汽车专业英语智慧树知到期末考试答案章节答案2024年武汉科技大学

汽车专业英语智慧树知到期末考试答案+章节答案2024年武汉科技大学Inanelectriccar,thecontrollertakesinhundredsvoltsDC,anddeliversittothemotorinacontrolledway.（）

答案:对Anyelectriccarthatusesbatteriesneedsachargingsystemtorechargethebatteries.（）

答案:对Variablesteeringratiomakesthecarrespondquicklywhenstartingaturn,andalsoreduceseffortnearthewheel’sturninglimits.（）

答案:对Airflowmeasurementisbyoneoftwobasicmethods:massairflowandspeeddensity.()

答案:对Justbeforethebottompowerstroke,theexhaustvalvecloses.()

答案:对Whenanelectriccarison,theaccessoriesgettheirpowerfromtheDCtoDCconverter.（）

答案:对Thepurposeoftheengine’scoolingsystemistoremoveallheatfromtheengine.()

答案:错Atierodconnectstoeachendoftherack.（）

答案:对Theenergytostopthevehicleisnormallydissipatedasheatinthedrumsorrotors.（）

答案:对Thebasicprincipleoftheelectricalsparkignitionsystemhaschangedforover75years.（）

答案:错Theoperationalcontrolsofacruisecontrolsystemareusuallylocatednearthesteeringwheelsotheycanbeeasilyoperatedbythedriver.（）

答案:对Inadditiontotransferringpower,theringandpinionmustcausethepowertomakea90°turnbetweenthedriveshaftandwheels（）.

答案:对Theoilpumpcontinuestocirculatetheoilaslongasengineisrunning.()

答案:对TCSmeanstractioncontrolsystem.（）

答案:对Nowadays,contact-pointignitionsystemisoftenusedonthemoderncars.（）

答案:错EFIusessolenoidvalvescalledinjectorstometerfueldelivery.()

答案:对IntheACcontroller,foreachphaseyouneedonesetoftransistorstopulsethevoltageandanothersettoreversethepolarity.（）

答案:对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:对Infull-flowfilteringsystem,theoutputoftheoilpumpflowsthroughtheoilfilterbeforemovingthroughengine.()

答案:对Thefuelmaybeignitedeitherbyasparkorbycompression.（）

答案:对Springsabsorbtheshocksoftheroadsurfacesothatpassengershaveacomfortableride.（）

答案:对Fuelfilersareusedtostopanycontaminationfromgettingintothefuelsystemofbothgasolineanddieselengines.()

答案:对Onceawheelislocked,itdoesnotprovideanylateralcontrolofthevehicle.（）

答案:对Thecoolingsystemremovesexcessiveheatfromtheengine.()

答案:对Anelectriccarhasanormal12-voltlead-acidbatterytopoweralloftheaccessories.（）

答案:对Foracartoturnsmoothly，eachwheelmustfollowadifferentcircle.（）

答案:对Thewheelspeedsensorssignalsaretypicallygeneratedviaapickupcoilmountedadjacenttoatoothedringateachcontrolledwheel.（）

答案:对Generally,themixtureignitedinthecombustionchamberofadieselengine.（）

答案:错Therearwheelsofavehiclemustturnatsamespeedswhenroundingtheslightestcorner（）

答案:错Asrpmisincreased,uptoapoint,airflowalsoincreasesanfuelflowmustincreasetomatchit.()

答案:对MostABSandTCSECUsarerelativelyinsulatedfromcrashdamage.（）

答案:对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:从动缸Whichofthefollowingisnotapartofthechassis？()

答案:lubricationsystemWhatisthemostcommonproblemassociatedwithclutches?（）.

答案:Thefrictionmaterialonthediskwearsout1.Foranenginetomakethebestuseofthefuel,thesparkshouldoccurbeforethepistonreachesthetopof

.

答案:thecompressionstrokeignitioncoil（）.

答案:点火线圈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:离合器从动盘Watertemperaturesensorisusuallymountedintheintakemanifoldorairfilterarea.()

答案:对Becauseofpracticalslip-thresholdtradeoffs,ABSequippedvehiclesmayshowaslightlyincreasedstoppingdistance.（）

答案:对Thesuspensionprotectsthevehicleitselfandanycargoorluggagefromdamageandwear.（）

答案:对Tractioncontrolappliesthebrakesmomentarilytooneofthedrivewheelswheneverthewheelspeedsensorsindicatesawheelisgoingfasterthantheothersduringacceleration.（）

答案:对ToimprovebrakingeffectivenessisthemostimportantreasonfortheuseofABS.（）

答案:错Thepowerfromenginemovesthroughthetransmission.()

答案:对Thesolenoidvalveconstantlymodulatesvacuumtotheservoinresponsetocommandsfromtheelectroniccontroller.（）

答案:对Theringandpiniongearsareusedtotransfertheenginepowerfromthedriveshafttothefrontwheels.（）

答案:错WhenABSisnotactivated,thefoundationbrakesoperatenormally.（）

答案:对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:膜片弹簧9.Howmanyclutchesareinanautomatictransmission?

答案:Severalfrictionlining（）.

答案:摩擦衬片12.Inanautomatictransmission,theshiftleverhooksuptothe

.

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

答案:Thetemperatureofthefluiddriveshaft（）.

答案:传动轴Generally,inthefrontfaceoftheflywheel,thereisashallowindentationusedtodeterminethepositionofthepistoninthe()cylinde

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

答案:对Inmostcars,theoilpumpisinthecrankcaseabovethesump.()

答案:对Thedistancethataspringcompressedunderforcedependsontherateofthespring.（）

答案:对Bymonitoringthefrequencyoutputofeachwheelspeedsensors,theECUcandecideifanindividualwheelslipexceedsadesiredthreshold.（）

答案:对TheMacphersonsystemusesthecoilsprings.（）

答案:对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:对Thespeedsensorprovidesasignaltothecruiseelectroniccontrollerindicatingthevehiclespeed.（）

答案:对Inordertoreducethespeedofthevehicle，thebrakeshavetoconvertthekineticenergystoredinthevehicletoelectricalenergy.（）

答案:错Tractionisaparticularformofpowerthatmakesavehiclemove.（）

答案:对Thetypicalbrakesystemconsistsofdrumbrakesinfrontandeitherdiskordrumbrakesintherear.（）

答案:错ABSmeansanti-lockbrakingsystem.（）

答案:对Thefrontwheelsmustpointinjusttherightdirectionforthecartomovestraightdowntheroadandturnproperly.（）

答案:对Thewheelactuatorsforceafrictionmaterialagainstarotatingsurfacetogenerateaforcethatstopthevehicle.（）

答案:对Inanelectriccar,theverysimplestDCcontrollerwouldbeabigon/offswitchwiredtotheacceleratorpedal.（）

答案:对Whenthecaseturns,thedifferentialpinionshaftturnswithit.（）

答案:对DCmotorsisgreatforshortburstsofacceleration.（）

答案:对Generally,lighter,sportiercarshavelowersteeringratiothanlargercarsandtrucks.（）

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

答案:对ControlofvehicletrackisthemostimportantreasonfortheuseofABS.（）

答案:对Thecruisecontrolisdisengagedwheneverthebrakepedalisdepressed.（）

答案:对Thecoolingsystemisdesignedtostayoutoftheactionuntiltheengineiswarmedup.()

答案:对Thetorsionbarisathinrodofmetalthattwistswhentorqueisappliedtoit.（）

答案:对Automobilehavemanykindofstructureandshape,buttheirbasicstructureisdifferenteachother.()

答案:错Thelubricationsystemisimportantinkeepingtheenginerunningsmoothly.()

答案:对Aradiatorisatypeoftheheatex-changer.()

答案:对TheprimarypurposeofABSistopreservedirectionalstabilityandallowthedrivertocontinuesteeringduringemergencybraking.（）

答案:对Cruisecontrolcansavegasbyavoidingsurgesthatexpelfuelwhiledrivingatsteadyspeeds.（）

答案:对Itmakessensefromaneconomicstandpointforanelectriccartousethenormal12-voltlead-acidbatterythateverycarhas.（）

答案:对Abatterypackcontainsmanybatteries,wiredinseriestocreatehundredsvolts.（）

答案:对Thehydrauliccontrolsystemisresponsibleforavarietyofmajoractivitiesthatinvolvepressureandperformancecircuits.（）

答案:对Theoilfilterensuresthatonlydirtyoilenterstheengine.()

答案:错Themajorityofenginesinmotorvehiclestodayarefive-strokepistonengine.()

答案:错Duringcruisecontroloperation,theservocontrolsthethrottlepositionbychangingtheamountofvacuumintheservo.（）

答案:对Duringcharging,thechargersendsasmuchcurrentasitcan.（）

答案:错Thetransmissionisdesignedforchangingthespeedandpowerfromtheclutchtothepropellershaft.（）

答案:错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:惯性力13.WhichstatementiswrongaboutAT?

答案:Planetarygearsetswhicharethemechanicalsystemsthatonlyprovidethevariousforwardgearratioswhatisthepurposeofthebrakehosesinthebrakesystem?（）

答案:theyaddbrakeforce()oftheconnectingrodisprovidedwithanI-crosssectiontogivetherodmaximumrigiditywiththeminimumofweight.

答案:shankreleasebearing（）.

答案:分离轴承（）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:制动助力器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:蓄电池18.Thedriveshaftconnects

to

.

答案:thetransmissionoutput;thedifferentialpinionshaftThe()givestheautomobileitsstoppingpower.

答案:brakesystemplanetgear（）.

答案:行星轮Theaccessorybatteryofanelectriccarisa300-voltbattery.（）

答案:错ElectriccarscanuseACorDCmotors.（）

答案:对Inanelectriccar,DCinstallationstendtobesimplerandlessexpensive.（）

答案:对Thecontrollerofanelectriccartakespowerfromthebatteriesanddeliversittothemotor.（）

答案:对ACmotorsandcontrollersoftenhavearegeneratorfeature.（）

答案:对Bycontrollingthethrottleposition,thespeedofthevehicleismaintainedaccordingtothecruisecontrolsettings.（）

答案:对Mostcruisecontrolsystemshavetheabilitytoletthedriverincreaseordecreasethespeed.（）

答案:对Thecruisecontrolisdisengagedwheneverthebrakepedalisdepressed.（）

答案:对Vacuumintheservoisnotavailablefromalineconnectedtotheairintakeduringcruisecontroloperation.（）

答案:错Whenthebrakepedalisdepressed,thebrakereleasedswitchdisengagesthecruisecontrolsystem.（）

答案:对Diskbrakesrequirehigherapplicationpressurethandodrumsbecausetheyarenotself-actuating.（）

答案:对Optimumbrakingisachievedwhentheslipis10percentto15percent.（）

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

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

答案:错Ifthefrontwheelslock,thevehiclecannotbesteered.（）

答案:对Suspensionsystemsmustsupportbothroadholding/handlingandridequality,whichareatoddswitheachother.（）

答案:对Inmostofcars,themountingoftheshockabsorberslessensaxletwist.（）

答案:对Torsionbars’springratedependsonthediameterandlengthofthebar.（）

答案:对Thestabilizerbarhelpsbalancetheloadbetweenthewheels.（）

答案:对Thethickerthecoilsinacoilspring,thestifferitisandthehigheritsrate.（）

答案:对Thelowersteeringratiogivesthesteeringaquickerresponse.（）

答案:对Therack-and-piniongearsetconvertstherotationalmotionofthesteeringwheelintothelinearmotion.（）

答案:对Adrivercanusethesteeringsystemtocontrolthepositionofacar'sfrontwheels.（）

答案:对Thepumpmovesmuchmorefluidthannecessarywhentheengineisrunningatfasterspeed.（）

答案:对Therack-and-piniongearsetprovidesagearreduction.（）

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

答案:radiator###thermostat###waterpumpSomeengine