A320飞机系统(第二版飞院)课后题答案

ReferenceanswerforAirbus320November6,2015PrefaceThereferenceanswerisonlyforyourreference.Duetothelimitedleveloftheauthor,itisinevitablethattherewillbemistakes.Welcometocorrect.CatalogCHAPTER1INDICATING/RECORDINGSYSTEMSCHAPTER2ELECTRICALPOWER

CHAPTER3HYDRAULICSYSTEM CHAPTER4FLIGHTCONTROLSSYSTEM

CHAPTER5LANDIGGEARSYSTEM

CHAPTER6PNEUMATICSYSTEM

CHAPTER7AIRCONDFITIONGSYSTEM CHAPTER8FUELSYSTEM

CatalogCHAPTER9APU(GARRETT) CHAPTER10POWERPLANT(V2500-A5)CHAPTER11FIREPROTECTION

CHAPTER12WATERANDWASTESYSTEMCHAPTER13LIGHTS CHAPTER14COMMUNICATON

CHAPTER15NAVIGATON

CHAPTER16AUTOFLIGHTSYSTEM. Chapter1indicating/recordingsystems1、Onwhichdiplaysaretheengineparamenters?PFDB.NDC.E/W2、Whatdothevisualattentiongettersconsistof?AredanamberlightbelowtheE/WdisplayAredandanamberlightinfrontofeachpilotsAmessagedisplayedonPFD1.3、Whichcomputerprocessesthewarnings?SDACFWCDMC4、Whichcomputercomputetheflightphases?SDACFWCDMC5、WhatisthebasicroleoftheDMCS?Theycomputeandgeneratedisplays.Theygenerateaudiowarnings.Theygenerateamberwarnings.6、Wheredoesawaringmessageappear?UpperareaLeftmemoareaRightmemoarea7、Whatdoesawarningmessagereplace?memosslats/flapspositionfuelindication8、howmanyECAMsystempagescanbedisplayedinSD?10pages11pages12pages9、WhichECAMpageisdisplayedincruise?EnginepageFlt/CTLpageCruisepage10、WhichECAMpageisdisplayedwhenthelandinggearisselecteddowninphase6?WheelpageCruisepageFlt/CTLpage11、Onwhichdisplaydoesthewarningmessageappear?SystemdisplayEngine/warningdisplayStatusdisplay12、Whathappensiftherecallpushbuttonispressed?WarningareinhibitedThestatuspageisdisplayedThewarningarerecalled13、WhatisdisplayedontheSTATUSpage?MemomessagesOperationalstatusmessageWarningmessages14、Thepostflightreportismadeupfrom:OnlytheLASTLEGECAMREPORTTHELASTLEGECAMREPOTEANDTHELASTLEGREPORT.ONTYTHELASTLEGREPORT15、Howmanyflightlegscanthetype1systemmemorizefailuresoccurredin?641016、Howmanyflightlegscanthetype2systemmemorizefailuresoccurredin?641017、Howmanyflightlegscanthetype3systemmemorizefailuresoccurredin?641018、Whichactionmustbetakenbymaintenancepersonnelwhenaclass1failureaffectsanaircraftsystem?RefertoMELtoknowifthefailureisaGO,NOGOORGOIFitem.NonotrefertotheMELNothingasthefailurecanbeleftuncorrecteduntilthenextscheduledmaintenancecheck.19、Whendoesaclass3failurehavetobecorrected?Immediatelybecauseithasoperationalconsequences.BeforenextflightClass3failurescanbeleftuncorrected.20、Inflight,aclass2failurehasoccurred.Now,weareonground.Whereisthisfailuredisplayed?OnlyontheECAMSTRATUSPAGE.INTHELASTLEGREPORT,THEAVIONICASTATUSANDTHEECAMSTATUSPAGE.Class2failuresareonlydisplayedinflight.21、WhatisthepurposeoftheDFDRS?Conditionmonitoringoftheengines.TorecordmandatoryparametersTorecordparametersinasolidstatememoryforgroundmaintenance.22、HowlongcantheFDRstorethedatacollectedbyFDIU?2hours30minutes.25hours.Chapter2electricalpower1、Thestaticinverteroperates:PermanentlyWhenonbatteriesonlyWhenoneenginegeneratorfails2、ACESSBUSisnormallysuppliedbythe:ACBUS1ACBUS2Emergencygenerator3、DCBATBUScanbesuppliedbythe:DCBUS1ORBATTERIESDCBU1,DCBUS2ORBATTERIESDCBUS2ORBATTERIES4、Actransfersenableacbuses:TobeconnectedinparallelTobesuppliedbyanygeneratororexternalpowerTobesuppliedbyAPUGENOREXTPWRONLY5、HowisIDG1disconnected?Automatically,whenanoverspeedisdetected.Automatically,whenafaultyparameterisdetectedbytheGCU.BypressingtheIDG1guardedpushbutton.6、Whendoesthecoolerbypassvalveopen?Whenanover-temperatureisdetectedDuringcoldconditionsoperation.Whenthefilterisclogged.7、WhendoestheIDGFAULTlightcomeon?IncaseofoverheatorlowpressuredetectionIncaseofoverheatandhighpressuredetectionIncaseofoverheatorhighpressuredetection8、Withtheenginegeneratorsonline,whatdoestheEXTPWRonlightindicatewhenlit?TheexternalgroundcartissupplyingtheACBUS1and2TheexternalpowercontactoriscontrolledtocloseTheexternalgroundcartissupplyingtheAC/DCgroundservicebuses.9、WhatdoestheEXTPWRAVAILlightindicatewhenlit?Thegroundpowercontrolunithastrippedtheexternalgroundcart.TheexternalgroundcartisconnectedtotheaircraftnetworkTheexternalgroundcartcanbeconnectedtotheaircraftnetwork.10、Thegroundcartisrunningandswitchedon.TheEXTPWRpushbuttonispressedinandthereisnoindication.Whatdoesthatconfigurationmean?TheGPCUissuppliedandtheEPCisopen.TheGPCUisnotsuppliedandtheEPCisopne.TheGPCUissuppliedandtheEPCisclosed.11、Whatistheindicationontheexternalpowerreceptaclewhenthegroundcartisconnectedtotheaircraftnetwork?NotINUSELIGHTONANDAVAILLIGHTON.NOTINUSELIGHTOFFANDAVAILLIGHTON.NOTINUSELIGHTOFFANDAVALLLIGHTOFF.CHAPTER3HYDRAULICSYSTEM1、Whichhydraulicsystemsarepressurizedbyanenginedrivenpump?Blueandgreen.Yellowandblue.Greenandyellow.2、Innormaloperation,whatisthebluehydraulicsystempressurizedby?Thepowertransferunit.Anenginedrivenpump.Anelectricpump.3、Isitpossibletostowtheramairturbineinflight?No.Yes.4、Whathappensifthehydraulicpressuredrops?Thepriorityvalvesgiveprioritytotheheavyloadusers.Thepriorityvalvesgiveprioritytotheessentialsystems.Thepriorityvalvesmodulatethepressuretotheusers.5、Abluesystempipelineisidentifiedby:Abluebandandnumber1.Abluebandandnumber3.Abluebandandnumber2.6、WhenisthePTUoperationinhibited?Never,itcannotbeinhibited.Onlyifanenginefailurehasbeendetected.Incaseofcargodooroperationwiththeyellowelectricpump.9、Whendoestheratdeployautomatically?Inflight,fibluehydraulicpowerislost.Assoonastwohydraulicpowersystemsarelost.Atspeedsgreaterthan100Kts,ifallelectricalpowersourcesarelost.10、Whenistheenginedrivenpumpinthedepressurizedmode?WhentheENG2PUMPpushbuttonissettoOFF.Theenginepumpcannotbedepressurizedastheengineisrunning.Theenginepumpisautomaticallydepressurizediftheoutputpressuredropsbelow1450psi.11、HowcantheLHwingbesuppliedindependentlyduringleakmeasurementtest?Bysettingtheleakmeasurementvalvetooffandoperatingtheelectricpump.BypressurizingtheyellowsystembyusingthePTU.BysettingtheleakmeasurementvalvetoOFFandmanuallyopentheLHwingspoolvalve.12、whatcanthehandpumpbeusedfor?Topressurizethereservoir.Tochecktheflightcontrols.Tooperatethecargodoors.13、duringwhichoperationistheleakmeasurementvalveclosedautomatically?PTUoperation.Cargodooroperation.Handpumpoperation.14、WhencantheAPUpressurizethereservoirs?OngroundonlyInflightonlyAandB.15、Whatarethemanualdepressurizationvalvesprovidedfor?IndividualreservoirdepressurizationDepressurizationofrelatedhydrauliccircuitHydraulicsystemdepressurization16、Whatisthepurposeofthepressurereliefvalve?TorelievehydraulicpressuretothereturnmanifoldTorelieveexcessiveairpressuretotheatmosphereToprovideoverpressurewarningtotheECAM17、Dothehydraulicreservoirshavetobedepressurizetorefillwithhydraulicfluid?YesNo18、Whatisthemainfunctionoftherestrictor?Tolimitthepressurefromthehandpump.Toprotectthesystemagainstoverpressure.Tolimitthermalexpansionofthehydraulicfluid.19、Whathappenswhenthefilterofthefillingcircuitisclogged？Thefluidbypassedthefilterelement.Thefluidisstopped;fillingisimpossible.Thefillingpressurehastobeincreased.CHAPTER4FLIGHTCONTROLSSYSTEM1、Whichsurfacesareusedforliftdujping?Allspoilers.Spoiler1to3.Spoilers1to4.2、Whichsurfacesareusedtocontroltheroll?Spoilers1to5.Aileronsandspoiler3to5.Aileronsandspoilers2to5.3、Whichsurfacescanbemechanicallycontrolled?ElevatorsandTHS.AileronsandTHS.RudderandTHS.4、Innormalconditions,whataretheactiveprotectionsinfalremode?Bankangleandstallprotections.Bankangleandhighspeedprotections.Stallprotectiononly.5、Whataretheactiveprotectionsindirectlaw?STALLprotectiononly.Nopreotection.Highspeedpretection.6、Whathappenswhenbothsidesticksaremovedinthesameoroppositedirection?Thesurfacemovementisproportionaltothealgebraicsumofthedeflectionofbothsidesticks.Thesurfacemovementisproportionaltothemovementofthelastsidestickdeflected.Thesurfacemovementisproportionaltothemovementofthefirstsidestickdeflected.7、Howisitpossibletoinhibittheoutputoftheohtersidestick？Bypullingharderthantheotherpilot.Bypressinginthetakeoverpushbutton.Thecaptainisalwaysright.8、Whathappensifthetakeoverpushbuttonofonesidestickispressedinformorethan40seconds?Theothersidestickremainsdeactivatedafterthetakeoverpushbuttoninreleased.Theothersidestickremainsactivatedafterthetakeoverpushbuttonisreleased.Bothsidesticksaredeactivated.9、Howcanadeactivatedsidestickbereactivated?Byamomentaryactiononthetakeoverpushbuttonofanysidestick.Bypullingthedeactivatedsidestickharderthantheotherpilot.Byasimultaneousactiononbothtakeoverpushbuttons.10、TheelevatorandtheTHSarenormallycontrolledbyELAC2.WhathappensifELAC2FAILS?PitchcontrolisautomaticallytransferredtoELAC1.PitchcontrolisautomaticallytransferredtoSEC1andSEC2.Pitchcontrolislost.11、Whathappensifanelectrictrimmotorfails?THSelectrictrimislost.THStrimsathalfspeed.THSelectrictrimisfullyavailbable.12、Howmanyhydraulicsystemspowertherudder?One.Two.Three.13、Whichsignalscauserudderpedalmovements?Yawdampingsignals.Ruddertrimsignals.Turncoordinationsignals.14、Whichcomputerscontroltheruddertrimactuatorinmanualmode?THEFMGCSONLY.THEFACSONLY.THEFMGCSANDTHEFACS.15、whathappenswhenthesumofrollandspeedbrakecommandsexceedsthemaximumpossibledeflectionofaspoiler?Thespeedbrakefunctionisinhibited.Allspoilersreceiveanadditionaldeploymentorderuntilonereachesitsmaximumpossibledeflection.Thesysmmertricalsurfaceisretracteduntilthedifferencebetweenthetwosurfacesisequaltotherollorder.16、Whatarethenecessaryconditionsforgroundspoilerpreselection?Groundspoilersarmedandboththrottlesatidleoronethrottleatreverseandtheotheroneatnotmorethanidle.Groundspoilernotarmedandboththrottlesatidle.Boththrottlesatidleonly.17、Whataretheconseque3ncesofoneflapPCUmotorinoperative?Noconsequence.Themovementoftheflapsurfacesisnotaffected.Thesystemislockedandflapmovementisnolongerpossible.Theflapsurfacesextendathalfspeed.18、Whathappenwhenslats/flapsconfigurationis1+FandtheCASreaches210knots?Flapsretractautomaticallyto0andthenewslats/flapsconfigurationis1.Flapsextendautomaticallybecausethespeedistoohigh.ThealphalockfunctionengagedbecausetheCASistoohigh.CHAPTER5LANDIGGEARSYSTEM1、Whichhydraulicsystempowersnormallandinggearoperation?Greensystem.Bluesystem.Yellowsystem.2、Whichhydraulicsystempowerthenosewheelstering?Greensystem.BluesystemYellowsystem.3、Whatcontrolsthelandinggearnormaloperatingsequence?EitherLGCIUinturn.BothLGCIUSsimultaneously.Thecrankhandle.4、WhichunitgivesthelandinggearpositiontoECAM

display、EitherLGCIUinturn.BothLGCIUSsimultaneously.LGCIU1only.5、WhendoestheautomaticchangeoveroftheLGCIUsincontroloccur?Whendownisselected.Whenupisselected.Whenthefirstenginestarts.6、WhendoestheUNLKlightcomeon?Whenthegearandtherelateddoorsarenotlockedup.Whenthegearisnotlockedintheselectedposition.Whenthegearisnolockedintheselectedposition.7、Whatisthenormalretractionsequence、Dooropen,gearup,doorclose,cancelgearupsignal.Dooropen,gearup,doorclose,maintaingearupsignal.Dooropen,gearup,doorclose,canceldoorclosesignal.8、Beforethelandinggearcanberetracted,whatmustthe

LGCIUdetect?Threeshockabsorbersextended.Thereshockabsorberscompressed.Onlyoneshockabsorberextended.9、Whenisthehydrauliccircuitdepressurizedafterretraction?Assoonastheselectorleverismovedtoneutral.Assoonastheairspeedismovedtoneutral.Assoonasthelastdoorisclosed.10、Whathappenswhenthegravityextensioncrankhandle

isratrted?Thecut-outandventvalvesoperte.Thesafetyandventvalvesoperate.Thesafetyandventvalvesoperate.11、Whichhydraulicsystempowernormalbraking、Greensystem.Yellowsystem.Bluesystem.12、Howisinflightbrakinginitiated?Bysettingthelandinglevertotheuppositon.Byshockabsorberexctension.Byautobrakedeactivation.13、Incaseofnormalbrakingsystemfailure,howisalternatebrakingapplied?Automaticallywhentheselectorvalveisde-energized.Automaticallythroughtheautomaticselector.Assoonasthebrakepedalsarepressedin.14、Howcantheparkingbrakebehydraulicallypowered?Onlybyyellowhighpressure.Onlybythebrakeaccumulator.Eitherbyyellowhighpressureorbythebrakeaccumulator.15、Whatisthemaximumnosewheelsteeringangleobtainedbythehandwheels?6749516、Isnosewheelsteeringavailableafteralandinggeargravityextension、Yes.No.17、Whatisthepurposeoftheaccumulator?Tocompensateacompletepressurelose.Todampenrapidmovement.Tosupplyhydraulicpressureincaseofcavitation.18、Whatisthepurposeofthebypassvalve、Tointerconnectthetwochambersofthesteeringactuator.Toapplyhydraulicpressuretotheservovalve.TobypasstheservovalveincaseofBSCUfailure.19、Whataretheadjustablediaphragmsusedfor?Toensureselfcenteringofthenosegear.Toadjustthenosewheelsteeringspeed.Toadjusttherateofdepressurizationinthehydraulicblock.20、Whereisthetirepressureindicationdisplayed、onatireandbrakeindicator.OnECAM.Noindication.21、Whatsignalisdeliveredbythepressuretransducer、ADCsignalwhichdependsonthetirepressure.Afrequencysignalwhichdependsonthetirepressure.Apneumaticsignalequaltothetirepressure.22、Whatistherotatingmechanismusedfor?Tochangethepressurevoltageintoafrequencysignal.Totransmitthetirepressuresignalfromthewheeltotheaxle.Toperformthepermanenttestofthesystem.CHAPTER6PNEUMATICSYSTEM1、DoestheAPUbleedvalveopeninghavepriorityovertheenginebleedvalvesopening、yes.No.2、WhatisthepurposeofIP/HPswitching>Toregulatetheoutputpressure,dependingonfanairvalveposition.Tokeepairbleedatasufficientpressureatlowenginespeed.Toregulatetheoutputtemperature,dependingontheconfigurationofusers.3、WhatisthepurposeoftheCTS?TosendapneumaticsignaltotheOPV,incaseofvoerpressure.Tosendapneumaticsignaltoregulateorshut-offthePRV.4、WhatisthepurposeoftheCT?TosendapneumaticsignaltocontroltheFAV.TosendapneumaticsignaltotheOPViscaseofoverpressure.TosendapneumaticsignaltocontrolthePRV.5、WiththeX-BLEEDselectoratautoandairsuppliedbyENG1ONLY,theX-BLEEDvalve：Doesnotreceiveanyorder.Isautomaticallycontrolledtoopen.Iscontrolledtoclose.6、HowdoestheGARRETAPUbleedvalveoperate?Asanregulatingvalve.AsanON/OFFvalve.AandB.7、HowdoestheAPICAPUBLEEDvalveoperate?Pneumatically.Fueloperated.8、Whichofthefollowingaremaintainedbyadoubleloopdetectionsystem?TheLHandRHwingducts,packsandmidfuselageAPUduct.Thepylon.AandB.9、WhathappensincaseofBMC1failure?BMC2ensuresthecompleteleakdetection.-BMC2ensuresitswingleakdetection.Theleakdetectioniscompletelylost.CHAPTER7AIRCONDFITIONGSYSTEM1、Whatisthepurpo9seofthepack?Toregulatehotairpressure.Toadjustthetemperatureinthethreezones.Toregulatebasictempture.2、Whatisthefunctionofeachpackcontroller?Tocontrolthecorrespondingpackandflowcontrolvalve.Tocontrolthetrimairvalves.Tocontrolthezonecontroller.3、Whatisthepurposeofthezonecontroller?Tocontrolzonetemperature.Tocontroltheflowcontrolvalves.Tocontrolthepack.4、Howisthebasictemperatureregulatedbythezone

controller？Byusingthelowestzonetemperaturedemand.Byusingthetemperaturedemandedinthethreezones.Byusingthehighestzonetemperaturedemand.5、Whatisthefunctionofthetrimairvalve?Tooptimizethezonetemperaturebyaddingcoldair.Tooptimizethezonetemperaturebyaddinghotair.Toregulatethehotairpressure.6、Whatisthemainpurposeoftheanti-icevalve?Tostopiceformationacrosstheprimaryheatexchanger.Tostopiceformationacrossthemainheatexchanger.Tostopiceformationacrossthepackcondenser.7、Whatispurposeofthebypassvalve?Toreducetheairflowtothecompressorstage.Tomodulatethepackdischargetemperature.Toincreasetheairflowtotheturbinestage.8、WhatisthepurposeoftheRAMairinletflap?Toensurecabinventilationincasebothpacksfail.Toprovideairtothepackcompressor.Tomodulatethemainairflowthroughtheheatexchangers.9、WhatflowisdeliveredbythepackwiththePACKFLOWselectoronLOandbleedairsuppliedbytheAPU?LowNormal.High.10、WhathappenswhentheRAMAIRpushbuttonissettoon?Theramairinletflapsoftheairconditioningpacksopen.Theramairinletflapsoftheairconditioningpacksclose.Theemergencyramairinletflapopens.11、Howistheflowcontrolvalveactuated?Bymeansofasteppermotor.Bymeansofatoquemotor.BymeansofanACelectricalmotor.12、Ifthepackcontrollerfails,thepackoutlettemperature

iscontrolledby:Theflowcontrolvalve.Thebypassvalve.Theanti-icevalve.13、Whichsensorpneumaticallyclosedtheflowcontrolvalveincaseofpackoverheat?Thebleedtemperaturesensor.Thecompressoroverheatsensor.Thecompressorpneumaticoverheatsensor.14、Whichsensormaysignalpackoverheattothepack

conrtroller?Thecompressoroverheatsensor.Thecompressortemperaturesensor.AorB.15、Ifaductoverheatisdetected:Themixerunitflapcloses.ThePRVandtheTAVSclose.ThePRVandthecorrespondingTAVclose.16、Themixerunitflapopensif:HOTAIRPBISSETTOOFF.PACK2PBISSETTOOFF.PACK1PBISSETTOOFF.17、Whatisthenumberofoutflowvalvesandsafetyvalves:Oneoutflowvalveandonesafetyvalve.Oneoutflowvalveandtwosafetyvalves.Twooutflowvalvesandtwosafetyvalves.18、Whathappenswhenmanualmodeisused?Thesystemcontinuestooperateautomatically.Theoutflowvalvecanbemanuallycontrolledtoadjustthecabinaltitude.Thesafetyvalvesopen.19、Whatisthepurposeofthesafetyvalves?Toavoidnegativedifferentialpressure.Toreplacetheoutflowvalves.Topreventexcessivepositiveandnegativedifferentialpressure.20、Whichmotoriscontrolledfromthecabinpressure

panel.Motor3Motor2and1.Motor1.21、Whatisthemaximumnormalcabinaltitudeformaximumcruiselevel(39000ft)?8000ft.9550ft.11300ft.22、Wheredoyoucheckthecorrectmanuallanding

elevationsetting?OnthescaleofLDGELEVswitchselector.OntheECAMCABPRESSpage.Noneedbecauseitisautomatic.23、WhathappeniftheMODESELECTORsettoMANANDTHEDITCHINGpushbuttonitseton?Theoutflowvalve,emergencyramairinlet,avionicsventilationandpackflowcontrolvalvesclose.Onlytheoutflowvalvecloses.Onlytheoutflowvalveisnotautomaticallycontrolledtoclose.24、WheredoestheLAVandGALLEYSventilationaircomefrom?Fromcabindistributionducts.Frompack1.Frompack2.25、Whatisthepurposeoftheavionicsequipmentventilationcomputer.Fromcabindistributionducts.Frompack1.Frompack2.26、Whatisthepurposeoftheavionicsventilationsystem

intheavionicsbay？Toventilatetheavionicsbay.Toensuretheheatingoftheavionicsbay.Toavoidavionicsbaystructuraldamage.27、HowistheFWDcargocompartmentventilaged?Withavionicsbayambientair.Withaircomingdirectlyfromthepackoutlet.Withcabinambientair.28、Whendoestheskinexchangerinletbypassvalveopen?Inopencircuitconfiguration.Inpartiallyopencircuitconfiguration,orinclosedcircuitconfigurationwithairflowhigherthantherequestedvalue.Whentheambientavionicsbaytemperatureabove34°C.29、Whendoestheskinheatexchangeroperateontheground?Whenthecircuitoperatesinopencircuitconfiguration.Inclosedcircuitconfigurationwhentheskintemperatureisbelow11°C.Inclosedcircuitconfigurationwhentheskintemperatureisabove11°C.30、TheHOTAIRpushbuttonswitchcontrolsthe:Blowerfan.Aftcargodoor.Pressureregulatingvalve.CHAPTER8FUELSYSTEM1、Whichtanksarethemainsupplytanks?Centertankandinnercells.Centertank.Outercells.2、Thefuelquantityindicatingsystemcomprises:TWOFQICSANDTWOFLSCUS.ONEFQICANDTWOFLSUCUS.ONEFQICANDONEFLSCU.3、Whatisthemaximumtotalfuelcapacity?41291lbs45920lbs52174lbs.4、Arewingtankpumpsrunningwhilecentertankissupplying?Yes.Wingtakpumpsarealwaysrunning.No,onlywhencentertankisempty.No,becauseofcentertankpumppriority.5、TheengineLPvalvecloseswhen:Thefuelboosterpumpspressuredecreases.Theengineisshutdownortheenginefirepushbuttonisreleasedout.Theenginefiredetectionsystemsensesanenginefire.6、Whenthereisalowlevelinoneinnercell：Oneintercelltransfervalveopen.Twotransfervalvesinonewing,open.Twotransfervalves,oneineachwing,open.7、Whathappensifyouextendtheslatsinflight,whichfuelinthecentertank,AUTOmodeselected?Centertankpumpsstart.Centertankpumpsstop.Centertankpumpsstayastheyare.8、Whathappenonground,slatextended,inAUTOmode

withfuelinthecentertank,andoneminuteafter

enginesstart?Centertankpumpsarerunning.Centertankpumpsarestopped.Thewingtankpumpsarestopped.9、WhatdoestheMODESELpushbuttoncontrol.Centerandwingtankpumps.Centertankpumpsonly.Wingtankpumpsonly.10、Whenthecentertankisempty,inAUTOMODE,center

tankpump:MustbemanuallyswitchedOFF.Stopautomaticallyandwingtankpumpsstartrunning.Stopautomatically.11、Anexcesspressureintheinnercellisrelievedviaanoverpressureprotector:Intotheoutercell.Intothecentertank.Overboard.12、Theventfloatvalves:Preventfuelfromenteringtheventlines.Allowfueltodrainfromtheventlines.Maintainthefueltankspressurized.13、Towhichtankdoestherecirculatedfuelreturn?Wingtankoutercell;CentertankWingtankinnercell.14、Whathappensifthefuellevelintheinnercelldropsto

thelowlevelsensor？Thefuelreturnvalvecloses.Thefuelreturnvalveopens.Thecentertankpumpsstart.15、Innormaloperation,whichtankwillbeemptiedfist?Theinnercell.Thecentertank.Theoutercell.16、Thebypasssuctionvalveisinoperation,therefore:Thetwowingtankpumpsareinoperation.Onlyonewingtankpumpsuppliesitsassociatedengine.Bothpumpsarestopped.17、Onground,theenginesarestopped,howdoyouclosetheLPvalve.ByreleasingouttheENGFIREP/B.ByremovingelectricalpowerfromA/C.Thevalveisalreadyclosed.18、ThefunctionoftheAPUfuelpumppressureswitchis:TosignalanypressuretotheECAM.Tocontrolthepumpoperation.ToshuttheAPULPvalveincaseofire.19、HowmanymotorsdoestheAPULPvalvehave?OneDCmotor.TwoDCmotor,Towmotor,oneDCandoneAC.20、Theinnercellisrefuelledonlywhen:Centertankisfull.Outercellisfull.Outercellisempty.21、Refuelvalvesmaybeactuated:Electricallyonly.Manuallyonly.Electricallyormanually.22、Hoeistherefuelvalvenormallyopened？Byenergizationofasolenoidandapplicationoffuelpressure.Onlybypressinginthemanualcommandbutton.Onlybyopeningthepaneldoorandapplicationofpressureorsuction.23、Whenperformingarefuel,defuelorgroundtransfer,theR/Delectricalcircuitsareenabledby?Powerfromtheaircraftelectricalnetworkonly.Carryingoutthehighleveltest.Contractofthepaneldoorpositionrelay.24、Whatisthepurposeofthefueldrainvalve?TodecreasethefuelflowintheR/Dgallery.ToavoidareverseflowtotheR/Dgallery.TodrainremainingfuelfromtheR/Dgallery.25、Aremainpumprunningwhilecentertankistransferring?Yes,mainpumpsarealwaysrunning.No,onlywhencentertankisempty.No,becauseofcentertankpumppriority.26、TheengineLPvalvecloseswhen:Thefuelboosterpumppressuredecreases.TheengineisshutdownortheENGFIREpushbuttonisreleasedout.Theenginefiredetectionsystemdetectsanenginefire27、TheAPUcannormallybesuppliedwithfuelby:OnlytheAPUpump.OnlytheLHmainpumps.LHmainpumpsorAPUfuelpump.CHAPTER9APU(GARRETT)1、WhatisthemainfunctionoftheAPU?Toproduceindependentpneumaticandhydraulicpower.Toproduceindependentpneumaticandelectricalpower.Toproduceindependentelectricalandhydraulicpower.2、WhichcomponentcontrolsandmonitorstheAPU?Theelectroniccontrolbox.Thefuelcontrolunit.TheIGVcontrolunit.3、Theelectroniccontrolboxhas:RestrictedauthorityoverAPUoperation.OnlyAPUmonitoringfuncti