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汽車專業(yè)英語知到章節(jié)測試答案智慧樹2023年最新武漢科技大學(xué)第一章測試

Theheartofautomobileis()

參考答案:

engine

()holdsallthemaincomponentsandpartstogether.

參考答案:

chassis

()isasheetmetalshellwithwindows,doors,ahood,andatrunkdeckbuiltintoit.

參考答案:

body

Automobilehavemanykindofstructureandshape,buttheirbasicstructureisdifferenteachother.()

參考答案:

Anyautomobileiscomposedofthesectionsuchasengine,chassis,body,electricsystem.()

參考答案:

第二章測試

The()storesliquidfuelanddeliversittotheengines.

參考答案:

fuelsystem

The()circuitscoolantthroughtheengineandthewallsoftheengineblockandhead

參考答案:

waterpump

Asthecrankshaftnearstheitssecondcompleterevolution,thepistonagainapproachesthe()position.

參考答案:

TDC

Aftercirculatingthroughtheengine,theoildropsbacktotheoilpan.()

參考答案:

Theexhaustsystemcannotreducethenoiseoftheburnedgasesleavingtheenginecylinders.()

參考答案:

第三章測試

The()inthecylinderisconnectedtothetopofaconnectingrod.

參考答案:

piston

Acrankshaft’sjobinanengineisto()

參考答案:

changelinearmotionintorotationalmotion

Thecrankconnectingrodmechanismconsistsofthreeparts—().

參考答案:

crankshaftandflywheelgroup

;engineblockgroup

;pistonandconnectingrodgroup

Crank-connectingrodmechanismisthemainworkingmechanismofreciprocatinginternalcombustionengine.()

參考答案:

Thetopofthecylinderblockiscoveredwiththecylinderhead.()

參考答案:

第四章測試

Anaverageair/fuelratioforgoodcombustionisabout()byweight.

參考答案:

15:1

Avalveconsistsofa()and()stem.()

參考答案:

stem

;head

The()providestheforcenecessarytoclosethevalveandholdittightlyagainstitsseat.

參考答案:

valvespring

TheinletvalveisopenedbeforeTDCandclosedafterBDC.()

參考答案:

Camshaft'sfunctionistodeliversparkpositivelyandtimelyinadefinitesequence.()

參考答案:

第五章測試

The()thattheinjectorisopen,themorefuelisinjected.

參考答案:

longer

Mostvehiclestodayuse()injectorpercylinder.

參考答案:

1

The()onthefueltankisusedtokeepthefuelfromsplashingout,releasethevacuumcreatedbythefuelremoving,andpreventvaporsfromescapingdirectlyintotheatmosphere.

參考答案:

fuelcap

Foradieselfuelgoestothecarburetor,thentothefuelnozzles.()

參考答案:

Thefuelsystemsuppliesgasolineordieselfueltotheoilpan.()

參考答案:

第六章測試

Whatisthecoolingagentintheliquidcoolingsystem?()

參考答案:

coolant

Thewaterpumpuses()tosendfluidtotheoutsidewhileitspins,causingfluidtobedrawnfromthecentercontinuously.

參考答案:

centrifugalforce

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

參考答案:

waterpump

;radiator

;thermostat

Thecoolingsystemisdesignedtoworkallthetimewhentheengineisrunning.()

參考答案:

Someenginesarecoatedtheinsideofthetopofthecylinderheadwithathinlayerofceramictoreducetheamountofheatthatistransferredfromthecombustionchambertothemetalpartsoftheengine.()

參考答案:

第七章測試

1.Foranenginetomakethebestuseofthefuel,thesparkshouldoccurbeforethepistonreachesthetopof()。

參考答案:

thecompressionstroke

Thepistonspeedincreasesastheenginespeedincreases.Thismeansthatthefastertheenginegoes,thesparkhastooccur()。

參考答案:

earlier

Accordingtoyourunderstanding,retardingthetimingmayalsoeliminate()。

參考答案:

knocking

Theprimaryroleofthedistributoristodistributehighvoltagefromthe()tothecorrectcylinder.

參考答案:

coil

Functionsofignitionsystemare()

參考答案:

ignitethemixturepiston

;controlthetimingofspark

;sendsparktocorrectcylinder

;createaspark

第八章測試

Whatisthemostcommonproblemassociatedwithclutches?()。

參考答案:

Thefrictionmaterialonthediskwearsout

Howmanyclutchesareinanautomatictransmission?()。

參考答案:

Several

Whatistheothernameforathrow-outbearing?()。

參考答案:

Clutchreleasebearing

Inacar’sclutch,aflywheelconnectstotheengine,andaclutchplateconnectstothe().

參考答案:

transmission

Whichofthefollowingarecommonreasonsthatacar’sclutchmaystick?()

參考答案:

Airinthehydraulicline

;Abrokenorstretchedclutchcable

;Afailurefriction

第九章測試

Whattellstheautomatictransmissionhowfastthecarisgoing?()。

參考答案:

Thegovernor

Inanautomatictransmission,theshiftleverhooksuptothe()。

參考答案:

manualvalve

WhichstatementiswrongaboutAT?()。

參考答案:

Planetarygearsetswhicharethemechanicalsystemsthatonlyprovidethevariousforwardgearratios

Whichpartsendstransmissionfluidunderpressuretoallpartsofthetransmissionandtorqueconverter?()

參考答案:

Hydraulicsystem

Whichsectionisthebrainoftheautomatictransmissionthatdirectshydraulicfluidtothenumerousvalves?()

參考答案:

Valvebody

第十章測試

Whenmightanopendifferentialbeaproblem?()。

參考答案:

Drivingonice

Whenawheelslips,whattypeofdifferentialallowsmoretorquetobetransferredtothenon-slippingwheel?()。

參考答案:

Limitedslipdifferentials

Thedriveshaftconnects()to().

參考答案:

thetransmissionoutput;thedifferentialpinionshaft

()allowsthedriveshafttoflexwhenthedriveanglechanges.

參考答案:

U-joint

Atwo-piecetubulardriveshaftwitharubberelementpressedbetweenthetwotubes,whichreduces(),isusedonsomevehicle.

參考答案:

torsionalvibration

第十一章測試

Whatisthepurposeofallthebendsandloopsinbrakelines?()。

參考答案:

Theyaddflexibility

Whatdobrakecalipersdo?()。

參考答案:

Theysqueezethebrakepadsagainstthebrakerotor

Whatisothernameforabrakerotor?()。

參考答案:

Brakedisc

Whatisarguablythemostimportantautomobilebrakepart?()

參考答案:

Thebrakecaliper

Therearesomegeneraltypesofdiscbrake()

參考答案:

floatingcaliper

;fixedcaliper

第十二章測試

Thelowersteeringratiogivesthesteeringaquickerresponse.()

參考答案:

Thepumpmovesmuchmorefluidthannecessarywhentheengineisrunningatfasterspeed.()

參考答案:

Adrivercanusethesteeringsystemtocontrolthepositionofacar'sfrontwheels.()

參考答案:

Therack-and-piniongearsetconvertstherotationalmotionofthesteeringwheelintothelinearmotion.()

參考答案:

Therack-and-piniongearsetprovidesagearreduction.()

參考答案:

第十三章測試

Thethickerthecoilsinacoilspring,thestifferitisandthehigheritsrate.()

參考答案:

Torsionbars’springratedependsonthediameterandlengthofthebar.()

參考答案:

Thestabilizerbarhelpsbalancetheloadbetweenthewheels.()

參考答案:

Inmostofcars,themountingoftheshockabsorberslessensaxletwist.()

參考答案:

Suspensionsystemsmustsupportbothroadholding/handlingandridequality,whichareatoddswitheachother.()

參考答案:

第十四章測試

Diskbrakesrequirehigherapplicationpressurethandodrumsbecausetheyarenotself-actuating.()

參考答案:

Optimumbrakingisachievedwhentheslipis10percentto15percent.()

參考答案:

Over-applyingfoundationbrakescancausewheelstolock(100%slip).()

參考答案:

Ifthefrontwheelslock,thevehiclewilltendtospinout(rearendmovingforward).()

參考答案:

Ifthefrontwheelslock,thevehiclecannotbesteered.()

參考答案:

第十五章測試

Thecruisecontrolisdisengagedwheneverthebrakepedalisdepressed.()

參考答案:

Mostcruisecontrolsystemshaveth

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