredneeds.Itisdecisionmakingprocess(ofteniterative),inwhichthebasicsciences,mathematics,andengineeringsciencesareappliedtoconvertresourcesoptimallytomeetasatedobjectivesandcriteria,synthesis,analysis,construction,testing,andevaluation.Theengineeringdesigncomponentofacurriculummustincludemostofthefollowingfeatures:
developmentofstudentcreativity,useofopen-endedproblemstatementanduseofmoderndesigntheoryandmethodology,formulationofdesignproblemstatementandspecification,considerationofalternativesolutions,feasibilityconsiderations,productionprocess,concurrentengineeringdesign,anddetailedsystemdescriptions.Further,itisessentialtoincludeavarietyofrealisticconstraintssuchaseconomicfactors,safety,reliability,aesthetics,ethics,andsocialimpact.
31、what’sthemainmeaningofmessage
(1)
A)EngineeringdesignisasystematicprocessB)materialsengineer’smainwork
C)mechanicalengineer’shasgoodideaD)electricalengineer’mainduty
32、Intheauthor’sopinion,thedesignprocessisverycomplexandshouldtakenintoaccountmanyfactors,fromthemessagewhoshouldNOTjoinintothedesignteam_______.
A)environmentalists,
B)sociologists
C)engineers
D)Governmentofficials
33、Fromthemessage,wecanknowthemeaningofwords“ABET”(atlinethirdparagraph)is_____.
A)asetofaccreditsstandard
B)akindofdesignmethod
C)adepartmentofUSgovernmentwhichresponsibleforengineeringdesign
D)Asetoflaw
34、Itcanbeconcludedfromthepassagethatintheexerciseandtrainingofstudent,whichcharacterofthefollowingisNOTincludedinthecurriculum______.
A)creativity
B)newmaterial
C)ethics
D)economicfactors
35、Thetitleofthemessageis______.
A)therolesofengineersinmanufacturing
B)theimportanceofmechanicaldesign
C)engineeringdesign
D)Theprocessofmachinedesign
TEXT2
Workingdrawingsarethecompletesetofstandar