资源描述：
《中级汽车修理工试题(含答案)（intermediate auto repair question (including answer)）》由会员上传分享，免费在线阅读，更多相关内容在教育资源-天天文库。
1、中级汽车修理工试题2(含答案)（Intermediateautorepairquestion2(includinganswer)）Nationalvocationalqualificationexamination-Intermediateautomobilerepairmansimulatedtestquestions2Theredanswerrepresentsthecorrectreferenceanswer,1.Thequalityofcarbonstructuralsteelisexpressedbytwodigits,whichmeanstheaver
2、agecarboncontentofsteel.Afewtensofthousands2,thefollowingmaterials,belongstothequalityofcarbonstructuralsteelis().Forty3,inthefollowingmaterials,usedtomaketheenginecrankshaftis().Forty-five4,T8Abelongsto().Carbontoolsteel5,theenginelubricatingoilviscosityistoolarge,willcause().Enginec
3、oldstartdifficult6,40Crisakindofquenchedandtemperedsteel,usedtomakepumpshaft,inordertoobtaingoodcomprehensivemechanicalproperties,itsfinalheattreatmentmethodis().Quenching+hightemperaturetempering7.Comparedwithsteel,theoutstandingcharacteristicofcastironis().Goodcastingability8,()func
4、tionistopushthethrustofthecamshafttothepushrod.Tappet9.Thecombustiblegasmixtureformingdeviceofgasolineengineis().Carburetor10.Idlejetorificeofcarburetorinthrottlevalve().Below11,()thefunctionisusedtosupportandclosethevalveandmakethevalvecloseclose,topreventthevalvebounceandmakethecyli
5、nderleak.Valvespring12,thefollowingoptions,()belongstotheengineoftheairsupplydevice.Airfilter13.Thefunctionofthepushrodistotransferthethrustfromthecamshaftthroughthetappetto().rockerarm14,()thefunctionistoensurethattheengineinidleorverysmallloadconditionstoprovidelessdensemixture.Idli
6、ngdevice15,withinthescopeof().15.Whentheenginestartscold,itsuppliesextremelydensemixture,whichrequiresexcessiveaircoefficient0.2-0.616.()suckthegasolineoutofthetankandputitintothecarburetor'sfloatchamber.Gasolinepump17.Themixingdeviceofdieselengineis().combustionchamber18.Thefunctiono
7、fcrankconnectingrodmechanismistochangetheforceofcombustiongasactingonthetopofpistonto()torque,andoutputmechanicalenergythroughcrankshaft.crankshaft19,thefollowingoptions,()belongstothedieselenginelowpressureoilsupplydevice.Oilpump20,()combustionchamberhascompactstructure,smallheatloss
8、andhi
