机电专业英语复习题及答案.docx
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机电专业英语复习题及答案
机电专业英语期末复习试题
一.选择题
1.Ifallpointsinalinkagemoveinparallelplanesthesystemundergoesplanarmotionandthelinkagemaybedescribedasa______.
A.planarmotion
B.planarlinkage
C.joints
D.slide
2.Thoughframematerialanddesignshouldhandledamping,
_____aresometimesbuiltintoframesectionstohandlespecificproblems.
A.beamsB.holesC.dampersD.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.Ifaproductconfigurationis_______specifiedandthenexaminedtodeterminewhethertheperformancerequirementsaremet.
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.
A.action
B.excitation
C.out
D.act
9.Beforetwocomponentsareassembledtogether,therelationshipbetweenthedimensionsofthematingsurfaces_______.
A.mustbegivingout
B.shouldprintedclearly
C.mustbespecifiedD.shouldbeclearlynoted
10.Themainpracticaladvantageoflowerpairsistheirbetterabilitytotraplubricantbetweentheir______surfaces.
A.enveloping
B.mating
C.outer
D.outside
11.Theword______itselfusuallyreferstothedeteriorationofmetalsandceramics,whilesimilarphenomenainplasticsgenerallycalled______.
A.recrystallization….corrosion
B.recrystallization…degradation
C.degradation…corrosion
D.corrosion…degradation
12.Mostframes_______castiron,weldsteel,composition,orconcrete.
A.aremadefrom
B.aremadeupof
C.wasproducedby
D.wasconsistof
13.Rotatingshaftsparticularlythosethatrunathighspeeds,mustbedesigne
dtoavoidoperationat______speeds.
A.low
B.overloadC.criticalD.hollow
1
14.Althoughcastironisafairlycheapmaterial,eachcastingrequiresa______。
A.pattern
B.model
C.mold
D.patent
15.Theterm______isusedtodescribejointswithsurfacecontact,aswithapinsurroundedbyahole.
A.highpair
B.lowpair
C.surfacepair
D.rotarypair
1-5:
BCDCB6-10:
ACBCA11-15DACAB
二.阅读
1.Lassiewasabigdog.Shewasveryclever.Shewasalwayshelpingsomeone.
Oncesomebadmentooksomemoneyfromanoldman.Theytiedhimupwitharopeandlefthimonthefloor.TheykeptLassieinanotherroom.Lassietriedtoopenthedooroftheroom.Butshecouldn’t.Therewasalargewindowintheroom,butitwastoohighforLassietoreach.Shepulledachairovertowindowandstoodonit.Shepushedandpulledandpulledatthewindowandatlastgotitopen.Withagreatjump,shegotout.
Lassiecamebackintothehouseandfoundtheroomwheretheoldmanwasleft.Sheuntiedtheroperoundtheoldman’sarmsandlegs.Thenshehelpedhimoutofthehouseanddowntheroadtothenearesthouse.
（）1.Lassiewas______.
A.ababy
B.acat
C.adog
D.agirl
（）2.Oncesomebadmentoolsomemoneyfrom______.
A.ayoungman
B.ayoungwoman
C.anoldwoman
D.anoldman
（）3.Lassie______thedooroftheroom.
A.didn’topen
B.opened
C.shut
D.didn’tshut
（）4.______untiedtheoldman.
A.Agirl
B.Acat
C.Awoman
D.Lassie
（）5.______caughtthebadmen.
A.Thedog
B.Lassie
C.Thepolicemen
D.Thegirl
2.Mr.Georgeworksattheschoollostandfound.Heworksverycarefully.Everyday,whenhegetsalostthing,hetakesnotesaboutit.Therearepens,books,schooluniforms,keys,walkmansandmanyotherthingsinthelostandfound.Mostofthemarethestudents’.Ifyouloseyourthings,it’seasyforyoutogotothelostandfoundforhelp.ButyoumusttellMr.Georgewhatitisanditscolorandthedaywhenyoucan’tfindit.IthinkMr.Georgeisveryhelpful,andyouwillbehappywhenyoufindthelostthere.
（）6.Whoworksattheschoollostandfound?
A.Mr.Brown
B.Mr.King
C.Mr.George
D.Nobody
（）7.Thereare________thingsinthelostandfound.
A.no
B.few
C.afew
D.many
（）8.MostthingsMr.Georgetakescareofarethe________.
A.boys’
B.girls’
C.students’
D.teachers’
（）9.Ifyouloseyourthings,you’dbettergotoask________.
A.Ben
B.Mr.George
C.yourteacher
D.yourparents
（）10.Ifyouloseyourthingsandgotothelostandfoundforhelp,youneedn’ttellMr.George________.
A.Whatitis
B.howmuchitis
C.itscolor
D.thedaywhenyoulostit.
3.Thestudentswerehavingtheirchemistry（化学）
class.MissLiwastellingthechildrenwhatwaterwaslike.Afterthat,sheaskedherstudents,"What’swater?
”Noonespokeforafewminutes.MissLiaskedagain,“Whydon’
tyouanswermyquestion?
Didn’tItellyouwhatwaterislike?
”
Justthenaboyputuphishandandsaid,“MissLi,
youtoldusthatwaterhasnocolourandnosmell.Butwheretofindsuchkindofwater?
Thewaterintheriverbehindmyhouseisalwaysblackandithasabadsmell.”
Mostofthechildrenagreedwithhim.
“I’msorry,children.”saidtheteacher,“Ourwaterisgettingdirtieranddirtier.That’
saproblem.
（）11.Thestudentswerehavingtheir_______class.
A.English
B.Chinese
C.chemistry
D.maths
（）12.MissLiwastellingthechildrenwhat______waslike.
A.water
B.air
C.earth
D.weather
（）13.Aboysaid,”Thewaterintheriverbehindmyhouseisalways_______.”
A.white
B.black
C.clean
D.clear
（）14.Mostofthechildren_______theboy.
A.agreedwith
B.wroteto
C.heardfrom
D.sentfor
（）15.Thewaterintheriverhascolourandsmellbecauseitisgetting_______.
A.moreandmore
B.lessandless
C.cleanerandcleaner
D.dirtieranddirtier
1-5:
CDADC6-10:
CDCBB11-15:
CABAD
4.Workingdrawingsarethecompletesetofstandardizeddrawingsspecifyingthemanufactureandassemblyofaproductbasedonitsdesign.Thecomplexityofthedesigndeterminesthenumberandtypesofdrawings.Workingdrawingsmaybeonmorethanonesheetandmaycontainwritteninstructionscalledspecifications.
Workingdrawingsareblueprintsusedformanufacturingproducts.Therefore,thesetofdrawingsmust:
（a）completelydescribetheparts,bothvisuallyanddimensionally;（b）showthepartsinassembly;（3）identifyalltheparts;and（4）specifystandardparts.Thegraphicsandtextinformationmustbesufficientlycompleteandaccuratetomanufactureandassembletheproductwithouterror.Generally,acompletesetofWorkingdrawingsforanassemblyincludes:
（1）Detaildrawingsofeachnonstandardparts.
（2）Anassemblyorsubassemblydrawingshowingallthestandardandnonstandardpartsinasingl
edrawing.
（3）Abillofmaterials（BOM）.
（4）Atitleblock.
Adetaildrawingisadimensioned,multiviewdrawingofasinglepart,describingthepart’sshape,size,material,andsurfaceroughness,insufficientdetailfortheparttobemanufacturedbasedon
thedrawingalone.Detaildrawingsareproducedfromdesignsketchesorextractedfrom3-Dcomputermodels.TheyadherestrictlytoANSIstandardsandthestandardforthespecificcompany,fordimensioning,assigningpartnumbers,notes,tolerances,etc.
Inanassembly,standardpartssuchasthreadedfastenersandbearingsarenotdrawnasdetails,butareshownintheassemblyview.Standardpartsarenotdrawnasdetailsbecausetheyarenormallypurchased,notmanufactured,forassembly.
Forlargeassembliesorassembledwithlargeparts,detailsaredrawnonmultiplesheets,andaseparatesheetisusedfortheassemblyview.Iftheassemblyissimpleorthepartsaresmall,detaildrawingsforeachpartofanassemblycanbeplacedonasinglesheet.
Multipledetailsonasheetareusuallydrawnatthesamescale.Ifdifferentscalesareused,theyareclearlymarkedundereachdetail.Also,whenmorethanonedetailisplacedonasheet,thespacingbetweendetailsiscarefullyplanned,includingleavingsufficientroomfordimensionsandnotes.
1.Basedonthemessage,whichofthefollowiswrong?
A）standardpartsneedn’tdrawnasdetails
B）forsimpleparts,sometimesneedn’ttodrawthedetailworkingdrawing
C）forlargeassembliesdetailsmaydrawnonmultiplesheets
D）Ifdifferentscalesusedinasinglesheet,theyshouldclearlymarkedundereachdetail
2.WorkingdrawingsforanassemblyMAYNOTincludes:
?
A）BOMB）titleblock
C）Anassemblyorsubassemblydrawing
D）Detaildrawingsofallparts.
3.Fordetaildrawing,Whichoneofthefollowingstatementisnottrue?
A）shouldnothasdifferentscales
B）Detaildrawingcanproducedfromdesignsketchesorextractedfrom3-Dcomputermodels.
C）detaildrawingisadimensioned,multiviewdrawingofasinglepart
D）shouldAdherestrictlytoANSIstandards
4.FromthemessagewecaninferANSIis______?
A）asetoflawB）asetofnotification
C）anOrganizationD）IEEEgovernment
5.Thetopicofthemessageis______?
A）Howtodesignworkingdrawings.
B）workingdrawing’scharacterandthekeyinfluenceofhowtodrawaworkingdrawing
C）Inthedesignprocess,whatshouldbeconsidered?
D）What
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