第1題Thefiveelementsoftraditionalprintingaretheoriginalandplate()AinkBsubstratesCprintingpressDprintingaccuracy正確答案：ABC第2題Whatcanbeusedasasubstrateintheprintingprocessis()AwaterandairBpaper,paperboardCplasticfilm,aluminumfoilDvariousforms正確答案：BCD第3題Printingplatereferstotheprintingimageandtextcarrierusedtotransferinktothesubstrate.Includingrelief,gravure（）AthinplateBthickplateCflatplateDporousplate正確答案：CD第4題Accordingtotheclassificationofprintingpressure,theprintingpressisdividedinto（）AprintingpresswithpressureBprintingpresswithoutpressureCprintingpresswithlightpressureDprintingpresswithheavypressure正確答案：AB第5題Pressprintingisclassifiedinto（）APlatenprintingpressBFlat-bedprintingpressCRotaryprintingpressDRepeatedlyrotaryprintingpress正確答案：ABC第6題Thegraphicinformationarecomposedofholesofdifferentsizes.Theinkisextrudedfromtheholestothesubstratesurface.Thistypeofprintingiscalled()AGravureprintingBReliefprintingCPlanographicprintingDPorousprinting第7題Thecylindertransfermethodofsheet-fedoffsetprintingpressbelongsto()AdirectprintingBindirecttransferbyblanketcylinderCnoprintingpressurerequiredDdirectwayofplatecylinderandimpressioncylinder正確答案：B第8題Accordingtotheshapeofthesubstrates,therearesheet-fedprintingpressandweb-fedprintingpress.Thesubstratesofweb-fedprintingpressis()AtensionedcontinuousstripBstackneatsheetsofpaperCstripwithouttensionDtensionedsheet第9題Thedevelopmenttrendofprintingequipmentis()Afromtheproductionofsingleprintingequipmenttothedevelopmentofintegratedprintingsolutions.Thecombinationformofprintingsystem.BprintingorganizationformofsingleprintingequipmentproductionCnoneedtooptimizethestructure,noneedtoconsiderthegreenprintingmethodDnoneedforsystematiccombinationofprinting第10題Inprintingequipment,accordingtothenumberofprintingcolors,printingmachinesaredividedinto()Anewspaper,books,specialticketprintingmachinesBmonochrome,bicolorandmulticolorprintingpressCfull-sizeprintingpress、half-sizeprintingpress、quarter-sizeprintingpress、eightfoldprintingpressDsingleanddoublesidedprintingmachines第1題Thetransmissionbetweenthemainmachineandthefeedingsystemusuallyadopts()totransmitlowpairmechanismoftherotationbetweentwointersectingshafts.AtoothbelttransmissionBuniversalcouplingtransmissionCchaintransmissionDgeartransmission.第2題Inordertopreventtheimportantmachinepartsfrombeingdamagedintheaccident,an()issetupinthetransmissionsystemtolimittheoverloadpowertransmissionandplayaroleofsafetyprotection.AoverloadsafetymechanismBturningsafetymechanismCdecelerationmechanismDacceleratingmechanism第3題Basiccharacteristicsofoffsetprintingare()AflatprintingplateBtheprincipleofoil-waterrepulsionCindirecttransferDdampenfirst,thenink正確答案：ABCD第4題Whichofthefollowingprintingmethodsbelongtolithography:()APorousprintingBLithographicprintingCCollotypeprintingDOffsetprinting正確答案：BCD第5題Thethreemaincylindersofasheet-fedoffsetpressare:()ABlanketcylinderBImpressionCylinderCPlatecylinderDTransfercylinder正確答案：ABC第6題Therelevantstructuresoftheunit-typefour-coloroffsetpressare:()ADeliverymechanismBTransfercylindersbetweenthecolorunitsCMultiplehandoversofpaperDRegisteradjustmentmechanism正確答案：ABCD第7題Therelevantstructuresofthesatellite-typefour-coloroffsetpressare:()ADeliverymechanismBTransfercylindersbetweenthecolorunitsCThecolorunitsaredistributedaroundtheimpressioncylinderDTheimpressioncylindermakesonerevolutiontocompletefour-colorprinting.正確答案：ACD第8題Lithographicoffsetprintingadoptstheprincipleofoilandwaterrepellingeachother.Waterisappliedtothesurfaceoftheplatecylinderfirstandtheninkisapplied()AInkthegraphicpartoftheplateBDampentheimageandtextontheprintingplatewithwaterCThegraphicpartandthenongraphicpartontheplateabsorbwaterandinkatthesameDThegraphicpartontheprintingplateishydrophilicandlipophilic.第9題Thebasicstructureofasheet-fedoffsetpressis()APlatecylinder+blanketcylinder+ImpressionCylinderformBPlatecylinder+blanketcylinderformCblanketcylinder+ImpressionCylinderformDVariousrollerscanbecombinedflexibly第10題Themainmovementsofthetransmissionsystemofatypicalsheet-fedoffsetpress()Aprintingcylinder,paperfeedmechanism,grippermechanism,paperreceivingchain,inkinganddampeningmechanismBroll-fedsystem、delivery?device、adjustingdeviceCtension?control?system、guiderollerDtriangularfoldingmechanism、printingcylinderrotationTest3.1第1題Surfaceutilizationrateofsequentialclutchroller.A"Notlimitedbythearrangementangleofthedrum;BLimitedbythearrangementangleofthedrum;CLimitedbydrumarrangementangleandneutralangleDItisnotlimitedbythedrumarrangementangleandneutralangle.第2題Requirementsforclutchpressureofsheetfedoffsetpress:AThetimecanbeswitchedonandoffatanytime,andthewasteproductscanbeputforwardintime;BClosingpressuredoesnotneedself-locking;CReleasethepressureintimeincaseoffailure第3題Thedisadvantagesofsimultaneousclutchpressureofsheetfedoffsetpressare:A"Theprintingpressureistoosmallandthepictureandtexttransferisnotcomplete;BThesurfacelinearspeedofthreerollerscanbeinconsistentCTheutilizationrateofdrumsurfaceissmall.Whenthedrumarrangementangleisgreaterthan180°,thedrumsurfaceutilizationcoefficientislessthan0.5;DThereisnoneedfortheclosingadvanceangle,anditisnotnecessarytobetheclosingordisengagingpressurewhentheneutralgearmeets第4題WhataretherequirementsfortheprintingpartsofsheetfedoffsetpressA"Thereisacertainpressure,andthepressureismaintainedwhennotprinting;BThelinearspeedofeachdrumsurfaceisconsistent;CForprintsofdifferentthicknessandmaterials,theprintingpressureshouldbeconstant.第5題Duringtheworkingprocessofprintingparts,theremustbetwoworkingstatesA"Whenthepaperentersthedrum,therollersshallbeabletorolleachotherandentertheoffpressprintingstateBWhenthepapersupplyisstopped,therollerdoesnotneedtobedisengagedintimeandcontinuestomaintainthepressingstate.CWhenthepapersupplystops,therollerneedstobedisengagedintimetokeepthepressingstate.DWhenthepapersupplystops,therollerneedstobedisengagedintimeandentertheoffpressurestate.第6題ThepressureregulationrequirementsofprintingpartsareA"Sensitivityandindependenceofvoltageregulation;BThepressurebetweenthethreerollersaffectsandadjustseachother;COnlyneedtoadjustthepressurebetweentheembossingdrumandtherubberdrum;DJustadjustthepressurebetweentherubbercylinderandtheplatecylinder.Test3.2第1題EccentricbearingofP+eccentricbearingofB:ATheeccentricbearingofdrumPisusedtoadjustthepressurebetweenPandB;BRoller:theeccentricbearingofBcanonlyrealizetheoffpressureandonpressureoftheroller;CRoller:theeccentricbearingofBcanonlyadjustthepressurebetweenBandI.第2題Drivingformofreleaseandclosingmechanism.ATherearethreetypes:mechanical,hydraulicandpneumaticBMechanicaltypeshallnotbeadopted;CPneumatictypecannotbeadopted;DHydraulictypecannotbeused.第3題Thefunctionofeacheccentricbearingintheseparationandclosingpressureofthedoubleeccentricbearingdrumis.A"Innereccentricbearing"isusedtorealizetheseparationandclosingprocess.BTheinnereccentricbearingisusedtorealizethepressureregulationprocess.CWhentheinnereccentricbearingdoesnotmove,rotatetheoutereccentricbearing,andO1rotatesaroundthefixedpointO2torealizesensitivepressureregulation.第4題Thepressureregulatorofsheetfedoffsetpresshas.A"Atpresent,thereareonlyconnectingrodregulators;BAtpresent,thereisonlywormgearvoltageregulator;CAtpresent,threadedregulatorisused;DConnectingrodregulator,threadregulatorandwormregulatorareallused."第5題herequirementsofthree-pointsuspensionclutchpressurestructureare.A"Extremelyhighrequirementsforwallpanelholes;BTheassemblytechnicalrequirementsforassemblytechniciansareveryhigh;CForeignHeidelbergmachinesmostlyadoptthree-pointsuspensionclutchpressurestructure.Test3.3第1題Therollingpillowanditsfunctioninthestructureofwalkingshoulderironare.A"Rollerpillowisnottheinstallationreferenceofprintingcylinder;BItisthebenchmarkforcheckingthedrumlining;CThestructureofshoulderironiscomplex,whichisdifficulttoimprovethestabilityofoperationbetweenrollers.第2題Therollingpillowanditsfunctioninthestructureofnonwalkingshoulderironare.A"Calculatethedrumcenterdistanceandtoothsideclearance;judgewhetherthedrumcenterlineisparallel;determinethedrumliningthicknessBItisonlyusedtojudgewhetherthedrumcenterlineisparallelCItisonlyusedtodeterminethedrumliningthickness.第3題Theplatecylinderplateclampstructurecomprises.AThereareonly4circumferentialpullplatescrews;BOnly2axialplatepullingscrews;CFourcircumferentialplatepullingscrewsandfouraxialplatepullingscrewscanbeusedtogethertorealizeobliqueplatepulling."第4題Theprintingpressdrumgearischaracterizedby:.A"Pressureanglea=14.5°ora=15°;BThediameterofgearpitchcircleisnotnecessarilyequaltothediameterofdrum;CThesideclearancecanbeincreasedduringtheoffpressuretransmission.第5題Thefunctionoftheplateadjustmentdeviceonthesheetfedprintingmachineis.ABasedonthelastcolorprintingplate,thefrontcolordecksareequippedwithplateadjustmentdevices.BThepositionstructureoftheprintingplateisprovidedwithcircumferentialandaxialadjustment.CThebackcolorcannotcatchupwiththefrontcolor,soitisdifficulttorealizeoverprint.第6題Thefunctionoftheneutralpartofeachprintingdrumismainlytoinstallsomemechanisms.Specifically:A"Theneutralpositionoftheembossingcylinderisusedtoinstallthepaperbitingmechanism;BTheneutralpositionoftheprintingplatecylinderisusedtoinstalltheblanketclampingmechanism;CTheneutralpositionoftherubberdrumisusedtoinstalltheplateclampingmechanismTest3.4第1題Thereductionoftheoffsetpresscylinderrefersto().ADifferencebetweentheradiusoftherollerbarrelandtheradiusofthegearknuckleBDifferencebetweentheradiusoftherollerpillowandtheradiusofthegearpitchcircleCDifferencebetweentheradiusoftherollerbarrelandtheradiusoftherollerpillowDDifferencebetweentheradiusoftherollerbushingandtheradiusoftherollerpillow第2題Walkingshoulderirontypeprintingpressplatecylinderandrubbercylindershoulderiron,rubbercylinderandimpressioncylindershoulderironclearanceare:()A0，0B0，0.1C0.1,0D0.1,0.1第3題Asheetfedoffsetpresshasanimpressioncylindergapangleof107°20′,thecylinderutilisationfactoris:()A0.7B0.72C0.73D0.98第4題Thepurposeofaneccentricsleeveonanoffsetprintingmachine,ifused,is()ASmoothrunningofthepressBEasytoprocessCEasytoinstallDAdjustmentofcylindercentreposition第5題Mostoffsetprintingmachinesuse()asareferenceforadjustingotherparts.ABlanketrollersBImpressionrollersCTransfercylindersDTransfercylindersPlatecylinders第6題Theadjustmentoftheplatecylinderaxialregistrationsystemisachievedbyshiftingtheaxialpositionofthe().ARollerhelicalgearsBEccentricbushingsCPlatecylindersDPlatepullingmechanismTest4.1第1題Thewettingdevicecanbedividedinto______accordingtothewayofnonwettingliquidofprintingplate.AContactandnon-contactBContinuousandperiodicCMechanical,electrostatic,condensingandpneumatic第2題Thewatersupplypartoftheconventionalwettingdevicemainlyincludes__.AWaterbucketBBucketrollCWaterstringrollerDWatertransferroller正確答案：ABD第3題Heidelbergwettingdevicebychanging___Adjustthewatersupplyatthespeedof.ABucketrollBMeteringrollerCWaterrollerTest4.2第1題Sheetfedoffsetpressinkingunittype()ATherearetwotypesoflonginkpathinkingsystemandshortinkpathinkingsystem.BTherearethreetypesofinkrollertype,inktabletypeandmixedtype.CTherearetwotypesofinkrollerinkingsystemandinktableinkingsystem.第2題Thecomponentsoftheinkingunitconsistof()AItonlyconsistsofinksupplyanduniformink;BOnlycomposedofuniforminkandinking;CItconsistsofthreeparts:inksupply,inkdistributionandinking.第3題Theperformanceindexoftheinkingdeviceisgivenby()AInkingcoefficient,inkdistributioncoefficient,storage(accumulation)inkcoefficient,numberofinklines,andinkingrate.BItiscomposedofinkingcoefficientandinkdistributioncoefficient.CItiscomposedoftheinkstorage(accumulation)coefficient,thenumberofinklines,andtheinkingrate.第4題Theinkingcoefficientisdefinedas()ATheratioofthesumoftheareaofasingleinkingrollertotheareaoftheprintingplate,thiscoefficientrepresentstheevennessoftheinkinkingrollertotheprintingplate,anditsvalueisgenerallylessthan1,andthesmallerthevalue,thebetter.BTheratioofthesumoftheareasofalltheinkingrollerstotheareaoftheprintingplate,thiscoefficientindicatestheuniformityoftheinkingrollerstotheprintingplate,anditsvalueisgenerallygreaterthan1,andthelargerthevalue,thebetter.CTheratioofthesumoftheareaofasingleinkingrollertotheareaoftheprintingplate,thiscoefficientindicatestheuniformityoftheinkinkingrollertotheprintingplate,anditsvalueisgenerallygreaterthan1,andthelargerthevalue,thebetter.第5題Theperformancerequirementsoftheinkingunitofanoffsetpressare()AInkshouldbesuppliedinatimely,appropriate,uniformandadjustablemanner;theinkshouldbesuppliedduringpressureprinting,andtheinkshouldbereleasedfromthepressure;BInkshouldbesuppliedinatimely,appropriate,uniformandadjustablemanner;theinkshouldbeseparatedfromthepressureandtheinkshouldbeseparatedfromthepressure.CItisnecessarytoadjusttheamountofinkintimeforinksupply;pressureprintingtosupplyink,andseparationpressuretoreleaseink;separationpressuretosupplyink(whentheamountofinkistoolarge)andpressurereleaseink(newprinting).Test5.1第1題Whichofthefollowingstatementsiscorrectregardingtheadvantagesanddisadvantagesofpaperfeedingmethods?AForthepaperfeedingspeed,continuouspaperfeedingcanachieveaslowerpaperfeedingspeed.BIntermittentpaperfeedingislessefficientandisonthetrendofbeingphasedoutgradually.CContinuouspaperfeedingwithlongpositioningtimeandhighpositioningaccuracy正確答案：ABC第2題Tocoordinatewiththehostmachine,thetimeforeachsheetofpaperconveyedbythepaperfeedingpartshouldalsobet.Whatworkinghoursdoesthistimeinclude?ATheconveyingtimeofthepaperonthepaperfeedingtable;BThetimewhenthepaperispositionedatthefrontgauge;CThetimewhenthepaperispositionedatthesidegauge;正確答案：ABC第3題Assumingthattheworkingcycletimeofthetwofeedingmethodsisequal,thepositioningtimerequiredforthefrontgaugeandthesidegaugeisthesame.Whichofthefollowingstatementsaboutintermittentpaperfeedingisincorrect?ATheconveyingspeedofintermittentpaperfeedingmustbehigherthanthatofcontinuouspaperfeeding;BIntermittentfeedingpaperisnoteasytobestable,andthereisimpactandvibrationonthefrontgauge;CIntermittentpaperfeedingispronetoinaccuratepositioningandaffectsprintingqualityDTheconveyingspeedofintermittentpaperfeedingmustbelowerthanthatofcontinuouspaperfeeding第4題ContinuousfeedingpaperbitingpositionoccursatABitesiteBTrailingpartTest5.2第1題Thecomponentsoftheseparationmechanismofthepapermoveinanorderlymanneraccordingtotherhythm,respectivelycompleting()fourmainactionsALoosenpaper,paperseparation,paperpressing,paperfeedingBLoosenpaper,pressurepaper,paperseparation,paperfeedingCPaperseparation,loosepaper,pressurepaper,paperfeedingDLoosepaper,presspaper,feedpaper,separatepaper第2題Whichofthefollowingstatementsisfalse?AThepaperstopisflushwiththepaperonthestack.BWhenthepaperfeedingnozzledeliversthepapertothepaperfeedingroller,thefrontstoppercompletesthefeedingaction.CTheblowingnozzleblowsairtoloosenthedozensofsheetsofpaperatthetopofthestack.DThefunctionofthepaperseparationnozzleistopickupthetopsheetofpaperinthestackandhanditovertothepaperpressingnozzle第3題ThefunctionofpressingpaperblowingnozzleisAImmediatelyafterthepaperseparationnozzlepicksupthepaper,dropitdownandinsertitunderthepickeduppapertopressthepaper.BPressthepaperpileandblowduringitsothattheupperpieceofpaperiscompletelyseparatedfromthepaperpile.CPressthepileofpaperandblowduringittoseparatethesheetsfromeachother.DItisusedasadetectoroftheautomaticliftingmechanismofthepaperpile,thatis,itcandetecttheheightofthepaperpile.正確答案：ABDTest5.3第1題ThepapertableliftingmechanismisrequiredtoachievethefollowingfunctionsAAutomaticallydetectandindicatetheheightofpaperstackandcarryoutcorrespondingsignaltransmission;BThepaperstackcanberaisedandloweredquickly,sothattheauxiliaryworktimecanbeshortenedduringpaperloadingandadjustment;CThepaperpilecanbemanuallyliftedandlowered,andthereshouldbeasafetyinterlockingdevicefortheliftingandloweringofthepaperpile;DFortheautomaticliftingandloweringofthepaperstack,aself-lockingmechanismneedstobeaddedtomakeitstopattherequiredpositioninaprogrammedmanner.正確答案：ABCD第2題ThemaincomponentsofvacuumsuctionbeltpaperconveyingdeviceareAconveyorbeltBPaperfeedingpinchrollermechanismCsuctionchamberDpaperfeedbrush正確答案：ABC第3題Thetechnologicalprocessofpaperfeedingismainlycomposedof()ApapersupplyBpaperseparationCalignthepaperDfeedingpaper正確答案：ABCDTest6.1第1題Thepositioningrequirementsforthefrontgaugepartsare()APositioningthefrontandreardirectionandheightdirectionofthepaper.BAfterthepositioningiscompleted,thecardboardcanswing,leavethepaperpaneltoachievethepaper.CThepositionofthepositioningboardcanbeadjustedaccordingtothesizeofthepapermouth;andthelevelofthepapertonguecanbeadjustedaccordingtothethicknessofthepaper;DWhenthereisapaperfeedingfaultsuchasdoubleormultiplesheets,theinterlockingcontroldeviceacts,andthefrontgaugedoesnotlift,sothepapercannotbereleased.正確答案：ABCD第2題Whencompletingdifferenttasks,thefrontregulationstructurestillneedstobeadjustedconveniently,andthefrontregulationmechanismshowninfigure1canraiseorlowerthewholerowoffrontgaugesbyadjusting().AScrew15BScrew18CNut8DScrew12第3題Thebasicrequirementsforthepositioningmechanismare()AItcanensurethatthepositioningaccuracyiswithin0.1mm;BThefrontgaugelineshouldbeparalleltotheembosseddrumbusbar,andthesideregularpositioningsurfaceisperpendiculartoit.CItisnecessarytoensuresufficientandnecessarypositioningtime,butalsoarrangetherelationshipbetweenthetransferofpaperandpaperdeliverymechanisms;DGoodadaptabilitytothepaper,nodamagetothepaperinthepositioningprocess.正確答案：ABCD第4題Themaincomponentsofthepre-definedbitcomponentsare()APaperfeedwheeBPaperfeedingtable.CCardboard.DPaperpresstongue正確答案：CDTest6.2第1題Theswingtimeofthefan-shapedplateisadjustedbytheadjustmentscrewsinthefigureabove?()A25B21C23D2第2題Thepaperistransportedtothefrontregulationsfirst,andthenthepositioningofthe()directionfromthesiderulesALongitudinaldirection.BHorizontal.CFrontandreardirection.DLeftandrightdirection正確答案：BD第3題Sincethepositioningdirectionofthesidegaugetothepaperisperpendiculartotherunningdirectionofthepaper,therequirementsforaccuratepositioningofthepapertothesidegaugeareasfollows:()AThesidegaugestructurenotonlyhasthepositioningplateasthepositioningreferenceandthepositioningpartssuchasthepaperpressingtonguetocontroltheflatclothesofthepaperandensurethepositioningaccuracy,butalsohasthetransmissiondevicetomakethepapermovelaterallyandmakeitclosetothepositioningplate.BThepositionandtensionofthepapercanbeadjustedaccordingtothesizeandthicknessofthepapertopreventinaccuratepositioningandpapercurling;CInaddition,thepositiveandnegativesetsarestandardized.Oneprintingmachineshouldhavetwosideregulations,sothatthepositioningedgescanbeunchangedwhenthefrontandbackprintingareunchangedtoensuretheaccuracyofthechapters.正確答案：ABC第4題Pullgaugeistopullthepapertowardsthepositioningsurfacetoproducelateraldisplacementduringpositioning.Itisalsocalledsidepullgauge.Atpresent,thecommonpullgaugeis()ASectorplateswingpullgaugeBRotaryrollerpullgaugeCPullplatemovablepullgaugeDPneumaticpullgauge正確答案：ABCDTest6.3第1題Thepaperdeliveryrequirementsmainlyinclude:AZerospeedpapertaking:whentakingpaperfromthepaperfeedingtable,thespeedofthepaperdeliveryteethshouldbezero,thatis,thepositionedpapershouldbetakeninastaticstate.BConstantspeedpaperdelivery:whenthepaperisdeliveredtotheembossingcylinder,thespeedofthepaperdeliveryteethshallbethesameasthedirectionandsizeofthesurfacespeedoftheembossingcylinder.CTheprocessofacceleratingfromimpactorverysmallpointtopoint.DTheremustbeaperiodofhandovertimenomatterwhetherthepaperistakenorhandedin.正確答案：ABCD第2題Thepaperdeliverymethodsmainlyinclude:ATakethepaperdirectlyBIndirectpaperdeliveryCBeyondcontinuation正確答案：ABC第3題Accordingtothemovementmodeofthepaperdeliveryteeth,theswingpaperdeliveryteethcanbedividedinto:ACenteringswingBEccentricswingtypeCEccentricrotaryDContinuousrotary正確答案：ABC第4題Thecharacteristicsofindirectpaperdeliveryare:A"ComplexstructureBHighpaperdeliveryaccuracyCLowpaperdeliveryaccuracyDPoormotionstability正確答案：AB第5題Thecharacteristicsofsurpassingthepapercontinuationmethodareasfollows:AComplexstructureBSuitableforhighspeedprintingCHighpositioningaccuracyofpaper正確答案：BCTest6.4第1題Thepaperdeliveryteethoftheeccentricswingpaperdeliverymechanismswingaround()AFixedaxisBAxisofmotion第2題Motiontrackofeccentricswingpaperdeliverytooth()AUnidirectionalarcBAclosedcurveCReciprocatingcurve第3題Thepaperdeliveryteethofthecontinuousrotarypaperdeliverymechanismarecharacterizedby:()AMountedonthetransferroller.BThepaperdeliverydrumrotatescontinuously.CMakeitsownswingmotionontherotatingdrumtorealizethehandoverofpaper.DThemechanismmovessmoothlywithoutexcessiveimpact.正確答案：ABCDTest7.1第1題Thefunctionofthedeliverypartofthesheet-fedoffsetpressis:()ATheprintedsheetisremovedfromthelast-colorimpressioncylinderandconveyedtothedeliverytable.BAtthedeliverytable,theprintedmatterislinedupbythepapermanagementmechanism.CStacktheprintedsheetsintostacks.DThemovingpaperisaccuratelytransferredbetweenthevariousprintingunits.正確答案：ABC第2題Printingpressesalsohavehigherdesignrequirementsfordeliverycomponents.detailsasfollows:AItcanreliablyandaccuratelyoutputtheprintedsheetsandstackthemneatlyonthedeliverytable.BWhenthepaperisdelivered,theprintingsideoftheprintedsheet,thatis,thegraphicside,usuallyfacesupwards,andhassufficientlightingtofacilitatetheoperatortoclearlyobservetheprintedproduct.CNodamagetopaper,nodirtypictures,nodirtyprints.DInordertoreducethedowntime,thereshouldbeadevicetoreplacethepaperstackwithoutstoppingthemachinetoensurenon-stopoperation.正確答案：ABCD第3題Thedeliverypartsofthesheet-fedprintingmachinearemainlycomposedof()andthedeliverytable.AThetake-uproller.BThetake-upconveyor.CTheantifoulingdevice.DTheReducerandpaperhandlingmechanism.正確答案：ABCD第4題Theanti-foulingdeviceisalsoananti-scratchdevice.Themainanti-scratchmeasuresare:()ATheskeletondeliverydrum.BThestarwheeltake-uproller.CTheair-cushionedtake-uproller.DThesuctionguide.正確答案：ABCD第5題Thecharacteristicsofthechaindeliverytransferdeviceare:().AAllowssufficientdryingtimefortheprintedsheet.BThelengthofthedeliverychaindependsonthegenerallayoutofthemachine,theshorterthechain,themorecompactandeconomicalthemachineis.CItcanmeettherequirementsofdrying,dusting,antifouling,deceleration,smoothing,andstabledeliveryofprintedsheets.正確答案：ABC第6題Thecharacteristicsofchaintransferpaperare:()AThechainwillstretchafterwear,anditisdifficulttomaintainahightransmissionaccuracy.BItissuitableforoccasionswherethedistancebetweencolorgroupsislarge.CCompact.DAdjustmentandmaintenancearenotconvenientenough.正確答案：AB第7題Thefunctionofthepaperturningmechanismis()AMaketheprintingpressgothroughaprintingprocesstoprintonbothsidesofthepaper.BPassthepaper.CMakeprintinginkeasytodry.第8題Themethodsofpapertransferbetweenunitsareasfollows:()AThepaperdeliverymechanismdeliversthepaperBChainpasspaperCRollertransfer正確答案：BC第9題Whenusingthetransferrollermethodtotransferthepaper,thenumberoftransferrollersbetweenthetwocolorgroupsshouldbe()AOddnumberBEvennumberCBothoddandevennumbersareacceptable.Test7.2第1題Thefunctionofthedeliverypartofthesheet-fedoffsetpressis:()ATheprintedsheetisremovedfromthelast-colorimpressioncylinderandconveyedtothedeliverytable.BAtthedeliverytab