第1題Settingupatransmissiononacaristochangetheenginetorqueandincreaseenginepower.()第2題Whenclimbingahillwithafullyloadedcar,thetransmissionshouldbeinthehighestgear.()第3題Agearwithahightransmissionratioiscalledhighgear.()第4題Theuseofeconomygearinthetransmissioncansave4-8%offuel,whilealsoreducingenginenoiseandwear.()第5題Whentheengineisworkingandtheclutchisengaged,thedirectionoftheinputshaftofthetransmissionisthesameasthatoftheengine.()第6題Themainfunctionofthemanualtransmissiontransmissiontransmissionmechanismistochangetheoutputtorque,rotationdirection,androtationspeedoftheengine.()第7題Thetransmissionincludestwomainparts:thetransmissionmechanismandthespeedcontrolmechanism.()第8題Thelubricationmethodformanualtransmissionsisgenerally____.APressuretypeBSplashtypeCPreinjectiontypeDPressureSplashComposite第9題Improperadjustmentoftheshiftcontrolmechanismmaycauseafaultinthe____system.AGearimpactBDifficultyshiftinggearsCSkipgearDTheaboveitems第10題Thetransmissionratioofapairofmeshinggearsistheratioofitsdrivengear’s____tothedrivinggear.ANumberofteethBspeedCangularvelocityDCircumferentialvelocity第1題Forasymmetricalbevelgeardifferential,whenthespeedofthedrivewheelsonbothsidesisunequal,theplanetarygearsonlyrotateanddonotrotate.()第2題Symmetricbevelgeardifferentialalwaysevenlydistributestorquetotheleftandrighthalfshaftgearswhentheplanetarygearsdonotrotate.()第3題Thedifferentialoperatesinstraightlinesandturns.()第4題Thefunctionofthedifferentialistoallowtheleftandrighthalfshaftstorotateatdifferentangularspeeds.()第5題Ifthemainreduceruseshyperbolicgears,specializedhyperbolicgearoilshouldbeused.Ifitisnotavailableatthemoment,ordinarygearoilcanalsobeusedinstead.()第6題Thefunctionofthemainreduceristoreducespeed,increasetorque,andchangethedirectionoftransmission.()第7題Themainreducersonthevehicleareallplanetarygeartype.()第8題Thetwo-stagemainreducerisadualspeedmainreducer.()第9題Intheadjustmentprojectofthemainreducer,theitemthatmustbeadjustedfirstis____.ABearingpreloadBThemeshingclearancebetweenthemasterandslaveteethCThemeshingmarksofthemasterandslaveteethDNorequirements第10題Themainreducerofthedriveaxleisusedtochangethetransmissiondirection,reducethespeedand____.AGeneratinggroundclearanceBGeneratedecelerationratioCIncreasetorqueDReducetorque第11題Thereasonwhyitisdifficulttodriveoutofacarequippedwitharegularplanetarygeardifferentialwhenoneofthedrivewheelsgetsstuckinamudpitis____.AThiswheelhasnotorqueeffect,andthewheelsonthegoodroadsurfacereceivethesamesmalltorqueasthiswheelBAtthistime,thetwowheelsareturninginoppositedirectionsCDifferentialnotworking第12題Whenthecaristurning,theplanetarygearsinthedifferentialare____.AOnlyrotation,norevolutionBOnlyrevolution,norotationCTherearebothrevolutionandrotationDNotrotatingtask3第1題Whataretheparametersofpassivesuspensionthatcanbeadjusted____.ADampingcoefficientC;BStiffnessK;CStiffnessKanddampingcoefficientC;DNoneofthemcanbeadjusted.第2題Whataretheparametersofactivesuspensionthatcanbeadjusted____.ADampingcoefficientC;BStiffnessK;CStiffnessKanddampingcoefficientC;DNoneofthemcanbeadjusted.第3題Whataretheparametersofsemi-activesuspensionthatcanbeadjusted____.ADampingcoefficientC;BStiffnessK;CStiffnessKanddampingcoefficientC;DNoneofthemcanbeadjusted.第4題Afterthebushingoftheswingarmisdamaged,theswingarmassemblyshouldbereplaced()第5題Wheninstallingsuspensioncomponents,theboltsshouldbetightenedtothepointwheretheycannotbetightened,otherwisetheremaybelooseness()第6題Whendisassemblingtheshockabsorber,apresetwrenchshouldbeused()第7題Beforedisassemblingthefrontswingarmballhead,cottonclothshouldbeusedtoprotecttheballheadfromdamage()第8題Vehicleswithmultilinksuspensionstillhavegoodhandlingwhilemaintainingcomfort()第9題Inthedoublewishbonesuspensionstructure,thefour-wheelpositioningparametersarepreciselyadjustable()第10題TheMacPhersonindependentsuspensionhasasimplestructure,compactlayout,andlessunsprungmass.Whenusedforfrontsuspension,itcanincreasethespaceontheinsideofbothfrontwheels,soitismostlyusedonsedanswithfrontenginefrontwheeldrive()第11題TheMacPhersonindependentsuspensionhasanactualmainpin()第12題Thefunctionoftheguidingmechanismistoattenuatethevibrationofthevehiclebody()第13題Themainfunctionofelasticelementsistoalleviateroadimpact()第14題Theaxleofanindependentsuspensionisdividedintotwosections,andwhenonewheeljumps,theotherwheelisnotaffected()第15題Nonindependentsuspensionprovidesbetterridecomfortthanindependentsuspension()第16題Carsuspensionisageneraltermfortheelasticconnectiondevicebetweentheframe(orbody)andtheaxle()task4第1題Floatingcaliperdiscbrake,thebrakecalipercanmoveradiallyrelativetothebrakedisc,pushingthefrictionplateagainstthebrakediscandgeneratingfriction,controllingthewheelrotationthroughfriction.()第2題Thebrakingefficiencyofdiscbrakesisbetterthanthatofdrumbrakesbecausediscbrakeshaveaselfincreasingforceeffect.()第3題Afterthebrakeisreleased,theoilpipewillmaintainacertainpressuretopreventairfromenteringthehydraulicsystem.()第4題Theautomaticreturnofthediscbrakeismostlyachievedthroughtheoilsealinthemiddleofthepiston.()第5題Thebrakingefficiencyofacarreferstoitsabilitytoquicklyreducedrivingspeeduntilitstops.()第6題Theworkingprincipleofthebrakingsystemistorelyonthemutualfrictionbetweenrotatingandnonrotatingcomponentstopreventtherotationortendencyofthewheels,andtoconvertthekineticenergyofthemovingcarintotheheatgeneratedbyfrictionanddissipateitintotheatmosphere.()第7題Hydraulicbrake,abrakingsystemthatuseshydraulicpressureasthemediumfortransmittingbrakingenergy.()第8題Therotationdirectionisthesame,sothevehiclecanslowdownorevenstop.()第9題Whenbraking,thenonrotatingbrakeshoesapplyafrictiontorquetotherotatingbrakedruminthesamedirectionasthewheel()第10題Thebrakingefficiencymainlydependsonthesizeofthebrakingforce,whichisonlyrelatedtothefrictiontorqueofthebrake.()第11題Thefunctionofthebrakingsystemistoquicklyslowdownorstopamovingcar,sothatastationarycarcanreliablystayinplace,slowdown,stop,orpark.()第12題Thefunctionofthedrivingbrakedeviceistoslowdownorstopthecarintheshortestdistancewhiledriving,soastomaintainastablespeedfordownhilldriving.()第13題Whenbraking,thestrokeofthebrakepedalistoolarge.Whichofthefollowingmaybethecause:()AThepistonofthebrakewheelcylinderisstuckBThegapbetweenthebrakeshoesandbrakedrumistoosmallCExcessivewearofbrakeshoesDIncorrectadjustmentofparkingbrake第14題Thecustomercomplainedthatwhensteppingonthebrakepedalwithsteadyforce,thebrakepedalonlyslowlymovestowardsthefloorwithoutanysignsofbrakefluidleakage.Whichofthefollowingfouritemsismostlikelytobethecauseofthefault?.()ATheoverflowvalveisnotworkingproperlyBExcessivewearandtearontheentireleatherbowlCExcessivewearandtearontheauxiliaryleatherbowlDThepistonspringbecomessoft第15題Jiasaidthattheexcessivestrokeofthebrakepedalmaybecausedbythelowbrakefluidlevel;Bsaidthattheexcessivestrokeofthebrakepedalmaybecausedbyairmixinginthehydraulicsystem.Whoiscorrect:()AOnlyAiscorrectBOnlyBiscorrectCBotharecorrectDBothareincorrect第16題Use()tomeasuretheheightofthebrakepedal.AMagneticbasedialgaugeBVerniercaliperCFeelergaugeDSteelruler第17題Amongthefollowingformsofbraketransmissionmechanisms,()isonlyusedforhandbrake.AMechanicalBHydraulictypeCPneumaticDNoneoftheabove第18題Theevaluationindicatorsforbrakingefficiencyincludebrakingdistance,brakingtime,and().ABrakingaccelerationBBrakedecelerationCFastbrakingspeedDSlowbrakingspeed第19題SinglechoicequestionWhenbrakingacar,thebrakingperformanceisoptimalwhenthesliprateofthewheelsisaround()%.A100B50C75D20task5第1題Theelectricpowersteeringsystemdoesnotrequireacornersensor.()第2題WhentheEPSmalfunctionlightonthedrivinginstrumentpanelremainson,itindicatesamalfunctionintheelectronicpowersteeringsystem()第3題Theanglesensorisanimportantcomponentoftheelectricpowersteeringsystem.()第4題Thehydraulicoilofthehydraulicpowersteeringsystemdoesnotneedtobereplacedinatimelymanner.()第5題Thehydraulicpowersteeringsystemmaintainsthesamelevelofassistanceinanysituation.()第6題Theelectricpowersteeringsystemdoesnotrequireasteeringjoint.()第7題Whenthecarisnotstarted,thepowersteeringsystemcanalsofunctionnormally.()第8題Themostcommonlyusedformofpowersteeringcurrentlyiselectricpowersteering().()第9題Whenthecaristurning,theleftandrightwheelsrotateatthesameangle.()第10題Whenthecarisinmotion,thetiresalwaysengageinpurerollingmotion.()task6第1題Impropercoordinationbetweenfrontwheelcamberandtoeincanleadtoincreasedabnormaltirewear.()第2題Thefronttoeistoolargeandthesteeringisheavy,sothesmallerthefronttoevalue,thebetter.()第3題Theinclinationangleofthemainpinhasadualeffectofmakingsteeringdifficultandlabor-saving.()第4題Ifthecasterangleistoosmall,itiseasyforthefrontwheelstoswayandthesteeringwheeltoswaywhenthecarisdrivinginastraightline.()第5題Themagnitudeofresistanceencounteredbyacarduringsteeringisrelatedtothesteeringwheelalignmentangle.()第6題Thefour-wheelalignmentparametersincludethefrontwheeladvanceangle.()第7題Whenperformingfour-wheelalignmentonacar,aliftisrequired.()第8題Improperfour-wheelalignmentcanleadtoabnormalwheelwear.()第9題Onefunctionofthewheelcamberangleistobringthewheelsbacktonormal.()第10題Carsshouldundergoafour-wheelalignmentcheckeverytwoyears.()task7第1題Theclutchinanautomatictransmissionisoperatedandcontrolledmechanically.()第2題Inahydraulictorqueconverter,thetorqueofthepumpwheelincreasesduetotheactionoftheguidewheel.()第3題PlanetarygearmechanismscanbedividedintoSimpsontypeandfixedshafttypeaccordingtotheircombinationforms.()第4題Thesolenoidvalvesinautomatictransmissionscanbedividedintoswitchtypeandlinearpulsetype.()第5題Onlywhenthe"O/DOFF"indicatorlightisoffcantheautomatictransmissionshifttooverdrive.()第6題VehiclesequippedwithautomatictransmissionscanonlystarttheengineinPandNpositions.()第7題Theshiftsignaldeviceofahydraulicautomatictransmissionconsistsofathrottlevalveandaspeedcontroller.()第8題Equippingthesamevehiclewithanautomatictransmissionismorefuel-efficientthanequippingitwithamanualtransmission.()第9題Theplanetarygeartransmissiondeviceintheautomatictransmissioncanplayareverserole.()第10題Automatictransmissionisactuallyacontinuouslyvariabletransmission.()第11題Drivingonfrequ