《汽車發(fā)動機(jī)構(gòu)造（雙語課程）》習(xí)題-項目五 任務(wù)二 機(jī)油泵檢修（無答案）

項目五任務(wù)二機(jī)油泵檢修Item5Task2Oilpumpoverhaul一.判斷題（對“√”，錯“×”）（6題）Ⅰ.Trueorfalsequestions（True“√”,false“×”）（6questions）1.轉(zhuǎn)子式機(jī)油泵主要由殼體、內(nèi)轉(zhuǎn)子、外轉(zhuǎn)子、限壓閥等組成。（）1.Rotortypeoilpumpismainlycomposedofshell,innerrotor,outerrotor,pressurelimitingvalve,etc.()2.機(jī)油泵的功用是保證機(jī)油在潤滑系統(tǒng)內(nèi)循環(huán)流動，并在發(fā)動機(jī)任何轉(zhuǎn)速下都能以足夠高的壓力向潤滑部位輸送足夠數(shù)量的機(jī)油。（）2.Thefunctionoftheoilpumpistoensurethecirculationofengineoilinthelubricationsystemandtodeliverasufficientamountofengineoilatahighenoughpressuretothelubricationpartatanyspeedoftheengine.()3.為既保證各潤滑部位的潤滑要求，又減少機(jī)油泵的功率消耗，機(jī)油泵實際供油量一般應(yīng)與潤滑系需要的循環(huán)油量相等。（）3.Inordertoensurethelubricationrequirementsofeachlubricationpartandreducethepowerconsumptionoftheoilpump,theactualoilsupplyoftheoilpumpshouldgenerallybeequaltotheamountofcirculatingoilrequiredbythelubricationsystem.()4.轉(zhuǎn)子式機(jī)油泵的外轉(zhuǎn)子帶動內(nèi)轉(zhuǎn)子轉(zhuǎn)動，且轉(zhuǎn)速快于內(nèi)轉(zhuǎn)子。（）4.Theouterrotoroftherotortypeoilpumpdrivestheinnerrotortorotate,andthespeedisfasterthantheinnerrotor.()5.轉(zhuǎn)子式機(jī)油泵的端面間隙、嚙合間隙以及外轉(zhuǎn)子與泵殼之間間隙的增大，各處密封性和限壓閥的調(diào)整都將影響泵油量和泵油壓力。（）5.Theincreaseoftheendclearance,meshingclearanceandthegapbetweentheouterrotorandthepumpcasingoftherotoroilpump,thesealingandtheadjustmentofthepressurelimitingvalvewillaffectthepumpoilvolumeandpumpoilpressure.()6.壓力潤滑是通過機(jī)油泵使機(jī)油產(chǎn)生一定的壓力來潤滑零件摩擦表面的潤滑方式。（）6.Pressurelubricationisthelubricationmethodoflubricationonthefrictionsurfaceofpartsbyoilpump.二.單選題（5題）Ⅱ.Multiplechoicequestions(Selectonlyoneanswerchoice)（5questions）1.汽車上常用的機(jī)油泵型式是（）。1.Thetypeofoilpumpcommonlyusedinautomobilesis().A.齒輪式B.轉(zhuǎn)子式C.離心式D.慣性式A.GeartypeB.RotortypeC.CentrifugaltypeD.Inertiatype2.機(jī)油濾清器阻塞時，其旁通閥打開，機(jī)油直接流向（）。2.Whentheoilfilterisblocked,theby-passvalveisopenedandtheengineoilflowsdirectlyto(C).A.機(jī)油泵B.油底殼C.主油道D.氣缸壁A.oilpumpB.oilpanC.mainoilpassageD.cylinderwall3.正常工作的發(fā)動機(jī)，其機(jī)油泵的限壓閥應(yīng)該是（）。3.Foranormalworkingengine,thepressurelimitingvalveoftheoilpumpshouldbe（）.A.經(jīng)常處于關(guān)閉狀態(tài)A.oftenintheclosedstateB.熱機(jī)時開，冷機(jī)時關(guān)B.turnedonwhentheengineishotandturnedoffwhentheengineiscoldC.經(jīng)常處于溢流狀態(tài)C.oftenintheoverflowstateD.熱機(jī)時關(guān)，冷機(jī)時開D.turnedoffwhentheengineishotandturnedonwhentheengineiscold4.機(jī)油細(xì)濾器上設(shè)置低壓限制閥的作用是（）。4.Thefunctionofthelowpressurelimitingvalvesetontheengineoilfinefilteris().A.機(jī)油泵出油壓力高于一定值時，關(guān)閉通往細(xì)濾器油道A.Whentheoilpumpoutletpressureishigherthanacertainvalue,closetheoilpassagetothefinefilter.B.機(jī)油泵出油壓力低于一定值時，關(guān)閉通往細(xì)濾器油道B.Whentheoilpumpoutletpressureislowerthanacertainvalue,closetheoilpassagetothefinefilter.C.使進(jìn)入機(jī)油細(xì)濾器的機(jī)油保證較高壓力C.EnsurehighpressureoftheoilenteringtheoilfinefilterD.使進(jìn)入機(jī)油細(xì)濾器的機(jī)油保持較低壓力D.Keeptheoilenteringtheoilfinefilteratalowerpressure5.轉(zhuǎn)子式機(jī)油泵工作時，（）。5.Whentherotaryoilpumpisworking,（）A.外轉(zhuǎn)子轉(zhuǎn)速低于內(nèi)轉(zhuǎn)子轉(zhuǎn)速A.theouterrotorspeedislowerthantheinnerrotorspeed.B.外轉(zhuǎn)子轉(zhuǎn)速高于內(nèi)轉(zhuǎn)子轉(zhuǎn)速A.theouterrotorspeedishighert