《汽車發(fā)動(dòng)機(jī)構(gòu)造（雙語課程）》習(xí)題-項(xiàng)目五 任務(wù)一 機(jī)油壓力測試（無答案）

項(xiàng)目五任務(wù)一機(jī)油壓力測試Item5Task1Oilpressuretest一、判斷題（對“√”，錯(cuò)“×”）（20題）Ⅰ.Trueorfalsequestions（True“√”,false“×”）（20questions）1.發(fā)動(dòng)機(jī)潤滑系統(tǒng)主要由油底殼、機(jī)油泵、機(jī)油濾清器、機(jī)油噴嘴、油路等組成。（）1.Theenginelubricationsystemismainlycomposedofoilpan,oilpump,oilfilter,oilnozzle,oilcircuit,etc.()2.潤滑作用的好壞，關(guān)鍵在于能否形成油膜。（）2.Thekeytothequalityoflubricationiswhetheranoilfilmcanbeformed.()3.機(jī)油濾清器工作的好壞，決定著發(fā)動(dòng)機(jī)的工作性能和使用壽命，故必須定期更換濾芯。（）3.Theworkoftheengineoilfilterdeterminestheworkingperformanceandservicelifeoftheengine,sothefilterelementmustbereplacedregularly.()4.機(jī)油濾清器主要由上蓋、殼體、濾芯、內(nèi)孔管、旁通閥等組成。（）4.Engineoilfilterismainlycomposedofuppercover,shell,filterelement,innerholepipe,bypassvalveandsoon.()5.在新機(jī)油濾清器的襯墊上需要涂抹一層干凈的發(fā)動(dòng)機(jī)機(jī)油。（）5.Acleanlayerofengineoilneedstobeappliedtothelinerofthenewoilfilter.()6.佩戴防護(hù)服和手套，用肥皂和水徹底清洗皮膚，或使用免水型洗手劑清除所用的發(fā)動(dòng)機(jī)機(jī)油。切勿使用汽油、稀釋劑或溶劑。（）6.Wearprotectiveclothingandgloves,washskinthoroughlywithsoapandwater,oruseawaterlesshandsanitizertoremoveusedengineoil.Neverusegasoline,thinners,orsolvents.()8.機(jī)油變黑說明機(jī)油已經(jīng)變質(zhì)。（）8.Theengineoilturningblackindicatesthattheengineoilhasdeteriorated.()9.對負(fù)荷大，相對運(yùn)動(dòng)速度高的摩擦面均采用壓力潤滑，所以活塞與氣缸壁之間一般也采用壓力潤滑。（）9.Pressurelubricationisusedforthefrictionsurfacewithlargeloadandhighrelativemotionspeed.Therefore,pressurelubricationisgenerallyusedbetweenthepistonandthecylinderwall.()10.潤滑系中旁通閥一般安裝在粗濾器中，其功用是限制主油道的最高壓力。（）10.Thelubricationbypassvalveisgenerallyinstalledinthecoarsefilter,anditsfunctionistolimitthemaximumpressureofthemainoilpassage.()11.細(xì)濾器能過濾掉很小的雜質(zhì)和膠質(zhì)，所以經(jīng)過細(xì)濾器過濾的潤滑油應(yīng)直接流向機(jī)件的潤滑表面。（）11.Thefinefiltercanfilteroutverysmallimpuritiesandgum,sothelubricatingoilfilteredbythefinefiltershouldflowdirectlytothelubricationsurfaceofthemachine.()12.排放機(jī)油時(shí)應(yīng)該注意機(jī)油不要流在手上，以免燙到手，并且廢機(jī)油中有多種有害物質(zhì)，不要長時(shí)間接觸。（）12.Whendischargingengineoil,weshouldpayattentiontotheengineoilnottoflowonthehand,soasnottoburnthehand,andthereareavarietyofharmfulsubstancesinthewasteengineoil,donotcontactforalongtime.()13.發(fā)動(dòng)機(jī)更換保養(yǎng)時(shí)，更換機(jī)油時(shí)，放油螺栓襯墊每次都必須更換。（）13.Whentheengineisreplacedandmaintained,theoildrainboltlinermustbereplacedeverytimewhentheengineoilisreplaced.()15.油壓警告燈是機(jī)油壓力過低的警告裝置。（）15.Oilpressurewarninglightisawarningdevicethatoilpressureistoolow.()16.為保證發(fā)動(dòng)機(jī)部件得到良好潤滑，潤滑油路中機(jī)油壓力越高越好。（）16.Toensuregoodlubricationofenginecomponents,thehighertheoilpressureinthelubricationcircuit,thebetter.()17.氣缸磨損過大會(huì)造成機(jī)油消耗過多。（）17.Excessivecylinderwearcancauseexcessiveoilconsumption.()18.油底殼為了加工方便，一般各處是等深的。（）18.Fortheconvenienceofprocessing,theoilpanisgenerallydeepeverywhere.()19.機(jī)油細(xì)濾器濾清能力強(qiáng)，所以經(jīng)過細(xì)濾器濾清后的機(jī)油直接流向潤滑表面。（）19.Theoilfinefilterhasstrongfilteringability,sotheoilfilteredbythefinefilterflowsdirectlytothelubricationsurface.()20.加注潤滑油時(shí)，加入量越多，越有利于發(fā)動(dòng)機(jī)的潤滑。（）20.Whenaddinglubricatingoil,themoreitisadded,themorebeneficialitisforthelubricationoftheengine.()二.單選題（12題）Ⅱ.Multiplechoicequestions(Selectonlyoneanswerchoice)（12questions）1.潤滑系中旁通閥的作用是（）。1.Thefunctionofthelubricationbypassvalveisto().A.保證主油道中的最小機(jī)油壓力A.ensureminimumoilpressureinthemainoilpassageB.防止主油道過大的機(jī)油壓力B.preventexcessiveoilpressureinthemainoilpassageC.防止機(jī)油粗濾器濾芯損壞C.preventdamagetotheprimaryoilfilterelementD.在機(jī)油粗濾器濾芯堵塞后仍能使機(jī)油進(jìn)入主油道內(nèi)D.allowoiltoenterthemainoilpassageevenaftertheprimaryoilfilterelementisblocked2.發(fā)動(dòng)機(jī)潤滑系的功用是（）。2.Thefunctionoftheenginelubricationsystemis().A.冷卻B.潤滑C.清潔、密封 D.潤滑、冷卻、清潔、密封A.cooling B.lubrication C.Cleaningandsealing D.lubrication,cooling,cleaning,sealing3.汽車發(fā)動(dòng)機(jī)各零件最理想的摩擦形式是（）。3.Themostidealformoffrictionforeachpartoftheautomobileengineis().A.干摩擦B.半干摩擦C.液體摩擦D.半液體摩擦A.dryfriction B.semi-dryfrictionC.liquidfriction D.Semi-liquidfriction4.潤滑系中旁通閥的作用是（）。4.Thefunctionofthelubricationbypassvalveisto().A.保證主油道中的最小機(jī)油壓力A.ensureminimumoilpressureinthemainoilpassageB.防止主油道過大的機(jī)油壓力B.preventexcessiveoilpressureinthemainoilpassageC.防止機(jī)油粗濾器濾芯損壞C.preventdamagetotheprimaryoilfilterelementD.在機(jī)油粗濾器濾芯堵塞后仍能使機(jī)油進(jìn)入主油道內(nèi)D.allowoiltoenterthemainoilpassageevenaftertheprimaryoilfilterelementisblocked5.活塞通常采用的潤滑方式是（）。5.Thelubricationmethodusuallyusedbypistonis().A.壓力潤滑B.飛濺潤滑C.兩種潤滑方式都有D.潤滑方式不確定A.pressurelubricationB.splashlubricationC.BothlubricationmethodshaveD.Thelubricationmethodisuncertain6.發(fā)動(dòng)機(jī)潤滑系中潤滑油的正常油溫是（）。6.Thenormaloiltemperatureoflubricatingoilintheenginelubricationsystemis().A.40～50℃B.50～70℃C.70～90℃D.大于100℃7.曲軸連桿軸承處的潤滑油多來于（）。7.Thelubricatingoilatthecrankshaftconnectingrodbearingismostlyfrom().A.曲軸主軸徑B.凸輪軸軸徑C.活塞與氣缸壁A.crankshaftmainshaftdiameter B.camshaftshaftdiameter C.pistonandthecylinderwall8.機(jī)油中鐵的微粒含量過高，其原因可能為（）。8.Thecontentofironparticlesinengineoilistoohigh,andthereasonsmaybe().A.氣缸磨損嚴(yán)重 B.軸承磨損嚴(yán)重 C.曲軸箱通風(fēng)不良A.Seriouscylinderwear B.Seriousbearingwear C.Poorcrankcaseventilation9.（）不可能導(dǎo)致機(jī)油壓力低的故障。9.()maynotleadtolowoilpressurefailure.A.油底殼中機(jī)油不足A.TheengineoilisinsufficientintheoilpanB.曲軸瓦、連桿瓦與曲軸之間的配合間隙過大B.Thematingclearancebetweenthecrankshafttile,theconnectingrodtileandthecrankshaftistoolargeC.液壓挺柱泄漏C.hydraulictappetleakageD.以上均不正確D.Noneoftheaboveiscorrect10.（）不可能導(dǎo)致機(jī)油壓力高的故障。10.()maynotleadtohighoilpressurefailure.A.機(jī)油黏度過低A.TheengineoilviscosityistoolowB.曲軸瓦、連桿瓦與曲軸之間的配合間隙過小B.Thematingclearancebetweenthecrankshafttile,theconnectingrodtileandthecrankshaftistoosmallC.活塞環(huán)或汽缸壁磨損嚴(yán)重C.ThepistonringorcylinderwallisseriouslywornD.以上均不正確D.Noneoftheaboveiscorrect11.學(xué)生a說：油底殼用薄鋼板沖壓而成，其與機(jī)體結(jié)合面應(yīng)該加墊片和密封膠密封。學(xué)生b說：油底殼用鑄鐵材料制造而成，其與機(jī)體結(jié)合面不應(yīng)該加墊片和和密封膠密封。他們說法正確的是（）。11.Studentasaid:Theoilpanisstampedwiththinsteelplate,andthejointsurfacewiththebodyshouldbesealedwithgasketandsealant.Studentbsaid:Theoilpanismadeofcastironmaterial,andit