汽車專業(yè)英語智慧樹知到課后章節(jié)答案2023年下武漢科技大學(xué)

汽車專業(yè)英語智慧樹知到課后章節(jié)答案2023年下武漢科技大學(xué)武漢科技大學(xué)

第一章測試

Theheartofautomobileis()

A:body

B:engine

C:electricsystem

D:chassis

答案:engine

()holdsallthemaincomponentsandpartstogether.

A:brake

B:engine

C:chassis

D:clutch

答案:chassis

()isasheetmetalshellwithwindows,doors,ahood,andatrunkdeckbuiltintoit.

A:chassis

B:engine

C:body

D:clutch

答案:body

Automobilehavemanykindofstructureandshape,buttheirbasicstructureisdifferenteachother.（）

A:對B:錯

答案:錯

Anyautomobileiscomposedofthesectionsuchasengine,chassis,body,electricsystem.（）

A:錯B:對

答案:對

第二章測試

The()storesliquidfuelanddeliversittotheengines.

A:brakingsystem

B:steeringsystem

C:coolingsystem

D:fuelsystem

答案:fuelsystem

The()circuitscoolantthroughtheengineandthewallsoftheengineblockandhead

A:body

B:clutch

C:waterpump

D:fueltank

答案:waterpump

Asthecrankshaftnearstheitssecondcompleterevolution,thepistonagainapproachesthe()position.

A:TDC

B:ATDC

C:BBDC

D:BDC

答案:TDC

Aftercirculatingthroughtheengine,theoildropsbacktotheoilpan.（）

A:錯B:對

答案:對

Theexhaustsystemcannotreducethenoiseoftheburnedgasesleavingtheenginecylinders.（）

A:錯B:對

答案:錯

第三章測試

The()inthecylinderisconnectedtothetopofaconnectingrod.

A:cylinder

B:valve

C:crankshaft

D:piston

答案:piston

Acrankshaft’sjobinanengineisto()

A:convertfuelenergyintomechanicalenergy

B:deliverfueltothecylinders

C:changelinearmotionintorotationalmotion

D:keepcylinderheadsinplace

答案:changelinearmotionintorotationalmotion

Thecrankconnectingrodmechanismconsistsofthreeparts—().

A:crankshaftandflywheelgroup

B:engineblockgroup

C:camshaftandvalvegroup

D:pistonandconnectingrodgroup

答案:crankshaftandflywheelgroup

;engineblockgroup

;pistonandconnectingrodgroup

Crank-connectingrodmechanismisthemainworkingmechanismofreciprocatinginternalcombustionengine.（）

A:錯B:對

答案:對

Thetopofthecylinderblockiscoveredwiththecylinderhead.（）

A:錯B:對

答案:對

第四章測試

Anaverageair/fuelratioforgoodcombustionisabout()byweight.

A:18:1

B:20:1

C:13:1

D:15:1

答案:15:1

Avalveconsistsofa()and()stem.（）

A:tappet

B:head

C:rocker

D:stem

答案:head

;stem

The()providestheforcenecessarytoclosethevalveandholdittightlyagainstitsseat.

A:tappet

B:rod

C:valve

D:valvespring

答案:valvespring

TheinletvalveisopenedbeforeTDCandclosedafterBDC.（）

A:對B:錯

答案:對

Camshaft'sfunctionistodeliversparkpositivelyandtimelyinadefinitesequence.（）

A:錯B:對

答案:錯

第五章測試

The()thattheinjectorisopen,themorefuelisinjected.

A:longer

B:bigger

C:shorter

D:smaller

答案:longer

Mostvehiclestodayuse()injectorpercylinder.

A:4

B:3

C:1

D:2

答案:1

The（）onthefueltankisusedtokeepthefuelfromsplashingout,releasethevacuumcreatedbythefuelremoving,andpreventvaporsfromescapingdirectlyintotheatmosphere.

A:baffle

B:fuelcap

C:filter

D:sump

答案:fuelcap

Foradieselfuelgoestothecarburetor,thentothefuelnozzles.（）

A:對B:錯

答案:錯

Thefuelsystemsuppliesgasolineordieselfueltotheoilpan.（）

A:錯B:對

答案:錯

第六章測試

Whatisthecoolingagentintheliquidcoolingsystem?()

A:coolant

B:lubrication

C:gasoline

D:air

答案:coolant

Thewaterpumpuses()tosendfluidtotheoutsidewhileitspins,causingfluidtobedrawnfromthecentercontinuously.

A:gasforce

B:friction

C:gravity

D:centrifugalforce

答案:centrifugalforce

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

A:fuelcap

B:thermostat

C:radiator

D:waterpump

答案:thermostat

;radiator

;waterpump

Thecoolingsystemisdesignedtoworkallthetimewhentheengineisrunning.（）

A:對B:錯

答案:錯

Someenginesarecoatedtheinsideofthetopofthecylinderheadwithathinlayerofceramictoreducetheamountofheatthatistransferredfromthecombustionchambertothemetalpartsoftheengine.（）

A:對B:錯

答案:對

第七章測試

1.Foranenginetomakethebestuseofthefuel,thesparkshouldoccurbeforethepistonreachesthetopof（）。

A:thecompressstroke

B:theintakestroke

C:thecompressionstroke

D:theexhauststroke

答案:thecompressionstroke

Thepistonspeedincreasesastheenginespeedincreases.Thismeansthatthefastertheenginegoes,thesparkhastooccur（）。

A:nochangeisnecessary

B:earlier

C:uncertain

D:later

答案:earlier

Accordingtoyourunderstanding,retardingthetimingmayalsoeliminate（）。

A:combustion

B:knocking

C:compression

D:ignition

答案:knocking

Theprimaryroleofthedistributoristodistributehighvoltagefromthe（）tothecorrectcylinder.

A:piston

B:coil

C:sparkplug

D:rotor

答案:coil

Functionsofignitionsystemare（）

A:createaspark

B:controlthetimingofspark

C:sendsparktocorrectcylinder

D:ignitethemixturepiston

答案:createaspark

;controlthetimingofspark

;sendsparktocorrectcylinder

;ignitethemixturepiston

第八章測試

Whatisthemostcommonproblemassociatedwithclutches?（）。

A:Thefrictionmaterialonthediskmakesawhiningnoise

B:Thefrictionmaterialonthediskwearsout

C:Thefrictionmaterialonthediskmakesacruise

D:Thefrictionmaterialonthedisklaststoolong

答案:Thefrictionmaterialonthediskwearsout

Howmanyclutchesareinanautomatictransmission?（）。

A:One

B:Thousands

C:Several

D:Hundreds

答案:Several

Whatistheothernameforathrow-outbearing?（）。

A:Planetarybearing

B:Turnaroundbearing

C:Flywheelbearing

D:Clutchreleasebearing

答案:Clutchreleasebearing

Inacar’sclutch,aflywheelconnectstotheengine,andaclutchplateconnectstothe（）.

A:wheels

B:shaft

C:transmission

D:axle

答案:transmission

Whichofthefollowingarecommonreasonsthatacar’sclutchmaystick?（）

A:Abrokenorstretchedclutchcable

B:Airinthehydraulicline

C:Afailurefriction

D:Alooseshiftknob

答案:Abrokenorstretchedclutchcable

;Airinthehydraulicline

;Afailurefriction

第九章測試

Whattellstheautomatictransmissionhowfastthecarisgoing?（）。

A:Theturbine

B:Thesump

C:Thegovernor

D:Thegearpump

答案:Thegovernor

Inanautomatictransmission,theshiftleverhooksuptothe（）。

A:vacuummodulator

B:inletvalve

C:manualvalve

D:throttlevalve

答案:manualvalve

WhichstatementiswrongaboutAT?（）。

A:Thetorqueconverterwhichactslikeaclutchtoallowthevehicletocometoastop.ingearwhiletheengineisstillrunning

B:Thegovernorandthemodulatororthrottlecablethatmonitorsspeedandthrottlepositioninordertodeterminewhentoshift

C:Thehydraulicsystemwhichusesaspecialtransmissionfluidsentunderpressurebyanoilpumpthroughthevalvebodytocontroltheclutchesandbandsinordertocontroltheplanetarygearsets

D:Planetarygearsetswhicharethemechanicalsystemsthatonlyprovidethevariousforwardgearratios

答案:Planetarygearsetswhicharethemechanicalsystemsthatonlyprovidethevariousforwardgearratios

Whichpartsendstransmissionfluidunderpressuretoallpartsofthetransmissionandtorqueconverter?（）

A:Planetarygearsets

B:Oilpump

C:One-wayclutch

D:Hydraulicsystem

答案:Hydraulicsystem

Whichsectionisthebrainoftheautomatictransmissionthatdirectshydraulicfluidtothenumerousvalves?（）

A:Planetarygearsets

B:Valvebody

C:Torqueconverter

D:Oilpump

答案:Valvebody

第十章測試

Whenmightanopendifferentialbeaproblem?（）。

A:Makingaturn

B:Drivingonice

C:Drivingonhotasphalt

D:Goinstraight

答案:Drivingonice

Whenawheelslips,whattypeofdifferentialallowsmoretorquetobetransferredtothenon-slippingwheel?（）。

A:Closeddifferentials

B:Stabledifferentials

C:Variabledifferentials

D:Limitedslipdifferentials

答案:Limitedslipdifferentials

Thedriveshaftconnects（）to（）.

A:theclutch;thetransmissionoutput

B:thetransmissioninput;thedifferentialpinionshaft

C:thetransmissionoutput;thedifferentialpinionshaft

D:thecylinder;theclutch

答案:thetransmissionoutput;thedifferentialpinionshaft

（）allowsthedriveshafttoflexwhenthedriveanglechanges.

A:Pitmanarm

B:Balljoint

C:U-joint

D:Steeringknuckle

答案:U-joint

Atwo-piecetubulardriveshaftwitharubberelementpressedbetweenthetwotubes,whichreduces（）,isusedonsomevehicle.

A:steeringangle

B:torque

C:torsionalvibration

D:inertia

答案:torsionalvibration

第十一章測試

Whatisthepurposeofallthebendsandloopsinbrakelines?（）。

A:Theyhelpdissipateheat

B:Theyaddflair

C:Theyaddflexibility

D:Theyhelpbrake

答案:Theyaddflexibility

Whatdobrakecalipersdo?（）。

A:Alloftheabove

B:Theysqueezethebrakepadsagainstthebrakerotor

C:Theymoveslightly

D:Theycontroltheflowofbrakefluid

答案:Theysqueezethebrakepadsagainstthebrakerotor

Whatisothernameforabrakerotor?（）。

A:Brakepiston

B:Brakecylinder

C:Brakecaliper

D:Brakedisc

答案:Brakedisc

Whatisarguablythemostimportantautomobilebrakepart?（）

A:Thebrakecaliper

B:Noneoftheabove

C:Thebrakeshoes

D:Thebrakepad

答案:Thebrakecaliper

Therearesomegeneraltypesofdiscbrake（）

A:coilcaliper

B:rotorcaliper

C:floatingcaliper

D:fixedcaliper

答案:floatingcaliper

;fixedcaliper

第十二章測試

Thelowersteeringratiogivesthesteeringaquickerresponse.（）

A:錯B:對

答案:對

Thepumpmovesmuchmorefluidthannecessarywhentheengineisrunningatfasterspeed.（）

A:對B:錯

答案:對

Adrivercanusethesteeringsystemtocontrolthepositionofacar'sfrontwheels.（）

A:對B:錯

答案:對

Therack-and-piniongearsetconvertstherotationalmotionofthesteeringwheelintothelinearmotion.（）

A:對B:錯

答案:對

Therack-and-piniongearsetprovidesagearreduction.（）

A:錯B:對

答案:對

第十三章測試

Thethickerthecoilsinacoilspring,thestifferitisandthehigheritsrate.（）

A:錯B:對

答案:對

Torsionbars’springratedependsonthediameterandlengthofthebar.（）

A:錯B:對

答案:對

Thestabilizerbarhelpsbalancetheloadbetweenthewheels.（）

A:對B:錯

答案:對

Inmostofcars,themountingoftheshockabsorberslessensaxletwist.（）

A:錯B:對

答案:對

Suspensionsystemsmustsupportbothroadholding/handlingandridequality,whichareatoddswitheachother.（）

A:對B:錯

答案:對

第十四章測試

Diskbrakesrequirehigherapplicationpressurethandodrumsbecausetheyarenotself-actuating.（）

A:錯B:對

答案:對

Optimumbrakingisachievedwhentheslipis10percentto15percent.（）

A:錯B:對

答案:對

Over-applyingfoundationbrakescancausewheelstolock(100%slip).（）

A:對B:錯

答案:對

Ift