汽车制动器

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1、Mid-termExaminationMid-termExaminationStepI.GeneralideaofMid-termexamStepII.TestingAskingstudentstocompletethepaperinlimitedtimeMid-termExaminationI.Fillintheblanksbelow:(20%)The___________whichiscalledthe“heart”ofavehicleisusedtosupply__________foranautomo

2、bile.Powerisproducedbythelinearmotionofapistonina___________.The____________________enginemeanstheengineburnsthefuelwithinthecylinders.Thefunctionof______________istohelptheenginerunsmoothlybyabsorbingsomeoftheenergyduringpowerstrokeandreleaseitduringtheoth

3、erstrokes.Mid-termExaminationItiswell-knownthattheautomobileiscomposedoffoursectionssuchas____________,_____________,______________,__________________.Thefourpistonstrokesare________________,__________________,________________,________________.Theclutchisco

4、mposedoffourbasicparts:______________,________________,_______________,________________.Atransmissionisa___________and____________deviceinstalledasomepointbetween_________and_______________ofthevehicle.Mid-termExaminationTherearetwotypesofthesteeringsystem:

5、_____________________and______________________.The______________________istokeeptheengineatitsmostefficientoperationtemperatureatallspedunderalldrivingconditions.There’retwotypesofcoolingsystems:________________and______________.Enginelubricatingsystemsared

6、ividedintotwotypes:____________,_____________.Mid-termExaminationⅡ.TranslatethefollowingintoChinese:(15%)1.radiator2.oilring3.timinggear4.crankshaft5.oilfilter6.intakestroke7.clutch8.cylinderMid-termExamination9.ignitiondistributor10.sparkplug11.camshaft12.

7、lubricationsystem13.transmission14.waterjacket15.flywheelMid-termExaminationⅢ.TranslatethefollowingintoEnglish:(15%)1.汽车制动器2.连杆3.活塞4.化油器5.蜗杆6.花键7.内燃机8.油底壳9.阀门10.气环11.底盘12.上止点13.曲轴箱14.轴承15.销Mid-termExaminationⅣ.Labelthefollowingpicturecorrectly:（20%）Mid-term

8、ExaminationMid-termExaminationⅤ.Translation（30%）Theenginelubricationismainlyconductedbythelubricatingoil,whichhasseveralfunctionsinthelubricatingsystems:firstofall,theoilformsaprotectivecoatingonthemet