机务英语试题及答案

机务英语试题及答案

一、单项选择题（共30题，每题1分，共30分）（请从每题四个选项中选择最符合题意的一项）The primarypurpose of an aircraft’s avionicssystem isto______flight operations.A.simplify B.monitor andcontrol C.replace manualD.reduce fuelconsumptionWhen performingmaintenance on an aircraft,“torque”refersto______.A.the forceof gravityB.rotational forceto fastencomponentsC.air pressureD.electrical currentWhichterm describes the processof checkingfor looseordamaged partsonan aircraftA.Inspection B.Repair C.Overhaul D.CalibrationThe abbreviation“CMM”in aviationmaintenance usuallystands for______.A.Component MaintenanceManual B.Cockpit MonitoringModuleC.Critical MaintenanceMessage D.Comprehensive MaintenancePlanWhenan aircraft is“grounded,”it meansit is______.A.ready fortakeoff B.undergoing maintenanceC.unable toflyD.being refueledThe term“hydraulic”relates tosystems thatuse______totransmit power.第1页共12页A.compressed airB.electrical signalsC.fluid D.mechanical gearsInaircraft maintenance,“TBO”is anabbreviation for______.A.Time BetweenOverhauls B.Total Build-Out timeC.Technical BackupOfficer D.Temporary BreakdownOutageWhich of the followingtools istypically usedto measuretorqueA.Screwdriver B.Torque wrenchC.Vernier caliperD.MultimeterThe“engine parameters”include allof the following EXCEPT______.A.RPM B.Temperature C.Fuel flowD.AltitudeWhen a mechanic“clears”a component,it means they______.A.mark itas defectiveB.confirm it is safefor useC.request replacementD.clean itthoroughlyThe term“airframe”refers to______.A.the aircraft’s enginesB.the structureof the aircraftC.the interiorcabin D.the landing gear systemWhich system controlstheaircraft’s pitch,roll,and yawA.Flight controlsystem B.Hydraulic systemC.Electricalsystem D.Fuel systemIna pre-flight inspection,“braking efficiency”is checkedto ensure the______.第2页共12页A.tires areproperly inflatedB.brakes workas intendedC.landinggearis lockedD.engine startssmoothlyThe abbreviation“ECAM”in modernaircraft stands for______.A.Electronic CentralizedAircraft MonitorB.Engine ControlandAlert ModuleC.Emergency ConditionAlert ManagementD.Equipment andComponent AnalysisSystemWhen amechanic says“the partis withintolerance,”itmeans______.A.it needsreplacement B.it meetsspecified sizelimits C.it isdamaged D.it ismade ofcorrect materialTheterm“airworthiness”in aviationmeans theaircraft is______.A.fast enoughfor flightB.safe andsuitable for flight C.recently maintainedD.lightweightWhich of the following is NOTa typeof aircraftfuelA.Jet A-1B.AvGas C.Kerosene D.DieselWhen performing an oilchange,the mechanicchecks the______toensureproper levels.A.dipstick B.pressure gaugeC.filter D.thermostatThe“pitot staticsystem”is usedto measure______.A.engine powerB.airspeed and altitude C.fuel quantityD.temperatureThe term“overhaul”in maintenancemeans______.第3页共12页A.minor repairB.complete disassemblyand repairC.routine inspectionD.cleaning andlubricationIn electricalsystems,“voltage”is measuredin______.A.ohms B.volts C.watts D.amperesWhich componentconverts mechanicalenergy toelectricalenergyA.Alternator B.Battery C.Starter D.RegulatorWhen a component is“de-energized,”it means______.A.power isremoved B.it isturned onC.it isfaulty D.it is being testedTheabbreviation“MMEL”standsfor______.A.Minimum MaintenanceEquipment ListB.Minimum MaintenanceExemptionList C.Maximum MaintenanceEquipment LimitD.Maximum MaintenanceExemption LimitWhich of the followingis a commoncause of an engine“failure inflight”A.Proper oilpressure B.Fuel contaminationC.Regularinspection D.Warm enginestartThe term“tightening tospecification”means______.A.using aspecific torquevalue B.tightening untilitfeels firmC.over-tightening toprevent looseningD.usinga wrenchof standardsizeIn aircraftmaintenance,“NDT”refers to______.A.Non-Destructive TestingB.Normal DefectTracking C.NewDamage DetectionTechnique D.Networked DiagnosticTool第4页共12页Whichsystemprovides electricalpower whenthe mainenginesare offA.APU B.Battery C.Generator D.TransponderThe“maintenance logbook”is usedto record______.A.flight hoursB.all maintenanceactions C.fuelconsumption D.passenger countsWhenamechanic“tags andlocks”acomponent,itisto______.A.mark itas newB.prevent accidentaloperation C.indicate itisbeingrepaired D.show itis fortesting

二、多项选择题（共20题，每题2分，共40分）（请从每题五个选项中选择所有正确答案，多选、少选、错选均不得分）Which of the following are partsof an aircraft’s landinggearsystem Select all that applyA.Struts B.Brakes C.Propellers D.Wheels E.Nose gearTheabbreviation“APU”is usedto referto which of thefollowingSelect all that applyA.Auxiliary PowerUnit B.Automatic PropulsionUnit C.AirPressure Unit D.Auxiliary PowerUnit commonin bothmilitaryand civilaviation E.Altitude ProcessingUnitWhen performinga pre-flight inspection,which of thefollowing should be checkedfor properoperation Select allthat apply第5页共12页A.Navigation lightsB.Landing gearposition indicatorsC.Engine startsequence D.Oxygen masksE.Emergency exitsWhichof the following are types of aircraft systemsSelectall that applyA.Hydraulic B.Electrical C.Fuel D.Environmentalcontrol E.StructuralThe term“torque specifications”include which of thefollowingSelect all that applyA.Torque valuee.g.,25N·m B.Direction oftighteningC.Sequence oftightening D.Tool typeto useE.Tolerancerange±2N·mWhich ofthe followingare commonmaintenance tasksfor anaircraft’s engineSelect all that applyA.Oil changeB.Filter replacementC.Spark pluginspectionD.Wing inspectionE.Fuel injectorcleaningIn electricalsystems,whichofthe followingcomponents cancausea shortcircuit Select allthat applyA.Damaged wiresB.Loose connectionsC.Overloaded circuitD.Fuse E.BatteryWhich ofthe followingare reasonsanaircraftmight be“cancelled for flight”Select allthat applyA.Structural damageB.Faulty systemsC.Weatherconditions D.Missing componentsE.Low fuelThe“maintenance manual”includes whichofthe followinginformation Select allthatapply第6页共12页A.Torque specificationsB.Inspection proceduresC.Partnumbers D.Flight schedulesE.Safety warningsWhencommunicating withair trafficcontrol ATCaboutmaintenance,which termsmight beused Select all thatapplyA.“Aircraft isunavailable fordeparture”B.“Maintenance inprogress”C.“Aircraft readyfor flight”D.“Fuel levelis critical”E.“Cabin pressuremalfunction”Whichofthefollowingare typesof aircraftengines Selectall that applyA.Reciprocating pistonB.Turbofan C.Turbojet D.Turboprop E.RotorThe term“aircraft systems”includes whichofthefollowingSelect allthat applyA.Flight controlB.Hydraulic C.Electrical D.Environmental controlE.Ground supportWhen performingapost-flight inspection,whichofthefollowing shouldbe checkedfor signsof overheatingSelectallthat applyA.Exhaust stacksB.Brake discsC.Engine cowlingD.Landing geartires E.Propeller bladesWhichofthefollowingaresafety precautionsin aircraftmaintenanceSelectallthatapply第7页共12页A.Wear personalprotective equipmentPPE B.De-energizesystems beforework C.Follow lockout-tagout proceduresD.Use correcttools E.Work aloneto avoiddistractionsThe abbreviation“ECU”could stand for whichofthefollowingSelectallthat applyA.Engine ControlUnit B.Electrical ControlUnit C.Environmental ControlUnitD.Emergency ControlUnit E.Equipment ControlUnitWhich ofthefollowingare componentsofanaircraft’s fuelsystemSelectallthat applyA.Fuel tanksB.Pumps C.Valves D.Filters E.CylindersWhen troubleshootingan electricalsystem,which toolsmightbe usedSelectallthatapplyA.Multimeter B.Ohmmeter C.Torque wrenchD.Voltagetester E.Vernier caliperTheterm“airworthiness directiveAD”is usedto refertowhich ofthefollowingSelectallthatapplyA.Mandatory maintenancerequirement B.Safety alertforspecific faultsC.Optional inspectionprocedure D.Manufacturer’s recommendationE.Routine maintenancetaskWhich ofthefollowingaretypesofaircraftstructuresSelect allthatapplyA.Monocoque B.Semi-monocoque C.Truss D.Tubular E.Allof theabove第8页共12页Whenperforminga“walk-around”inspection,which areasofthe aircraftshouldbechecked SelectallthatapplyA.Nose andleading edgesB.Engines andpropellers C.Landing gearand tiresD.Cabin windowsE.Tail andstabilizers

三、判断题（共20题，每题1分，共20分）（对的打“√”，错的打“×”）Theterm“maintenance”only refersto repairingbrokenparts.A“pre-flight inspection”is performedafter theaircraftlands.“Torque”is measuredin newton-meters N·m inmetricunits.The APUprovides electricalpower whenthe mainengines arerunning.“Airworthiness”meanstheaircraft islightweight andfast.The“flight controlsystem”includes ailerons,elevators,and rudder.“Fuel contamination”can damageanaircraftengine.A“multimeter”is usedto measurevoltage,current,andresistance.“CMM”standsfor“Component MaintenanceManual.”The“pitot staticsystem”measures airspeedandaltitude.第9页共12页“Overhaul”is aminor repairto anaircraft component.“Grounding”an electricalsystem meansconnecting itto theairframe.“TBO”is thetime betweenwhen anaircraft islastinspected.The“alternator”converts mechanicalenergy toelectricalenergy.“NDT”isamethod todetect internalflaws inaircraftparts withoutdamaging them.“MMEL”lists partsthat canbe missingforflightifspecified.“Braking efficiency”is checkedduring apre-flightinspection.“ECAM”displays criticalflight andsystem informationtothe crew.“De-energizing”a systemmeans turningit off.“Aircraft systems”only includemechanical components.

四、简答题（共2题，每题5分，共10分）Briefly describethe purposeofapost-flight inspection.What doesthe abbreviation“TBO”standforin aviationmaintenance,and whyis itimportant参考答案

一、单项选择题B

2.B

3.A

4.A

5.C

6.C

7.A

8.B

9.D

10.B第10页共12页B

12.A

13.B

14.A

15.B

16.B

17.D

18.A

19.B

20.BB

22.A

23.A

24.B

25.B

26.A

27.A

28.A

29.B

30.B

二、多项选择题ABDE

2.AD

3.ABDE

4.ABCD

5.ABCDEABCE

7.ABC

8.ABD

9.ABCE

10.ABCABCD

12.ABCD

13.ABC

14.ABCD

15.ACABCD

17.ABD

18.AB

19.ABCDE

20.ABCE

三、判断题×

2.×

3.√

4.×

5.×

6.√

7.√

8.√

9.√

10.√×

12.√

13.×

14.√

15.√

16.√

17.√

18.√

19.√

20.×

四、简答题Post-flight inspectionpurpose:To checkforflight-relateddamage e.g.,debris,dents,leaks,loose components,orsystem malfunctions,ensuring theaircraftissafe forsubsequentflights.TBO meaningand importance:TBO=Time BetweenOverhauls.It’stherecommended timebetween overhaulsto preventunexpectedfailures,ensuring componentreliability andsafety.第11页共12页文档说明本试题涵盖机务英语核心词汇、系统术语及实际应用场景，题目设计贴合机务工作需求，答案准确规范，可作为机务人员英语能力提升练习资料第12页共12页。