机械专业英语试题及答案.docx

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1、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.slide2.Thoughframematerialanddesignshouldhandleda

2、mping,aresometimesbuiltintoframesectionstohandlespecificproblems.A.beamsB.holesC.dampersD.screw3.Themaximumallowabledeflectionofashaft______determinedbycriticalspeed,gear,orbearingrequirements.A.oftenB.mustC.wasD.isusually4.Wewillhaveto_____tobetterandbettersolutionsaswegene

3、ratemoreinformation.A.repeatmanytimesB.iteratingC.iterateD.tryways5.Ifaproductconfigurationis_______specifiedandthenexaminedtodeterminewhethertheperformancerequirementsaremet.A.finallyB.tentativelyC.temporaryD.havebeen6.Manufacturingcanbedefinedasthe_____ofrawmaterialsintous

4、efulproductsthroughtheuseoftheeasiestandlest-expensivemethods.A.transformationB.processingC.processD.transforming7.Theplanerandkneetypesofmillingmachineis_____becauseofitsflexibility.A.usedmostcommonlyB.mostpopularC.themostcommonlyusedD.mostpowerful8.Asaresult,thesystemwillv

5、ibrateatthefrequencyofthe_____forceregardlessoftheinitialconditionsornaturalfrequencyofthesystem.A.actionB.excitationC.outD.act9.Beforetwocomponentsareassembledtogether,therelationshipbetweenthedimensionsofthematingsurfaces_______.A.mustbegivingoutB.shouldprintedclearlyC.mus

6、tbespecifiedD.shouldbeclearlynoted10.Themainpracticaladvantageoflowerpairsistheirbetterabilitytotraplubricantbetweentheir______surfaces.A.envelopingB.matingC.outerD.outside11.Theword______itselfusuallyreferstothedeteriorationofmetalsandceramics,whilesimilarphenomenainplastic

7、sgenerallycalled______.A.recrystallization….corrosionB.recrystallization…degradation题号一二三四五六七八总分得分C.degradation…corrosionD.corrosion…degradation12.Mostframes_______castiron,weldsteel,composition,orconcrete.A.aremadefromB.aremadeupofC.wasproducedbyD.wasconsistof13.Rotatingsha

8、ftsparticularlythosethatrunathighspeeds,mustbedesignedtoavoidoperationatspe