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1、汽车中级维修电工理论复习资料(2)（Carintermediatemaintenanceelectriciantheoryreviewmaterials(2)）Intermediateautomobilemaintenanceelectricianreviewmaterials(B)Fillintheblanks.1.wintershouldbeinthepremiseofensuringtheelectrolyteisnotfrozen,aspossibleasthedensityofelectrolyte.Whendisti
2、lledwaterisadded,itshouldbecarriedoutunderthecondition.2.thechargingprocessoflead-acidbatteriesisaprocessofconversion.3.whenthegeneratorisinnormaloperation,itshallnotbeusedtocheckwhetheritisgeneratingelectricity.4.aftertheenginestarts,youmustimmediatelyreleasethestar
3、tpedalorthestartbuttontostartthemachine.5.thegapofthebreakerisusuallyon.6.oneofthemethodsofignitiontimingisparkinginspection.Starttheengine,idlerotation,whenthewatertemperaturerisesto70~80degreesC,suddenlyincreasethespeed,iftheengineonlyaslightknock,thatis.Withoutkno
4、cking,andnotwiththethrottleopeningspeedincreases,a"stuffy"feeling,andchugintheexhaustpipe,saidignition;Asudden,prolonged,metallicknockingoftheengine,indicatingignition.7.,electronicignitionisactuallytheuseofsemiconductordevicesasswitches,orprimarycurrents,Itisalsocal
5、ledsemiconductorignitionortransistorignition.8.electronicignitiondevice,accordingtotheprincipleofthesignalgenerator,canbedividedintomagnetictransistorpointsAfiredevice,atransistorignitiondevice,atransistorignitiondevice,andacontactlesstransistorignitiondevice.9.Holze
6、rsensorsconsistofHolzerand.10.chargingconditionsmustbeavailable:.Two,multiple-choicequestions.1.theengineworksnormallyatlowandmoderatespeeds,andfiresathighspeeds.(A)thegapbetweenthecontactsofthebreakeristoosmall,thesparkpluggapistoolarge:(B)thegapbetweenthecontactsof
7、thebreakeristoolarge,thesparkpluggapistoosmall:(C)thecapacitorisdamaged.2.,eachcardriving()kmorsummertravel5-6days(winter10-15days)shouldcheckthebatterydischargelevelonce.(A)1000(B)3000(C)50003.thegasolinecarrunsnormallyduringtheday,andtheelectricityconsumptionisvery
8、high.(A)large(B)small(C)withnoelectricityatall4.thesecondaryvoltageofthegeneralignitionsystemis()V.(A)1000~1500(B)10000~15000(C)200
