汽車專業(yè)英語智慧樹知到期末考試答案章節(jié)答案2024年武漢科技大學(xué)

汽車專業(yè)英語智慧樹知到期末考試答案+章節(jié)答案2024年武漢科技大學(xué)Inanelectriccar,thecontrollertakesinhundredsvoltsDC,anddeliversittothemotorinacontrolledway.（）

答案:對Anyelectriccarthatusesbatteriesneedsachargingsystemtorechargethebatteries.（）

答案:對Variablesteeringratiomakesthecarrespondquicklywhenstartingaturn,andalsoreduceseffortnearthewheel’sturninglimits.（）

答案:對Airflowmeasurementisbyoneoftwobasicmethods:massairflowandspeeddensity.()

答案:對Justbeforethebottompowerstroke,theexhaustvalvecloses.()

答案:對Whenanelectriccarison,theaccessoriesgettheirpowerfromtheDCtoDCconverter.（）

答案:對Thepurposeoftheengine’scoolingsystemistoremoveallheatfromtheengine.()

答案:錯Atierodconnectstoeachendoftherack.（）

答案:對Theenergytostopthevehicleisnormallydissipatedasheatinthedrumsorrotors.（）

答案:對Thebasicprincipleoftheelectricalsparkignitionsystemhaschangedforover75years.（）

答案:錯Theoperationalcontrolsofacruisecontrolsystemareusuallylocatednearthesteeringwheelsotheycanbeeasilyoperatedbythedriver.（）

答案:對Inadditiontotransferringpower,theringandpinionmustcausethepowertomakea90°turnbetweenthedriveshaftandwheels（）.

答案:對Theoilpumpcontinuestocirculatetheoilaslongasengineisrunning.()

答案:對TCSmeanstractioncontrolsystem.（）

答案:對Nowadays,contact-pointignitionsystemisoftenusedonthemoderncars.（）

答案:錯EFIusessolenoidvalvescalledinjectorstometerfueldelivery.()

答案:對IntheACcontroller,foreachphaseyouneedonesetoftransistorstopulsethevoltageandanothersettoreversethepolarity.（）

答案:對Thecrankshaftismadeupofvariouspartssuchas()andflywheelend.

答案:counter-balancedweight###rodjournal###crankarmbearing###mainbearingjournalsThechargingsystemhadtwogoals:（）

答案:Tomonitorthebatteriesandavoiddamagingthemduringthechargingprocess.###Topumpelectricityintothebatteriesasquicklyasthebatterieswillallow.Thepistoniscomposedof(),pistonlandsandpistonpinhole.

答案:pistonskirt###pistonhead###pistonringsTherearetwotypesofcoolingsystems—().

答案:liquid###airThecylinderheadcarriesthe()andtherockershaft.

答案:valvesprings###valvesWhatarethekeypartsofthesuspensionsystem?()

答案:springs###shockabsorbersAtorqueconvertercontainsthefollowingmainparts（）。

答案:stator###impeller###turbineThesubsystemsofthesuspensionsystemare:()

答案:therearsuspension###thefrontsuspensionThefrontandrearwheelsareattachedtothechassisbya().

答案:suspensionsystemThecoolingsystemkeepstheenginerunningatitmost()temperature.

答案:efficient15.Whichsectionisthebrainoftheautomatictransmissionthatdirectshydraulicfluildtothenumerousvalves?

答案:Valvebody()areusuallydrilledtoprovidelubricationtothepistonpin,andalsotosprayoilintothebottomofthepistonforpistoncoolingonsomedesigns.

答案:connectingrodsOneofthefunctionsofthedifferentialistosendthepowerto（）inarear-wheel-drivecar.

答案:2drivewheelsAspacethatiscompletelyemptyofallsubstances,includingallairorothergas()

答案:vacuumAccordingtothemethodofignitionoftheair-fuelmixture,enginesaredividedinto()

答案:gasolineengineanddieselengineTherodjournalsareboredhollowinordertoreducethecrankshaft().

答案:inertiaApartattachedtothewheelsofavehiclethatmakesitmorecomfortableonroadsthatarenotsmooth()

答案:suspension16.Whenmightanopendifferentialbeaproblem?

答案:DrivingoniceA（）withabrakefluidreservoironithas2independentworkingchambers.

答案:brakecaliper23.Whatisothernameforabrakerotor?

答案:Brakedisc10.Whatisthemostcommonproblemassociatedwithclutches?

答案:ThefrictionmaterialonthediskwearsoutJustbeforethebottomofpowerstroke,theexhaustvalve().

答案:opens20.Atwo-piecetubulardriveshaftwitharubberelementpressedbetweenthetwotubes,whichreduces

,isuesedonsomevehicle.

答案:torsionalvibrationAlmostallmodernbrakingsystemsuseaboosterthatusestheenginevacuumtoincreasetheforcethebrakeleverappliestothemastercylinder.（）

答案:對Infull-flowfilteringsystem,theoutputoftheoilpumpflowsthroughtheoilfilterbeforemovingthroughengine.()

答案:對Thefuelmaybeignitedeitherbyasparkorbycompression.（）

答案:對Springsabsorbtheshocksoftheroadsurfacesothatpassengershaveacomfortableride.（）

答案:對Fuelfilersareusedtostopanycontaminationfromgettingintothefuelsystemofbothgasolineanddieselengines.()

答案:對Onceawheelislocked,itdoesnotprovideanylateralcontrolofthevehicle.（）

答案:對Thecoolingsystemremovesexcessiveheatfromtheengine.()

答案:對Anelectriccarhasanormal12-voltlead-acidbatterytopoweralloftheaccessories.（）

答案:對Foracartoturnsmoothly，eachwheelmustfollowadifferentcircle.（）

答案:對Thewheelspeedsensorssignalsaretypicallygeneratedviaapickupcoilmountedadjacenttoatoothedringateachcontrolledwheel.（）

答案:對Generally,themixtureignitedinthecombustionchamberofadieselengine.（）

答案:錯Therearwheelsofavehiclemustturnatsamespeedswhenroundingtheslightestcorner（）

答案:錯Asrpmisincreased,uptoapoint,airflowalsoincreasesanfuelflowmustincreasetomatchit.()

答案:對MostABSandTCSECUsarerelativelyinsulatedfromcrashdamage.（）

答案:對Thereare（）whichaffecttheoperationofhydraulicvalvesinthehydrauliccontrolsystem.

答案:modulatorpressure###governorpressureTheclutchassemblycontainsfollowingmainparts（）。

答案:Flywheel,clutchdiskandpressureplate###Releasebearingandreleasefork###Impeller,stator,andturbineThereareseveralbasictypesofspringsinautomotivesuspensions.Theyare:()

答案:torsionbars###coilsprings###leafspringsWhicharethejobsoffinaldrive?（）。

答案:distributethepower###lowerthespeed###increasethetorque24.Flexibilityinbrake

linesisimportantbecauseithelpsprevent

.

答案:alloftheaboveslavecylinder（）.

答案:從動缸Whichofthefollowingisnotapartofthechassis？()

答案:lubricationsystemWhatisthemostcommonproblemassociatedwithclutches?（）.

答案:Thefrictionmaterialonthediskwearsout1.Foranenginetomakethebestuseofthefuel,thesparkshouldoccurbeforethepistonreachesthetopof

.

答案:thecompressionstrokeignitioncoil（）.

答案:點火線圈The()isadeviceusedtoconvertthechemicalenergyintomechanicalenergy.

答案:internalcombustionengineHowmanyignitioncoilsarethereinanon-distributorignitionsystemfora4-cylinderengine?（）

答案:Four25.Whatisthepurposeofallthebendsandloopsinbrakelines?

答案:TheyaddflexibilityThepartsofacarthatallowyoutocontrolitsdirection()

答案:SteeringIfyouhavetoswitchmanuallyfrom2-wheeldriveto4-wheeldrive,itiscalled（）.

答案:Parttimedrive5.Inadistributorlessignitionsystem,whatcomponenthastotalcontroloversparktiming?

答案:Theenginecontrolunit(ECU)22.Whatisarguablythemostimportantautomobilebrakepart?

答案:Thebrakecaliperclutchdisk（）.

答案:離合器從動盤Watertemperaturesensorisusuallymountedintheintakemanifoldorairfilterarea.()

答案:對Becauseofpracticalslip-thresholdtradeoffs,ABSequippedvehiclesmayshowaslightlyincreasedstoppingdistance.（）

答案:對Thesuspensionprotectsthevehicleitselfandanycargoorluggagefromdamageandwear.（）

答案:對Tractioncontrolappliesthebrakesmomentarilytooneofthedrivewheelswheneverthewheelspeedsensorsindicatesawheelisgoingfasterthantheothersduringacceleration.（）

答案:對ToimprovebrakingeffectivenessisthemostimportantreasonfortheuseofABS.（）

答案:錯Thepowerfromenginemovesthroughthetransmission.()

答案:對Thesolenoidvalveconstantlymodulatesvacuumtotheservoinresponsetocommandsfromtheelectroniccontroller.（）

答案:對Theringandpiniongearsareusedtotransfertheenginepowerfromthedriveshafttothefrontwheels.（）

答案:錯WhenABSisnotactivated,thefoundationbrakesoperatenormally.（）

答案:對Thedrivingaxleassembliescontains（）。

答案:thefinaldrivegears###axleshaftTherearetwousualforceinputstoamotorvehicle:（）

答案:brakefriction###enginetorqueTheprimarycircuitcontains（）。

答案:breakerpoints###ignitionswitchModerncarsuseoneoftwocommontypesofoilpumps—().

答案:gear###rotorAnengineismainlycomposedoftwomechanismsand()systems

答案:five2.Thepistonspeedincreasesastheenginespeedincreases.Thismeansthatthefastertheenginegoes,thesparkhastooccur

.

答案:earlierAdevicethatisplacedinsideacarengine,clock,radio,etc.andthatproducestheelectricitythatmakesitwork()

答案:BatteryWhenyouparkyourcaronanunevenroad,youhavetouse（）.

答案:parkingbrakediaphragmspring（）.

答案:膜片彈簧9.Howmanyclutchesareinanautomatictransmission?

答案:Severalfrictionlining（）.

答案:摩擦襯片12.Inanautomatictransmission,theshiftleverhooksuptothe

.

答案:manualvalveOnavehiclethathasanengine-drivencoolingfanwithathermostatically-controlledviscousclutch——whatactuallydrivestheclutch?（）

答案:Thetemperatureofthefluiddriveshaft（）.

答案:傳動軸Generally,inthefrontfaceoftheflywheel,thereisashallowindentationusedtodeterminethepositionofthepistoninthe()cylinde

答案:firstInanelectriccar,mostcontrollerspulsethepowermorethan15,000timespersecond,inordertokeepthepulsationoutsidetherangeofhumanhearing.（）

答案:對Inmostcars,theoilpumpisinthecrankcaseabovethesump.()

答案:對Thedistancethataspringcompressedunderforcedependsontherateofthespring.（）

答案:對Bymonitoringthefrequencyoutputofeachwheelspeedsensors,theECUcandecideifanindividualwheelslipexceedsadesiredthreshold.（）

答案:對TheMacphersonsystemusesthecoilsprings.（）

答案:對Aradiatorisatypeof()ex-changer

答案:heat（）islocatedbetweentheengineandtransmission.

答案:ClutchortorqueconverterThefour-strokecycleoperatesinwhichorder?()

答案:intake,ecompression,power,exhaust4.Theprimaryroleofthedistributoristodistributehighvoltagefromthe

tothecorrectcylinder.

答案:coilThetypeofpowerneededtomakeavehiclemove,ortopullaheavyload()

答案:traction21.Whatdobrakecalipersdo?

答案:TheysqueezethebrakepadsagainstthebrakerotorWhatdoalmostallcarsusetoconvertgasolineintomotion?()

答案:four-strokecombustioncycleBetweenthebrakepedalandthemastercylinderisthe（）whichincreasesthebrakeforcetomakethecarslowdownorstopwithlesseffort.

答案:brakeboosterForidentificationpurpose,manufacturesclassifyautomobileenginesjustbytheircylinderarrangement.()

答案:對Thespeedsensorprovidesasignaltothecruiseelectroniccontrollerindicatingthevehiclespeed.（）

答案:對Inordertoreducethespeedofthevehicle，thebrakeshavetoconvertthekineticenergystoredinthevehicletoelectricalenergy.（）

答案:錯Tractionisaparticularformofpowerthatmakesavehiclemove.（）

答案:對Thetypicalbrakesystemconsistsofdrumbrakesinfrontandeitherdiskordrumbrakesintherear.（）

答案:錯ABSmeansanti-lockbrakingsystem.（）

答案:對Thefrontwheelsmustpointinjusttherightdirectionforthecartomovestraightdowntheroadandturnproperly.（）

答案:對Thewheelactuatorsforceafrictionmaterialagainstarotatingsurfacetogenerateaforcethatstopthevehicle.（）

答案:對Inanelectriccar,theverysimplestDCcontrollerwouldbeabigon/offswitchwiredtotheacceleratorpedal.（）

答案:對Whenthecaseturns,thedifferentialpinionshaftturnswithit.（）

答案:對DCmotorsisgreatforshortburstsofacceleration.（）

答案:對Generally,lighter,sportiercarshavelowersteeringratiothanlargercarsandtrucks.（）

答案:對Toprovideamoreandcontinuousflowofpower,automobileshaveengineswithsix,eight,twelveorfourteencylinders.()

答案:對ControlofvehicletrackisthemostimportantreasonfortheuseofABS.（）

答案:對Thecruisecontrolisdisengagedwheneverthebrakepedalisdepressed.（）

答案:對Thecoolingsystemisdesignedtostayoutoftheactionuntiltheengineiswarmedup.()

答案:對Thetorsionbarisathinrodofmetalthattwistswhentorqueisappliedtoit.（）

答案:對Automobilehavemanykindofstructureandshape,buttheirbasicstructureisdifferenteachother.()

答案:錯Thelubricationsystemisimportantinkeepingtheenginerunningsmoothly.()

答案:對Aradiatorisatypeoftheheatex-changer.()

答案:對TheprimarypurposeofABSistopreservedirectionalstabilityandallowthedrivertocontinuesteeringduringemergencybraking.（）

答案:對Cruisecontrolcansavegasbyavoidingsurgesthatexpelfuelwhiledrivingatsteadyspeeds.（）

答案:對Itmakessensefromaneconomicstandpointforanelectriccartousethenormal12-voltlead-acidbatterythateverycarhas.（）

答案:對Abatterypackcontainsmanybatteries,wiredinseriestocreatehundredsvolts.（）

答案:對Thehydrauliccontrolsystemisresponsibleforavarietyofmajoractivitiesthatinvolvepressureandperformancecircuits.（）

答案:對Theoilfilterensuresthatonlydirtyoilenterstheengine.()

答案:錯Themajorityofenginesinmotorvehiclestodayarefive-strokepistonengine.()

答案:錯Duringcruisecontroloperation,theservocontrolsthethrottlepositionbychangingtheamountofvacuumintheservo.（）

答案:對Duringcharging,thechargersendsasmuchcurrentasitcan.（）

答案:錯Thetransmissionisdesignedforchangingthespeedandpowerfromtheclutchtothepropellershaft.（）

答案:錯Somedisadvantagesofcruisecontrolsystems：（）

答案:speedingaroundcurvesthatrequireslowingdown###rainyorwetweathercouldlosetraction###increasingtheriskofanaccident###roughorlooseterrainthatcouldnegativelyaffectthecruisecontrolcontrolsThefuelsystemconsistsoflines,(),carburetor,andinjectors.

答案:fueltank###pump###filterThecoolingsystemofawater-cooledengineconsistsoftheengine’swaterjacket,awaterpump,aradiatorandradiatorcap,a()ect.

答案:fan###thermostatAcarusesafour-strokeengine.Thefourstrokesare()strokes.

答案:exhaust###compression###power###intakeTherequirementsofasteeringsystemare:（）

答案:easyofhandling###gooddirectionalcontrol###stabilityDiskbrakeisconsistedof（）。

答案:twobrakepads###abrakecaliper###abrakediskInoperation,theconnectingrodissubjectedtoboth()and().（）

答案:inertialoads###gaspressureThebodyistheenclosurethathousesthe().

答案:passengers###cargo###engineWhichpartismountedonthebackplateinadrumbrake?（）。

答案:brakeshoes###wheelcylinder###adjusterTheengineoilformsasealbetweenthe()andcylinders

答案:rings###pistonsinertialforcemeans()

答案:慣性力13.WhichstatementiswrongaboutAT?

答案:Planetarygearsetswhicharethemechanicalsystemsthatonlyprovidethevariousforwardgearratioswhatisthepurposeofthebrakehosesinthebrakesystem?（）

答案:theyaddbrakeforce()oftheconnectingrodisprovidedwithanI-crosssectiontogivetherodmaximumrigiditywiththeminimumofweight.

答案:shankreleasebearing（）.

答案:分離軸承（）multipliesenginetorquetoanincreasingextentasvehiclespeeddropsandthrottleopeningisincreased.

答案:AutomatictransmissionThegood（）hasagreatimpactontheengineperformance,fueleconomyandexhaustpollution.

答案:ignitionsystemThe()istheenclosurethathousestheengine,passengers,andcargo.

答案:body8.Whatistheothernameforathrow-outbearing?

答案:Clutchreleasebearing17.Whenawheelslips,whattypeofdifferntialallowsmoretorquetobetransferredtothenon-slippingwheel?

答案:Limitedslipdifferentialsbrakebooster（）.

答案:制動助力器The()isarelativelyheavymetalwheel

答案:flywheel14.Whichpartsendstransmissionfluidunderpressuretoallpartsofthetransmissionandtorqueconverter?

答案:HydraulicsystemThe（）isthebasicpartoftheengine.Itformsthemainframeworkorfoundationoftheengine.

答案:cylinderblockAnisa()componentthattypicallysealsthebottomsideoffour-stroke,internalcombustionengines.

答案:oilpanThetorqueconverterreplacestheconventional（）.

答案:clutchbattery（）.

答案:蓄電池18.Thedriveshaftconnects

to

.

答案:thetransmissionoutput;thedifferentialpinionshaftThe()givestheautomobileitsstoppingpower.

答案:brakesystemplanetgear（）.

答案:行星輪Theaccessorybatteryofanelectriccarisa300-voltbattery.（）

答案:錯ElectriccarscanuseACorDCmotors.（）

答案:對Inanelectriccar,DCinstallationstendtobesimplerandlessexpensive.（）

答案:對Thecontrollerofanelectriccartakespowerfromthebatteriesanddeliversittothemotor.（）

答案:對ACmotorsandcontrollersoftenhavearegeneratorfeature.（）

答案:對Bycontrollingthethrottleposition,thespeedofthevehicleismaintainedaccordingtothecruisecontrolsettings.（）

答案:對Mostcruisecontrolsystemshavetheabilitytoletthedriverincreaseordecreasethespeed.（）

答案:對Thecruisecontrolisdisengagedwheneverthebrakepedalisdepressed.（）

答案:對Vacuumintheservoisnotavailablefromalineconnectedtotheairintakeduringcruisecontroloperation.（）

答案:錯Whenthebrakepedalisdepressed,thebrakereleasedswitchdisengagesthecruisecontrolsystem.（）

答案:對Diskbrakesrequirehigherapplicationpressurethandodrumsbecausetheyarenotself-actuating.（）

答案:對Optimumbrakingisachievedwhentheslipis10percentto15percent.（）

答案:對Over-applyingfoundationbrakescancausewheelstolock(100%slip).（）

答案:對Ifthefrontwheelslock,thevehiclewilltendtospinout(rearendmovingforward).（）

答案:錯Ifthefrontwheelslock,thevehiclecannotbesteered.（）

答案:對Suspensionsystemsmustsupportbothroadholding/handlingandridequality,whichareatoddswitheachother.（）

答案:對Inmostofcars,themountingoftheshockabsorberslessensaxletwist.（）

答案:對Torsionbars’springratedependsonthediameterandlengthofthebar.（）

答案:對Thestabilizerbarhelpsbalancetheloadbetweenthewheels.（）

答案:對Thethickerthecoilsinacoilspring,thestifferitisandthehigheritsrate.（）

答案:對Thelowersteeringratiogivesthesteeringaquickerresponse.（）

答案:對Therack-and-piniongearsetconvertstherotationalmotionofthesteeringwheelintothelinearmotion.（）

答案:對Adrivercanusethesteeringsystemtocontrolthepositionofacar'sfrontwheels.（）

答案:對Thepumpmovesmuchmorefluidthannecessarywhentheengineisrunningatfasterspeed.（）

答案:對Therack-and-piniongearsetprovidesagearreduction.（）

答案:對Therearesomegeneraltypesofdiscbrake（）

答案:fixedcaliper###floatingcaliperWhatdobrakecalipersdo?（）。

答案:TheysqueezethebrakepadsagainstthebrakerotorWhatisthepurposeofallthebendsandloopsinbrakelines?（）。

答案:TheyaddflexibilityWhatisarguablythemostimportantautomobilebrakepart?（）

答案:ThebrakecaliperWhatisothernameforabrakerotor?（）。

答案:BrakediscAtwo-piecetubulardriveshaftwitharubberelementpressedbetweenthetwotubes,whichreduces（）,isusedonsomevehicle.

答案:torsionalvibrationThedriveshaftconnects（）to（）.

答案:thetransmissionoutput;thedifferentialpinionshaftWhenawheelslips,whattypeofdifferentialallowsmoretorquetobetransferredtothenon-slippingwheel?（）。

答案:LimitedslipdifferentialsWhenmightanopendifferentialbeaproblem?（）。

答案:Drivingonice（）allowsthedriveshafttoflexwhenthedriveanglechanges.

答案:U-jointWhichstatementiswrongaboutAT?（）。

答案:PlanetarygearsetswhicharethemechanicalsystemsthatonlyprovidethevariousforwardgearratiosWhichpartsendstransmissionfluidunderpressuretoallpartsofthetransmissionandtorqueconverter?（）

答案:HydraulicsystemWhattellstheautomatictransmissionhowfastthecarisgoing?（）。

答案:ThegovernorWhichsectionisthebrainoftheautomatictransmissionthatdirectshydraulicfluidtothenumerousvalves?（）

答案:ValvebodyInanautomatictransmission,theshiftleverhooksuptothe（）。

答案:manualvalveHowmanyclutchesareinanautomatictransmission?（）。

答案:SeveralInacar’sclutch,aflywheelconnectstotheengine,andaclutchplateconnectstothe（）.

答案:transmissionWhatisthemostcommonproblemassociatedwithclutches?（）。

答案:ThefrictionmaterialonthediskwearsoutWhichofthefollowingarecommonreasonsthatacar’sclutchmaystick?（）

答案:Abrokenorstretchedclutchcable###Afailurefriction###AirinthehydrauliclineWhatistheothernameforathrow-outbearing?（）。

答案:ClutchreleasebearingAccordingtoyourunderstanding,retardingthetimingmayalsoeliminate（）。

答案:knockingTheprimaryroleofthedistributoristodistributehighvoltagefromthe（）tothecorrectcylinder.

答案:coilThepistonspeedincreasesastheenginespeedincreases.Thismeansthatthefastertheenginegoes,thesparkhastooccur（）。

答案:earlier1.Foranenginetomakethebestuseofthefuel,thesparkshouldoccurbeforethepistonreachesthetopof（）。

答案:thecompressionstrokeFunctionsofignitionsystemare（）

答案:controlthetimingofspark###createaspark###ignitethemixturepiston###sendsparktocorrectcylinderWhatisthecoolingagentintheliquidcoolingsystem?()

答案:coolantThewaterpumpuses()tosendfluidtotheoutsidewhileitspins,causingfluidtobedrawnfromthecentercontinuously.

答案:centrifugalforceThecoolingsystemisdesignedtoworkallthetimewhentheengineisrunning.（）

答案:錯Thecoolingsystemofawater-cooledengineconsistsoftheengine’swaterjacket,a（）andradiatorcap,acoolingfan(electricorbelt-driven),hoses,andusuallyanexpansion(overflow)tank.

答案:radiator###thermostat###waterpumpSomeengine