民用航空器维修人员执照英语考试题库及答案

民用航空器维修人员执照英语考试题库及答案一、词汇单项选择题（每题1分，共30分）1.The___provideshydraulicpressureforthelandinggearsystem.A.pumpB.valveC.filterD.reservoir答案：A解析：起落架系统的液压压力由液压泵（pump）提供；油箱（reservoir）储存油液，阀门（valve）控制流向，过滤器（filter）滤除杂质。2.A___isusedtomeasuretheclearancebetweentwoparts.A.micrometerB.torquewrenchC.ohmmeterD.tachometer答案：A解析：千分尺（micrometer）用于测量间隙或外径；扭矩扳手（torquewrench）控制拧紧力矩，欧姆表（ohmmeter）测电阻，转速表（tachometer）测转速。3.Theaircraftmustbe___beforemaintenancebegins.A.groundedB.refueledC.loadedD.departed答案：A解析：维修前飞机必须接地（grounded），以释放静电并防止触电；加油、装载、离场都不是维修前的常规安全要求。4.Thecomponentthatconvertselectricalenergyintomechanicalmovementiscalleda(n)___.A.actuatorB.sensorC.generatorD.transformer答案：A解析：作动筒/执行机构（actuator）将电能或液压能转换为机械运动；传感器（sensor）将物理量转换为电信号，发电机（generator）将机械能转换为电能。5.Thepilotreportedafirewarninginthe___.A.cargocompartmentB.cockpitC.passengercabinD.avionicsbay答案：B解析：飞行员（pilot）位于驾驶舱（cockpit），因此他报告的着火警告来自驾驶舱。6.Toprotectthemetalsurfacefromcorrosion,apply___beforepainting.A.primerB.sealantC.lubricantD.solvent答案：A解析：底漆（primer）具有防腐蚀和增强漆层附着力的作用；密封胶（sealant）用于密封缝隙，润滑剂（lubricant）用于减少摩擦，溶剂（solvent）用于清洗。7.Themaintenancemanualgivesthe___forreplacingthewheel.A.proceduresB.performanceC.limitationsD.documents答案：A解析：维修手册提供的是更换机轮的程序（procedures）。8.Theremovalofacomponentfromanaircraftiscalled___.A.installationB.removalC.adjustmentD.calibration答案：B解析：把部件从飞机上拆下称为removal（拆除）；installation是安装，adjustment是调整，calibration是校准。9.The___ofaboltincludesitsdiameterandthreadpitch.A.threadB.headC.shankD.point答案：A解析：螺栓的螺纹（thread）规格包括直径和螺距；head是螺栓头，shank是光杆段，point是尖端。10.Theairplaneis___forflightwhenallsystemsareinasafeandreliablestate.A.airworthyB.serviceableC.scheduledD.certified答案：A解析：airworthy表示“适航的”，即飞机处于可安全飞行的状态；serviceable表示部件可用。11.The___controlstheflowoffueltotheengine.A.throttleB.leverC.cableD.switch答案：A解析：推力杆/油门杆（throttle）控制发动机供油量；lever是通用操纵杆，cable是钢索，switch是电门。12.A___isaconditionthatjeopardizesflightsafety.A.hazardB.riskC.defectD.damage答案：A解析：hazard指危险源/危害条件；risk指风险发生的概率与后果，defect是缺陷，damage是损坏。13.Thelandinggearisextendedandlocked___.A.inplaceB.downC.upD.off答案：B解析：起落架放下并锁住的标准英文表达是extendedandlockeddown。收上并锁住为upandlocked。14.Replacementpartsmustbe___withtheoriginalpartnumbers.A.identicalB.differentC.compatibleD.similar答案：A解析：更换件必须与原始件号一致（identical），以保持构型正确；compatible表示“兼容的”，不符合执照维修中件号一致的要求。15.Ahydraulicsystemuses___totransmitpower.A.fluidB.airC.electricityD.gas答案：A解析：液压系统以不可压缩的液压油（fluid）作为功率传递介质。16.The___providesavisualindicationoftheaircraft'sattitude.A.altimeterB.attitudeindicatorC.compassD.airspeedindicator答案：B解析：姿态指示仪（attitudeindicator）显示飞机相对于地平线的俯仰和倾斜姿态；高度表（altimeter）显示高度，罗盘（compass）显示航向，空速表显示速度。17.Cracksfoundduringaninspectionshouldbe___tothesupervisorimmediately.A.reportedB.repairedC.ignoredD.recorded答案：A解析：检查中发现的裂纹应立即报告主管，不得自行修理、忽略或仅记录而不上报。18.Thefireextinguishingsystemdischarges___intotheenginebay.A.agentB.waterC.foamD.powder答案：A解析：航空灭火系统释放的是灭火剂（extinguishingagent），通常为卤代烃或惰性气体。19.Topreventanutfromloosening,thecommonpracticeistousea___.A.safetywireB.plainwasherC.springpinD.gasket答案：A解析：防止螺母松动的常用方法包括打保险丝（safetywire）、口销和自锁螺母；平垫圈（plainwasher）和垫片（gasket）不具备锁紧功能。20.The___isusedtoinspecttheinteriorofaturbineenginewithoutdisassembly.A.borescopeB.microscopeC.telescopeD.periscope答案：A解析：内窥镜（borescope）可伸入发动机内部检查叶片等部件，无需分解；microscope是显微镜，telescope是望远镜，periscope是潜望镜。21.Theaircraftmanualstatesthatthemaximum___altitudeis41,000feet.A.operatingB.cruisingC.takeoffD.emergency答案：A解析：手册里的“最大使用高度”通常写作maximumoperatingaltitude；巡航高度（cruisingaltitude）是某次飞行的巡航高度，不是手册限制值。22.Beforeworkingonanelectricalsystem,youmustensurethatelectricalpoweris___.A.removedB.appliedC.connectedD.charged答案：A解析：电气维修前必须断开电源（powerremoved/de-energized），以确保安全。23.The___transfersheatbetweenhotandcoldair.A.heatexchangerB.condenserC.nozzleD.manifold答案：A解析：热交换器（heatexchanger）用于在热空气与冷空气之间传递热量；冷凝器（condenser）是冷凝工质的部件，喷嘴（nozzle）用于喷射，总管（manifold）用于分配流体。24.Aviationmaintenancetechniciansmust___allworkinthemaintenancelog.A.recordB.approveC.inspectD.signoff答案：A解析：维修人员需要把所做工作记录（record）在维修记录本中；approve是批准，inspect是检查，signoff是签署放行。25.The___ofthewindshieldiscracked,sothewindshieldmustbereplaced.A.glassB.frameC.sealD.wiper答案：A解析：挡风玻璃的玻璃板（glass）开裂，需要更换整个风挡；frame是窗框，seal是密封件，wiper是雨刮。26.A(n)___isaflightperformedtoverifytheaircraft'sconditionaftermaintenance.A.functionalcheckflightB.deliveryflightC.ferryflightD.trainingflight答案：A解析：功能检查飞行（functionalcheckflight）用于维修后验证飞机的系统功能；deliveryflight是交付飞行，ferryflight是调机飞行，trainingflight是训练飞行。27.Theterm"___"meanstoputtheaircraftbackintoserviceaftermaintenance.A.releaseB.dispatchC.launchD.clear答案：A解析：维修后“放行”的标准用语是releasetoservice；dispatch是签派/调度，launch是发射/启动，clear是许可。28.Excessive___inthefuelcancauseanenginemalfunction.A.contaminationB.additivesC.octaneD.density答案：A解析：燃油中的过量污染物（contamination）会导致发动机故障；additives是添加剂，octane是辛烷值，density是密度。29.The___oftheaircraftislimitedto90minutes.A.enduranceB.rangeC.speedD.ceiling答案：A解析：endurance指续航时间，以分钟或小时计；range是航程，speed是速度，ceiling是升限。30.Themaintenancetaskmustbeperformedinaccordancewiththe___.A.approveddataB.oralinstructionsC.verbalordersD.certifications答案：A解析：维修工作必须依据经批准的维修数据（approveddata）执行，如维修手册、适航指令等；口头指示不作为法定依据。二、阅读理解（每题2分，共20分）Passage1Aftercompletingmaintenance,themaintenancepersonnelmustensurethatallworkhasbeencarriedoutinaccordancewiththeapprovedmaintenancedata.Areleasetoservice(RTS)certificateisissuedwhenallrequiredtasksaredoneandnodefectsthataffectairworthinessremain.BeforesigningtheRTS,thecertifyingstaffmustverifythattheaircraftconfigurationiscorrect,allconsumablematerialsareusedproperly,andallaccesspanelsareclosedandsecured.Ifanyitemisincomplete,theaircraftmustnotbereleased.Themaintenancerecordshouldincludethedate,theaircraftregistration,thedetailsoftheworkperformed,andthesignatureofthecertifyingstaff.1.WhyistheRTScertificateissued?A.Becausetheaircraftneedstobefueled.B.Becauseallrequiredmaintenancetaskshavebeencompleted.C.Becausethepassengersarewaiting.D.Becausetheflightscheduleistight.答案：B2.WhatmustthecertifyingstaffcheckbeforesigningtheRTS?A.Theavailabilityofsnacks.B.Thecorrectconfigurationoftheaircraft.C.Thecolorofthepaint.D.Thenumberofpilots.答案：B3.WhenmusttheaircraftNOTbereleased?A.Whensomeitemsareleftincomplete.B.Whentheaircraftisclean.C.Whenthefuelisfull.D.Whenthecrewisonboard.答案：A4.Whichitembelongsinthemaintenancerecord?A.Thepilot'sflighttime.B.Thepassenger'sseatnumber.C.Theaircraftregistration.D.Theairport'srunwaylength.答案：C5.Thephrase"certifyingstaff"refersto____.A.passengerswhocertifytheirticketsB.peopleauthorizedtosignthemaintenancereleaseC.pilotswhocertifytheflightplanD.manufacturerswhoissuethetypecertificate答案：BPassage2Hydraulicsystemsarewidelyusedinaircrafttoactuateflightcontrolsurfaces,landinggear,andbrakes.Abasichydraulicsystemconsistsofareservoir,apump,valves,actuators,filters,andlines.Thepumpsuppliespressurizedfluidfromthereservoirtotheactuators.Pressurereliefvalvesprotectthesystemfromoverpressure.Filtersremovecontaminantsfromthefluidtopreventdamagetothecomponents.Actuatorsconverthydraulicpressureintomechanicalmovement.Beforeperformingmaintenanceonahydraulicsystem,thetechnicianmustdepressurizethesystem,useproperpersonalprotectiveequipment,andobservefluidsafetyrequirements.Afterservicing,checkforleaksaroundallconnections.6.WhichofthefollowingisNOTacomponentofabasichydraulicsystem?A.Reservoir.B.Pump.C.Battery.D.Actuator.答案：C7.Whatisthefunctionofanactuatorinahydraulicsystem?A.Tostorehydraulicfluid.B.Toconvertpressureintomechanicalmovement.C.Tofilterthefluid.D.Torelievepressure.答案：B8.Whatprotectsthehydraulicsystemfromoverpressure?A.Thefilter.B.Thereliefvalve.C.Thereservoir.D.Thepump.答案：B9.Whyarefiltersusedinahydraulicsystem?A.Toincreasefluidpressure.B.Toremovecontaminants.C.Tocoolthefluid.D.Tochangethefluidcolor.答案：B10.Whatmustatechniciandobeforeworkingonahydraulicsystem?A.Depressurizethesystem.B.Fillthereservoir.C.Increasethepumpspeed.D.Replacealllines.答案：A三、英译汉（每题5分，共25分）1.Beforeinstallingthenewbrakeassembly,inspectthewheelhubforcracks.答案：安装新刹车组件之前，检查轮毂是否有裂纹。解析：关键词brakeassembly（刹车组件）、wheelhub（轮毂）。inspect...for...意为“检查……是否有……”。2.Theaircraftmustbegroundedandbondedtopreventstaticelectricityhazardsduringrefueling.答案：加油期间，飞机必须接地和搭接，以防止静电危害。解析：grounded为接地，bonded为搭接（电位连接），二者用于导除静电；staticelectricityhazards即静电危害。3.Allmaintenanceactionsshallbedocumentedintheaircraftmaintenanceloginaccordancewiththeapprovedprocedures.答案：所有维修活动必须按照经批准的程序记录在飞机维修记录本中。解析：shall在规范性文件中表示强制性要求；bedocumented是被记录，inaccordancewith意为“按照”。4.Theflapactuatorfailedtoextendtheflaptotheselectedposition,andthefaultwastracedtoadefectivepositionsensor.答案：襟翼作动筒未能将襟翼伸出到选定位置，故障被追溯到位置传感器存在缺陷。解析：flapactuator为襟翼作动筒；betracedto意为“被追溯到……”，defectivepositionsensor为有缺陷的位置传感器。5.Useonlyapprovedcleaningagentstoremoveoilandgreasefromtheaircraftskin;othersolventsmaydamagethepaintandcorrosionprotection.答案：只允许使用经批准的清洁剂去除飞机蒙皮上的滑油和油脂；其他溶剂可能会损坏漆层和防腐蚀层。解析：approvedcleaningagents为经批准的清洁剂；aircraftskin是飞机蒙皮；corrosionprotection是防腐蚀措施/涂层。四、汉译英（每题5