2026年机务英语题库及答案

2026年机务英语题库及答案一、单项选择题（每题2分，共15题，共30分）1.Theabbreviation"AMM"inaircraftmaintenancestandsfor____.A.AircraftMaintenanceManualB.AviationMaintenanceModuleC.AirplaneMaintenanceMethodD.AuxiliaryMaintenanceManual答案：A2.A"flattire"onanaircraftshouldberecordedinthe____.A.TechnicalLogbookB.CabinLogbookC.PassengerManifestD.FlightPlan答案：A3.Whichdocumentliststheminimumequipmentrequiredforanaircrafttobedispatchableunderspecificconditions?A.IPCB.SRMC.MELD.CMM答案：C解析：MEL（MinimumEquipmentList）规定特定条件下允许放行的最低设备要求；IPC是零件目录，SRM是结构修理手册。4.Theprimarypurposeofa"walk-aroundinspection"isto____.A.checkpassengerseatingB.detectvisibledefectsandleaksC.testavionicssystemsD.verifyfuelqualityonly答案：B5."Corrosion"onaircraftstructureiscommonlycausedby____.A.ultravioletradiationB.electrochemicalreactionbetweenmetalandenvironmentC.excessivelubricationD.high-frequencyvibration答案：B6.The"APU"provides____whenthemainenginesarenotrunning.A.hydraulicpressureonlyB.electricalpowerandcompressedairC.thrustfortaxiingD.fueldumpingcapability答案：B解析：APU（辅助动力装置）在主发动机不工作时为飞机提供电源和压缩空气，不提供推力。7.A"non-destructivetesting(NDT)"methodusedtodetectsurfacecracksinmetalpartsis____.A.dyepenetrantinspectionB.destructivetensiletestC.hardnessmeasurementD.chemicalmilling答案：A8.Theterm"torque"isassociatedwith____.A.rotationalforceappliedtoafastenerB.linearspeedofanactuatorC.electricalresistanceD.pressuredifferenceacrossafilter答案：A9."ETOPS"isaconceptrelatedto____.A.extended-rangetwin-engineoperationsB.emergencytrainingofpilotsC.enginetemperaturemonitoringD.electronictestingofpneumaticsystems答案：A10.A"life-limitedpart"mustbe____.A.repairedateveryAcheckB.replacedwhenitreachesitsapprovedservicelifeC.paintedtopreventcorrosionD.inspectedvisuallyeveryflight答案：B11.The"bleedair"systeminanaircraftisusedtosupply____.A.hydraulicfluidtoactuatorsB.compressedairfromenginesforpressurizationandanti-icingC.fueltocombustionchambersD.oxygentopassengermasks答案：B12."AOG"statusmeanstheaircraftis____.A.awaitinggroundhandlingB.groundedduetolackofsparepartsorseriousdefectC.approvedforoverwaterflightD.underroutinemaintenancecheck答案：B13.Theprimaryfunctionofa"thrustreverser"isto____.A.increaseenginethrustduringclimbB.slowtheaircraftafterlandingC.reversepropellerpitchinflightD.cooltheengineaftershutdown答案：B14.The"pitot-staticsystem"providesdatafor____.A.cabinpressurecontrolB.airspeed,altitude,andverticalspeedindicationC.fuelquantitymeasurementD.enginevibrationmonitoring答案：B15."Hardlanding"isusuallyrecordedbecauseit____.A.maycausestructuraldamageandrequiresinspectionB.onlyaffectspassengercomfortC.reducesfuelconsumptionD.ispartofnormaloperation答案：A二、完形填空（每题2分，共10题，共20分）阅读下面短文，从每题所给的A、B、C、D四个选项中选出最佳选项。Beforeanaircraftisreleasedforservice,athorough_(1)mustbecarriedoutbyacertificatedmechanic.Theinspectionstartswithareviewofthe_(2)tocheckforanydeferreddefects.Thenthemechanicperformsa_(3)inspectionaroundtheaircraft,lookingforleaks,dents,andcracks.Ifadiscrepancyisfound,itmustbe_(4)inthetechnicallogandassessedagainstthe_(5)todeterminewhethertheaircraftcanstillbedispatched.Foranycorrectiveaction,theapproved_(6)datasuchastheAMMorSRMmustbeused.Aftermaintenance,thecomponentsremovedfromtheaircraftmustbeproperly_(7)withamaintenancereleasetag.Finally,themechanicsignsthe_(8)tocertifythattheworkhasbeencompleted.Acopyofthecompletedworkorderiskeptinthe_(9)records.Theaircraftmaythenbeconsidered_(10)forflight.1.A.repairB.overhaulC.inspectionD.modification答案：C2.A.passengerlistB.technicallogC.fuelreceiptD.weatherreport答案：B3.A.walk-aroundB.enginetestC.cabinserviceD.weightandbalance答案：A4.A.paintedB.enteredC.weldedD.measured答案：B5.A.IPCB.MELC.FCOMD.QRH答案：B6.A.marketingB.financialC.technicalD.catering答案：C7.A.taggedB.discardedC.paintedD.covered答案：A8.A.passengermanifestB.maintenancereleaseC.flightplanD.loadsheet答案：B9.A.cabinB.maintenanceC.cateringD.navigation答案：B10.A.unsafeB.prohibitedC.airworthyD.overbooked答案：C解析：1.inspection与下文的walk-aroundinspection和releaseforservice对应；2.technicallog是记录缺陷的技术记录本；3.walk-aroundinspection指绕机检查；4.entered表示缺陷被记入；5.MEL是决定故障后放行的最低设备清单；6.维修必须依据经批准的technicaldata，如AMM、SRM；7.拆下件应挂标签tag；8.maintenancerelease是维修放行凭证；9.工作单副本存入maintenancerecords；10.airworthy表示适航。三、阅读理解（每题2分，共10题，共20分）短文一Aircraftmaintenancechecksarecategorizedintodifferentlevelsaccordingtotheirscopeandfrequency.TheAcheckisperformedroughlyevery400-600flighthoursandtypicallytakes20-50man-hours.Itincludesgeneralinspectionsofsystemsandcomponents,lubrication,andreplacementoffilters.TheCcheckismoreextensiveandiscarriedoutevery18-24monthsorafteraspecifiednumberofflightcycles.Itmaytakeseveralweeksandinvolvesdetailedinspectionofmostaircraftsystems,structuralareas,andaccesspanels.DuringaCcheck,corrosionpreventionandtreatmentareoftenperformed.TheDcheck,alsoknownasaheavymaintenancevisit,involvesmajorstructuralinspectionsandisusuallyscheduledevery6-10years.BecausetheDcheckisveryexpensive,someairlinesmaychoosetoretireolderaircraftratherthanperformthecheck.1.TheAcheckisusuallyperformedevery____.A.100-200flighthoursB.400-600flighthoursC.18-24monthsD.6-10years答案：B2.Whichmaintenancecheckisthemostextensiveandexpensive?A.AcheckB.CcheckC.DcheckD.Pre-flightcheck答案：C3.DuringaCcheck,oneofthecommonactivitiesis____.A.passengercabincleaningB.corrosionpreventionandtreatmentC.pilottrainingD.weightandbalancecalculation答案：B4.TheCcheckistypicallycarriedoutevery____.A.400-600flighthoursB.800-1000flighthoursC.18-24monthsD.6-10years答案：C5.Accordingtothepassage,whymayanairlineretireanaircraftinsteadofperformingaDcheck?A.BecauseDcheckistoofrequentB.BecauseDcheckisveryexpensiveC.BecauseDchecktakesonlyafewhoursD.BecauseDcheckisnotrequiredbyregulations答案：B解析：1.第一段明确Acheck每400-600飞行小时执行一次；2.第二段说明Dcheck最耗时、费用最高；3.第二段说明Ccheck期间常做腐蚀预防和处理；4.第二段明确Ccheck每18-24个月执行一次；5.最后一句说明Dcheck非常昂贵，这是退役原因。短文二Corrosionisoneofthemostseriousthreatstoaircraftstructuralintegrity.Itoccurswhenmetalreactswithitsenvironmentthroughanelectrochemicalprocess.Commonformsincludesurfacecorrosion,pitting,andgalvaniccorrosion.Galvaniccorrosionhappenswhentwodissimilarmetalsareincontactinthepresenceofanelectrolyte,suchassaltwater.Topreventcorrosion,engineersapplyprotectivecoatings,usesealants,andselectcompatiblematerials.Regularinspectioniscriticalbecausecorrosioncandevelopinhiddenareassuchaslapjoints,wheelwells,andbatterycompartments.Ifcorrosionisfound,itmustberemovedandtheaffectedareatreatedimmediately.Heavycorrosioncanreducethestrengthofstructuralmembersandmayleadtogroundingoftheaircraftuntilrepairsarecompleted.6.Whatcausesgalvaniccorrosion?A.HightemperatureB.ContactbetweendissimilarmetalsinthepresenceofanelectrolyteC.ExcessivevibrationD.Ultravioletradiation答案：B7.WhichofthefollowingisNOTacommonformofcorrosionmentionedinthepassage?A.SurfacecorrosionB.PittingC.GalvaniccorrosionD.Fatiguecracking答案：D8.Corrosionislikelytodevelopinhiddenareassuchas____.A.PassengerseatsB.LapjointsandwheelwellsC.CockpitwindowsD.Cargoloadingramps答案：B9.Theword"grounding"inthelastsentencemostprobablymeans____.A.landingsafelyB.removingpaintfromtheaircraftC.prohibitingtheaircraftfromflyinguntilrepairsarecompletedD.connectingtheaircrafttoanelectricalground答案：C10.Whatisthemainpurposeofthepassage?A.TodescribedifferenttypesofaircraftpaintB.Toexplainthecauses,prevention,andimpactofcorrosionC.TocompareAcheckandCcheckD.Tointroducetheelectricalsystemofanaircraft答案：B解析：6.第二段说明galvaniccorrosion由dissimilarmetals在electrolyte中接触引起；7.文中列出的腐蚀形式有surfacecorrosion、pitting、galvaniccorrosion，没有fatiguecracking；8.第三段提到hiddenareassuchaslapjoints,wheelwells,andbatterycompartments；9.grounding在此上下文中指飞机停飞，禁止飞行；10.全文主旨是介绍腐蚀的原因、预防与影响。四、翻译题（每题3分，共10题，共30分）英译汉1.Beforestartinganymaintenancetask,makesuretheaircraftisproperlygroundedandthecockpitwarningsignsareinstalled.答案：开始任何维护工作前，确保飞机已正确接地，并已安装驾驶舱警告牌。解析：注意grounded在此处译为“接地”，而非“停飞”；cockpitwarningsigns为“驾驶舱警告牌”。2.RefertotheAircraftMaintenanceManual(AMM)fordetailedremovalandinstallationproceduresofthelandinggearactuator.答案：有关起落架作动筒的详细拆卸和安装程序，请参阅《飞机维护手册》（AMM）。解析：actuator译为“作动筒”或“作动器”；AMM保留缩写并注中文全称。3.Thehydraulicsystempressuremustberelievedbeforedisconnectinganyhydraulicline.答案：在断开任何液压管路之前，必须释放液压系统压力。解析：relievepressure译为“释放压力”；disconnect译为“断开”。4.ThewornsealshouldbereplacedinaccordancewiththeapplicableIllustratedPartsCatalog(IPC).答案：磨损的密封圈应根据适用的《图解零件目录》（IPC）进行更换。解析：wornseal译为“磨损的密封圈”；IPC为《图解零件目录》。5.After