机械专业英语试题及其答案.docx

机械专业英语试题及其答案.docx

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XX交 通 大 学 试 卷

专

业

班

级

学

号

姓

名

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）

范文范例

参考指导

教研室主任

（签字）

1.Ifallpointsinalinkagemoveinparallelplanesthesystemundergoesplanar

m

装 otionandthelinkagemaybedescribedasa .

A.planarmotion B.planarlinkage C.joints D.slide

2.Thoughframematerialanddesignshouldhandledamping, aresometimesbuiltintoframesectionstohandlespecificproblems.

A.beams B.holes C.dampers D.screw

3.Themaximumallowabledeflectionofashaft determinedbycriticalspeed,gear,orbearingrequirements.

A.often B.must C.was D.isusually

4.Wewillhaveto tobetterandbettersolutionsaswegeneratemoreinformation.

A.repeatmanytimes B.iterating C.iterate D.tryways

5.

订 Ifaproductconfigurationis specifiedandthenexaminedtodetermine

whethertheperformancerequirementsaremet.

A.finally B.tentatively C.temporary D.havebeen

6.Manufacturingcanbedefinedasthe ofrawmaterialsintousefulproductsthroughtheuseoftheeasiestandlest-expensivemethods.

A.transformation B.processing C.process D.transforming

7.Theplanerandkneetypesofmillingmachineis becauseofitsflexibility.

A.usedmostcommonly B.mostpopular

C.themostcommonlyused D.mostpowerful

8.Asaresult,thesystemwillvibrateatthefrequencyofthe forceregardlessoftheinitialconditionsornaturalfrequencyofthesystem.

线 A.action B.excitation C.out D.act

9.Beforetwocomponentsareassembledtogether,therelationshipbetweenthedimensionsofthematingsurfaces .

A.mustbegivingout B. shouldprintedclearly

学院院长（系主任）

（签字）

C.mustbespecified D.shouldbeclearlynoted

10.Themainpracticaladvantageoflowerpairsistheirbetterabilitytotraplubricantbetweentheir surfaces.

A.enveloping B.matingC.outer D.outside

11.Theword itselfusuallyreferstothedeteriorationofmetalsandceramics,whilesimilarphenomenainplasticsgenerallycalled .

A.recrystallization….corrosion B.recrystallization…degradation

题号

一

二

三

四

五

六

七

八

总分

得分

C.degradation…corrosion D.corrosion…degradation

12.Mostframes castiron,weldsteel,composition,orconcrete.

A.aremadefrom B.aremadeupof

C.wasproducedby D.wasconsistof

13.Rotatingshaftsparticularlythosethatrunathighspeeds,mustbedesignedtoavoidoperationat speeds.

A.low B.overload C.critical D.hollow

14.Althoughcastironisafairlycheapmaterial,eachcastingrequiresa .

A.pattern B.model C.mold D.patent

15.Theterm isusedtodescribejointswithsurfacecontact,aswithapinsurroundedbyahole.

A.highpair B.lowpair C.surfacepair D.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

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Sometimesmemberslikegearsandcamsaremade（28）withshaft,butmoreoftensuchmembers（whichalsoincludepulleys,sprockets,etc）aremadeseparatelyandthen（29）shaft.Theportionofthemountedmemberincontactwiththeshaftisthehub.Attachmentofthehubtotheshaftismadeinvarietyofways.Agearcanbegripped（30）betweenashoulderontheshaftandaspacer,withtorquebeingtransmittedthroughakey.Thegroovesintheshaftandhubintowhichthekeyfitsarecalledkeyways.

16、A）cement B）attached C）connected D）concrete

17、A）endure B）transmit C）serve D）connect

18、A）support B）meet C）satisfy D）strong

19、A）aims B）idler C）terminal D）tomb20、A）dueto B）weather C）whether D） for

21、A）elasticity B）torsional C）inertia D）acceleration

22、A）subjected B）…connect C）and D）From

23、A）deeply B）strength C）clearlyunderstand D）longtime

24、A）identify B）cross C）round D） lateral

25、A）lucrative B）objectionable C）attractable D）terrible

26、A）Moment B）Torment C）Torsional D）Movement

27、A）high B）critical C）first D）important

28、A）work B）idealization C）integral D）simplification

29、A）mountedonto B）refers C）referringto D）indicates

订 30、A）deformations B）bendinglimits C）laternal D）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）

Text 1

Engineeringdesignisasystematicprocessbywhichsolutiontotheneedsofhumankindareobtained.Theprocessisappliedtoproblems（needs）ofvaryingcomplexity.Forexample,mechanicalengineerswillusethedesignprocesstofindaneffective,efficientmethodtoconvertreciprocatingmotiontocircularmotionforthedrivetraininanintnternalcombustionengine;electricalengineerswillusetheprocesstodesignelectricalgeneratingsystemsusingfallingwaterasthepowersource;andmaterialsengineersusetheprocesstodesignablativematerialswhichenableastronautstosafelyreentertheearth’satmosphere.

线

Thevastmajorityofcomplexproblemsintoday’shightechnologysocietydependforsolution

notonasingleengineeringdiscipline,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）Engineeringdesignisasystematicprocess B）materialsengineer’smainwork

C）mechanicalengineer’shasgoodidea D）electricalengineer’mainduty

32、Intheauthor’sopinion,thedesignprocessisverycomplexandshouldtakenintoaccountmanyfactors,from themessagewhoshouldNOTjoinintothedesignteam .

A）environmentalists,

B）sociologists

C）engineers

D）Governmentofficials

33、Fromthemessage,wecanknowthemeaningofwords“ABET”（atlinethirdparagraph）is .

A）asetofaccreditsstandard

B）akindofdesignmethod

C）adepartmentofUSgovernmentwhichresponsibleforengineeringdesign

D）Asetoflaw

34、Itcanbeconcludedfromthepassagethatintheexerciseandtrainingofstudent,whichcharacterofthefollowingis

NOTincludedinthecurriculum .

A）creativity

B）newmaterial

C）ethics

D）economicfactors

35、Thetitleofthemessageis .

A）therolesofengineersinmanufacturing

B）theimportanceofmechanicaldesign

C）engineeringdesign

D）Theprocessofmachinedesign

TEXT 2

Workin