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1、柴油机燃料供给系（Dieselfuelsupplysystem）UntitledDocumentTheeighthchapterisdieselfuelsupplysystemI.multiple-choicequestions:1.changetherelativepositionbetweentheplungeroftheinjectionpumpandtheoilholeoftheplunger.AchangestheeffectivestrokeoftheplungertoadjustthefuelsupplyBchangesthet
2、otalstrokeoftheplungertoadjustthefuelsupplyCchangesthetotalstrokeoftheplungertoadjustthetimingoftheoilsupplyDchangestheeffectivestrokeoftheplungertoadjustthetimingoftheoilsupply2.theamountoffuelinjectedpercycledependson().AplungerstrokeBpistoneffectivestrokeCneedleliftDoils
3、upplyadvanceangle3.,fuelinjectionpumpandgovernorlubricationintwoways,().ApressurelubricationandsplashlubricationBregularlubricationandpressurelubricationCindependentlubricationandsplashlubricationDpressurelubricationandindependentlubrication4.,iftheinjector'spressureadjustm
4、entspringistoosoft,itwillmake().AtoomuchfuelinjectionBinjectiontimelagCinitialinjectionpressureistoolowDinitialinjectionpressureistoohigh5.4125Adieselengine,whenidling,whenthespeedincreasedfromidletothemaximumspeed,theamountofoilpercycle().AbecomeslargerBbecomessmallerCinva
5、riantDincreasedslightlyType6.6102dieselengines,whenthefootpedalpositionisconstant,thecaruphill,atthistimethespeedofmovement().AbecomeslargerBbecomessmallerCinvariantDdecreasesslightly7.theresidualpressureinthehigh-pressurefuelpipeoftheinjectionpumpisrelatedtothemagnitudeoft
6、hespringforceoftheoiloutletvalve.Abigelasticity,highresidualpressureBstretchbig,keeplowChassmallelasticityandhighresidualpressure8.dieselengineoilpump,theamountofoilpercyclepumpdependson().ApistonelasticityBpistonstrokeCcameccentricityDenginespeedWhenthe9.dieselengineworks,
7、theinletpipeentersthecylinderAgasolineBairCgasmixtureDdieselAmixinggasformingdevicefora10.dieselengineis:()AinjectorBoilpumpCinjectionpumpDcombustionchamber11.whenthedieselengineisworking,thedieselisinjecteddirectlyintothecylinderAintakepipeBoilpumpCinjectionpumpDinjector12
8、.whenthedieselengineisworking,thedieseloilischangedintohighpressureoilAdieselfilte
