ATPL網(wǎng)上題庫飛行原理

4，飛行原理(1)Howcanthestabilityoftheatmospherebedetermined?A．Ambienttemperaturelapserate.B．Atmosphericpressureatvariouslevels.C．Surfacetemperature/dewpointspread.正確答案：A(2)____preventsairflowingdirectlyfromthehighpressureareatolowpressureareawhenairmovesinaleveldirection.A．Frictionforce.B．Inertialcentrifugalforce.C．Coriolisdeflectingforce.正確答案：C(3)Onepurposeofhigh-liftdevicesistoA．increasetheloadfactor.B．delaystall.C．increaseairspeed.正確答案：B(4)Theprimarypurposeofhigh-liftdevicesistoincreasetheA．L/Dmax.B．Liftatlowspeeds.C．Dragandreduceairspeed.正確答案：B(5)AirflowseparationoverthewingcanbedelayedbyusingvortexgeneratorsA．directinghighpressureairoverthetopofthewingorflapthroughslotsandmakingthewingsurfacesmooth.B．directingasuctionoverthetopofthewingorflapthroughslotsandmakingthewingsurfacesmooth.C．makingthewingsurfaceroughand/ordirectinghighpressureairoverthetopofthewingorflapthroughslots.正確答案：C(6)Describedynamiclongitudinalstability.A．Motionaboutthelongitudinal.B．Motionaboutthelateralaxis.C．Motionabouttheverticalaxis.正確答案：B(7)Identifythetypestabilityiftheaircraftattituderemainsinnewpositionafterthecontrolshavebeenneutralized.A．NegativelongitudinalstaticstabilityB．NeutrallongitudinaldynamicstabilityC．Neutrallongitudinalstaticstability正確答案：C(8)Identifythetypestabilityiftheaircraftattitudetendstomovefartherfromitsoriginalpositionafterthecontrolshavebeenneutralized.A．NegativestaticstabilityB．PositivestaticstabilityC．Negativedynamicstability正確答案：A(9)Identifythetypestabilityiftheaircraftattitudetendstoreturntoitsoriginalafterthecontrolshavebeenneutralized.A．Positivedynamicstability.B．Positivestaticstability.C．Neutraldynamicstability.正確答案：B(10)Whatisacharacteristicoflongitudinalinstability?A．Pitchoscillationsbecomingprogressivelygreater.B．Bankoscillationsbecomingprogressivelygreater.C．Aircraftconstantlytriestopitchdown.正確答案：A(11)Iftheairplaneattituderemainsinanewpositionaftertheelevatorcontrolispressedforwardandreleased,theairplanedisplaysA．neutrallongitudinalstaticstability.B．positivelongitudinalstaticstability.C．neutrallongitudinaldynamicstability.正確答案：A(12)Whichistrueregardingtheforcesactingonanaircraftinasteady-statedescent?A．Thesumofallupwardforcesislessthanthesumofalldownwardforces.B．Thesumofallrearwardforcesisgreaterthanthesumofallforces.C．Thesumofallforwardforcesisequaltothesumofallrearwardforces.正確答案：C(13)WhatperformanceischaracteristicofflightatmaximumL/Dinapropeller-drivenairplane?A．Maximumrangeanddistanceglide.B．Bestangleofclimb．C．Maximumendurance.正確答案：A(14)WhatistheeffectontotaldragofanaircraftiftheairspeeddecreasesinlevelflightbelowthatspeedformaximumL/D?A．Dragincreasesbecauseofincreasedinduceddrag.B．Dragincreasesbecauseofincreasedparasitedrag.C．Dragdecreasesbecauseoflowerinduceddrag.正確答案：A(15)Whatistherelationshipbetweeninducedandparasitedragwhenthegrossweightisincreased?A．parasitedragincreasesmorethaninduceddragB．induceddragincreasesmorethanparasitedragC．bothparasiteandinduceddragareequallyincreased正確答案：B(16)Whattrueairspeedandangleofattackshouldbeusedtogeneratethesameamountofliftasaltitudeisincreased?A．ThesametrueairspeedandangleofattackB．AhighertrueairspeedforanygivenangleofattackC．Alowertrueairspeedandhigherangleofattack正確答案：B(17)Whatwillbetheratiobetweenairspeedandliftiftheangleofattackandotherfactorsremainconstantandairspeedisdoubled?LiftwillbeA．Thesame.B．Twotimesgreater.C．Fourtimesgreater.正確答案：C(18)Whyisitnecessarytoincreasebackelevatorpressuretomaintainaltitudeduringaturn?TocompensatefortheA．lossoftheverticalcomponentofliftB．lossofthehorizontalcomponentofliftandtheincreaseincentrifugalforceC．rudderdeflectionandslightoppositeaileronthroughouttheturn正確答案：A(19)Atwhichspeedwillincreasingthepitchattitudecauseanairplanetoclimb?A．Lowspeed.B．Highspeed.C．Anyspeed.正確答案：B(20)Ifnocorrectiveactionistakenbythepilotasangleofbankisincreased,howistheverticalcomponentofliftandsinkrateaffected?A．Liftincreasesandthesinkrateincreases.B．Liftdecreasesandthesinkratedecreases.C．Liftdecreasesandthesinkrateincreases.正確答案：C(21)Ifsevereturbulenceisencountered,whichprocedureisrecommended?Maintainaconstantaltitude.Maintainaconstantattitude.Maintainconstantairspeedandaltitude.正確答案：B【解析】遇到劇烈顛簸，如雷暴中如試圖保持某一高度幾乎是不可能的，而且這樣做會增加機體的壓力。這時應(yīng)允許飛機隨氣流升降并保持飛機的姿態(tài)，這樣機體承受的壓力將是最小的。(22)Howcananairplaneproducethesameliftingroundeffectaswhenoutofgroundeffect?A．Thesameangleofattack.B．Alowerangleofattack.C．Ahigherangleofattack.正確答案：B(23)Whatisapurposeofflightspoilers?A．Increasethecamberofthewing.B．Reduceliftwithoutincreasingairspeed.C．Directairflowoverthetopofthewingathighanglesofattack.正確答案：B(24)Forwhichpurposemayflightspoilersbeused?A．Reducethewings'liftuponlanding.B．Increasetherateofdescentwithoutincreasingaerodynamicdrag.C．Aidinlongitudinalbalancewhenrollinganairplaneintoaturn.正確答案：A(25)WhichisapurposeofgroundspoilersA．ReducethewingsliftuponlandingB．Aidinrollinganairplaneintoturn.C．Increasetherateofdescentwithoutgainingairspeed.正確答案：A(26)Whatisthepurposeofacontroltab?A．Movetheflightcontrolsintheeventofmanualreversion.B．Reducecontrolforcesbydeflectingintheproperdirectiontomoveaprimaryflightcontrol.C．Preventacontrolsurfacefrommovingtoafull-deflectionpositionduetoaerodynamicforces.正確答案：A(27)Whichisapurposeofwing-mountedvortexgenerators?A．ReducethedragcausedbysupersonicflowoverportionsofthewingB．IncreasetheonsetofdragdivergenceandaidinaileroneffectivenessathighspeedC．Breaktheairflowoverthewingsothestallwillprogressfromtherootouttothetipofthewing正確答案：A(28)Whatisthepurposeofaservotab？A．Movetheflightcontrolsintheeventofmanualreversion.B．Reducecontrolforcesbydeflectingintheproperdirectiontomoveaprimaryflightcontrol.C．Preventacontrolsurfacefrommovingtoafull-deflectionpositionduetoaerodynamicforces.正確答案：B(29)Whatisthepurposeofanelevatortrimtab?A．Providehorizontalbalanceasairspeedisincreasedtoallowhands-offflight.B．Adjustthespeedtailloadfordifferentairspeedsinflightallowingneutralcontrolforces.C．Modifythedownwardtailloadforvariousairspeedsinflighteliminatingflight-controlpressures.正確答案：C(30)Whichdirectionfromtheprimarycontrolsurfacedoesaservotabmove?A．Samedirection.B．Oppositedirection.C．Remainsfixedforallpositions.正確答案：B(31)Whichdirectionfromtheprimarycontrolsurfacedoesananti-servotabmove?A．Samedirection.B．Oppositedirection.C．Remainsfixedforallpositions.正確答案：A(32)Whichdirectionfromtheprimarycontrolsurfacedoesanelevatoradjustabletrimtabmovewhenthecontrolsurfaceismoved?A．Samedirection.B．Oppositedirection.C．Remainsfixedforallpositions.正確答案：C(33)Whatisthereasonforvariationsingeometricpitchalongapropellerorrotorblade?A．Itpermitsarelativelyconstantangleofattackalongitslengthwhenincruisingflight.B．Itpreventstheportionofthebladenearthehuborrootfromstallingduringcruisingflight.C．Itpermitsarelativelyconstantangleofincidencealongitslengthwhenincruisingflight.正確答案：A(34)Whichflightconditionsofalargejetairplanecreatethemostsevereflighthazardbygeneratingwingtipvorticesofthegreateststrength?A．Heavy,slow,gearandflapsup.B．Heavy,slow,gearandflapsdown.C．Heavy,fast,gearandflapsdown.正確答案：A(35)WingtipvorticescreatedbylargeaircrafttendtoA．Sinkbelowtheaircraftgeneratingtheturbulence.B．Risefromthesurfacetotrafficpatternaltitude.C．Accumulateandremainforaperiodoftimeatthepointwherethetakeoffrollbegan.正確答案：A(36)Whichstatementistrueconcerningthewaketurbulenceproducedbyalargetransportaircraft?A．Vorticescanbeavoidedbyflying300feetbelowandbehindtheflightpathofthegeneratingaircraft.B．Thevortexcharacteristicsofanygivenaircraftmaybealteredbyextendingtheflapsorchangingthespeed.C．Waketurbulencebehindapropeller-drivenaircraftisnegligiblebecausejetenginethrustisanecessaryfactorintheformationofvortices.正確答案：B(37)Ifyoutakeoffbehindaheavyjetthathasjustlanded,youshouldplantoliftoffA．priortothepointwherethejettoucheddown.B．beyondthepointwherethejettoucheddown.C．a(chǎn)tthepointwherethejettoucheddownandontheupwindedgeoftherunway.正確答案：B(38)Howdoesthewaketurbulencevortexcirculatearoundeachwingtip?A．Inward,upward,andaroundthewingtip.B．Counterclockwisewhenviewedfrombehindtheaircraft.C．Outward,upward,andaroundthewingtip.正確答案：C(39)HazardousvortexturbulencethatmightbeencounteredbehindlargeaircraftiscreatedonlywhenthataircraftisA．DevelopingliftB．OperatingathighairspeedsC．Usinghighpowersettings正確答案：A(40)ItistheresponsibilityofthepilotandcrewtoreportanearmidaircollisionasaresultofproximityofatleastA．500feetorlesstoanotheraircraft.B．50feetorlesstoanotheraircraft.C．1,000feetorlesstoanotheraircraft.正確答案：A(41)Toallowpilotsofin-traillighteraircraftmakeflightpathadjustmentstoavoidwaketurbulence,pilotsofheavyandlargejetaircraftshouldflyA．belowtheestablishedglidepathandslightlytoeithersideoftheon-coursecenterline.B．a(chǎn)bovetheestablishedglidepathandslightlydownwindoftheon-coursecenterline.C．ontheestablishedglidepathandontheapproachcoursecenterlineorrunwaycenterlineextended.正確答案：C(42)Howcanthepilotincreasetherateofturnanddecreasetheradiusatthesametime?A．Steepenthebankandincreaseairspeed.B．Steepenthebankanddecreaseairspeed.C．Shallowthebankandincreaseairspeed.正確答案：B43)Howcanturbulentaircauseanincreaseinstallingspeedofanairfoil?A．Anabruptchangeinrelativewind.B．Adecreaseinangleofattack.C．Suddendecreaseinloadfactor.正確答案：A(44)Whatistherelationshipoftherateofturnwiththeradiusofturnwithaconstantangleofbankbutincreasingairspeed?A．Ratewilldecreaseandradiuswillincrease.B．Ratewilldecreaseandradiuswilldecrease.C．Rateandradiuswillincrease.正確答案：A(45)WhichconditionwouldINITIALLYcausetheindicatedairspeedandpitchtoincreaseandsinkratetodecrease?A．Suddenincreaseinaheadwindcomponent.B．Suddendecreaseinaheadwindcomponent.C．Tailwindwhichsuddenlyincreaseinvelocity.正確答案：A(46)WhichofthefollowingisnotthewayofincreasingMCRITinjettransportdesigns?A．Givethewingalowercamber.B．Increasewingsweep.C．Addslats.正確答案：C(47)WithinwhatMachrangedoestransonicflightregimesusuallyoccur?A．0.50to0.75MachB．0.75to1.20MachC．1.20to2.50Mach正確答案：B(48)AtwhatMachrangedoesthesubsonicflightrangenormallyoccur?A．Below.75Mach.B．From.75to1.20Mach.C．From1.20to2.50Mach.正確答案：A(49)Whatisthefreestreammachnumberwhichproducefirstoflocalsonicflow?A．supersonicMachnumberB．transonicMachnumberC．criticalMachnumber正確答案：C(50)Whatisthehighestspeedpossiblewithoutsupersonicflowoverthewing?A．criticalMachnumberB．initialbuffetspeedC．transonicindex正確答案：A(51)Whichmaximumrangefactordecreaseasweightdecrease?A．Airspeed.B．Angleofattack.C．Altitude.正確答案：A(52)Whichmaximumrangefactorincreasesasweightdecreases?A．Angleofattack.B．Altitude.C．Airspeed.正確答案：B(53)Whatshouldapilotdotomaintain"bestrange"airplaneperformancewhenaheadwindisencountered?A．Increasespeed.B．Maintainspeed.C．Decreasespeed.正確答案：A(54)Whatshouldapilotdotomaintain"bestrange"airplaneperformancewhenatailwindisencountered?A．Increasespeed.B．Maintainspeed.C．Decreasespeed.正確答案：C(55)Whichprocedureproducestheminimumfuelconsumptionforagivenlegofthecruiseflight?A．Increasealtitudeforaheadwind,decreasealtitudeforatailwind.B．Increasespeedforatailwind.C．Increasespeedforaheadwind.正確答案：C(56)Atwhatspeed,withreferencetoL/DMAX,doesmaximumrangeforajetairplaneoccur?A．AspeedlessthanthatforL/DMAX.B．AspeedequaltothatforL/DMAX.C．AspeedgreaterthanthatforL/DMAX.正確答案：C(57)Maximumrangeperformanceofaturbojetaircraftisobtainedbywhichprocedureasaircraftweightreduces?A．Increasingspeedoraltitude.B．Increasingaltitudeordecreasingspeed.C．Increasingspeedordecreasingaltitude.正確答案：B(58)Underwhatconditionshouldstallsneverbepracticedinatwin-engineairplane?A．withoneengineinoperativeB．withfullflapsandgearextendedC．withclimbpoweron正確答案：A(59)V2orinitialclimbspeedmustnotbeA．MorethanthetakeoffsafetyspeedB．Lessthan1.2VS1C．Morethan1.1MAC正確答案：B(60)V2orrotationspeedmustnotbeA．LessthanV1B．MorethanVMCAC．LessthanVMCG+20kts正確答案：A(61)Atwhatspeedwilldynamichydroplaningbeginiftirehaspressure70?A．75knotsB．85knotsC．80knots正確答案：A(62)AslargejettransportaircraftclimbsaboveFL340asfuelburnsoff,theIASturbulencepenetrationspeedwillA．Increase.B．Decrease.C．Remainthesame.正確答案：B(63)InrelationtotakeoffperformanceV1isthespeedbywhichA．a(chǎn)decisionhasbeenmadeB．retardationactionistakenC．a(chǎn)marginof10%existsoverVMCG正確答案：A(64)Whensettingthealtimeter,pilotshoulddisregardA．correctionsforstaticpressuresystems.B．effectsofnonstandardatmospherictemperaturesandpressures.C．correctionsforinstrumenterror.正確答案：B(65)Inenrouteflight,thealtimetersettingisA．QNEB．QNHC．QFE正確答案：A(66)Whateffect,ifany,doesaltitudehaveonVMCforanairplanewithunsuperchargedengines?DecreaseswithaltitudeNoneIncreaseswithaltitude正確答案：A(67)IftheambienttemperatureiscolderthanstandardatFL310,whatistherelationshipbetweentruealtitudeandpressurealtitude?A．Theyareboththesame31,000feet.B．Truealtitudeislowerthan31,000feet.C．Pressurealtitudeislowerthantruealtitude.正確答案：B(68)Whataffectsindicatedstallspeed?A．Weight,loadfactor,andpower.B．Loadfactor,angleofattack,andpower.C．Angleofattack,weight,andairspeed.正確答案：A(69)Whatismovementofthecenterpressurewhenthewingtipsofasweptwingairplaneareshock-stalledfirst?A．inwardandaftB．inwardandforwardC．outwardandforward正確答案：B(70)Whatisonedisadvantageofasweptwingdesign?A．Thewingrootstallspriortothewingtipsection.B．Thewingtipsectionstallspriortothewingroot.C．Severepitchdownmomentwhenthecenterofpressureshiftsforward.正確答案：B(71)Whatistheconditionknownaswhengustscauseasweptwing-typeairplanetorollinonedirectionwhileyawingintheother?A．Porpoise.B．Wingover.C．Dutchroll正確答案：C(72)Whatistheprincipaladvantageofasweepbackdesignwingoverastraightwingdesign?A．ThecriticalMachnumberwillincreasesignificantly.B．Sweepbackwillincreasechangesinthemagnitudeofforcecoefficientsduetocompressibility.C．Sweepbackwillacceleratetheonsetofcompressibilityeffect.正確答案：A(74)Whichofthefollowingareconsideredprimaryflightcontrols?A．Tabs.B．Flaps.C．Outboardailerons.正確答案：C(75)Whichofthefollowingisconsideredaprimaryflightcontrol?A．SlatsB．ElevatorC．Dorsalfin正確答案：B(76)Whichofthefollowingisconsideredanauxiliaryflightcontrol?A．Upperrudder.B．Leading-edgeflaps.C．Ruddervator.正確答案：B(77)Whenareoutboardaileronsnormallyused?A．Low-speedflightonly.B．High-speedflightonly.C．Low-speedandhigh-speedflight.正確答案：A(78)Whenareinboardaileronsnormallyused?A．Low-speedflightonly.B．High-speedflightonly.C．Low-speedandhigh-speedflight.正確答案：C(79)Bychangingtheangleofattackofawing,thepilotcancontroltheairplane'sA．lift,grossweight,anddrag.B．lift,airspeed,anddrag.C．liftandairspeed,butnotdrag.正確答案：B80)Whydosomeairplanesequippedwithinboard/outboardaileronsusetheoutboardsforslowflightonly?A．Increasedsurfaceareaprovidesgreatercontrollabilitywithflapextension.B．Aerodynamicloadsontheoutboardaileronstendtotwistthewingtipsathighspeeds.C．Lockingouttheoutboardaileronsinhigh-speedflightprovidesvariableflightcontrolfeel.正確答案：B(81)Whatistheprimaryfunctionoftheleadingedgeflapsinlandingconfigurationduringtheflarebeforetouchdown?A．preventflowseparation.B．decreaserateofsink.C．increaseprofiledrag.正確答案：A(82)Whichisapurposeofleading-edgeslatsonhigh-performancewings?A．Directairfromthelowpressureareaundertheleadingedgealongthetopofthewing.B．Improveaileroncontrolduringlowanglesofattack.C．Increaseliftatrelativeslowspeeds.正確答案：C(83)Whateffectdoestheleadingedgeslotinthewinghaveonperformance?A．Decreasesprofiledrag.B．Changesthestallingangleofattacktoahigherangle.C．Deceleratestheuppersurfaceboundarylayerair.正確答案：B(84)Whatdoestheblueradiallineontheairspeedindicatorofalight,twin-engineairplanerepresent?A．Maximumsingle-enginerateofclimb．B．Maximumsingle-engineangleofclimb．C．Minimumcontrollableairspeedforsingle-engineoperation.正確答案：A(85)Duringanenroutedescentinafixed-thrustandfixed-pitchattitudeconfiguration,boththeramairinputanddrainholeofthepitotsystembecomecompletelyblockedbyice.Whatairspeedindicationcanbeexpected?A．Increaseinindicatedairspeed.B．Decreaseinindicatedairspeed.C．Indicatedairspeedremainsatthevaluepriortoicing正確答案：B(86)Whatcanapilotexpectifthepitotsystemramairinputanddrainholeareblockedbyice?A．Theairspeedindicatormayactasanaltimeter.B．TheairspeedindicatorwillshowadecreasewithanincreaseinaltitudeC．Noairspeedindicatorchangewilloccurduringclimbsordescents正確答案：A(87)Ifboththeramairinputanddrainholeofthepitotsystemareblockedbyice,whatairspeedindicationcanbeexpected?A．NovariationofindicatedairspeedinlevelflightiflargepowerchangesaremadeB．DecreaseofindicatedairspeedduringaclimbC．Constantindicatedairspeedduringadescent正確答案：A(88)Howwilltheairspeedindicatorreactiftheramairinputtothepitotheadisblockedbyice,butthedrainholeandstaticportarenot?A．Indicationwilldroptozero.B．Indicationwillrisetothetopofthescale.C．Indicationwillremainconstantbutwillincreaseinaclimb.正確答案：A(89)Whichisapurposeoftheleading-edgeflaps？A．Increasethecamberofthewing.B．Reduceliftwithoutincreasingairspeed.C．Directairflowoverthetopofthewingathighanglesofattack.正確答案：A(90)TheKruegerflapextendsfromtheleadingedgeofthewing,increasingitsA．a(chǎn)ngleofattackB．camberC．energy正確答案：B(91)TheuseofahigherflapsettingfortakeoffwillA．Lengthenboththetakeoffrunandthesecondandthirdtakeoffclimbsegments.B．Shortenthetakeoffrunandthesecondbutlengthenthethirdtakeoffclimbsegment.C．Shortenthetakeoffrunbutlengthenthesecondandthirdtakeoffclimbsegments.正確答案：C(92)Whymusttheangleofattackbeincreasedduringaturntomaintainaltitude?A．CompensateforlossofverticalcomponentofliftB．IncreasethehorizontalcomponentofliftequaltotheverticalcomponentC．Compensateforincreaseindrag正確答案：A(93)Toavoidthewingtipvorticesofadepartingjetairplaneduringtakeoff,thepilotshouldA．Liftoffatapointwellpastthejetairplane'sflightpath.B．Climbaboveandstayupwindofthejetairplane'sflightpath.C．Remainbelowtheflightpathofthejetairplane.正確答案：B(94)Whateffectwouldalightcrosswindhaveonthewingtipvorticesgeneratedbyalargeairplanethathasjusttakenoff?A．Theupwindvortexwilltendtoremainontherunwaylongerthanthedownwindvortex.B．Acrosswindwillrapidlydissipatethestrengthofbothvortices.C．Thedownwindvortexwilltendtoremainontherunwaylongerthantheupwindvortex.正確答案：A(95)Whatflightconditionshouldbeexpectedwhenanaircraftleavesgroundeffect?A．Anincreaseininduceddragrequiringahigherangleofattack.B．Adecreaseinparasitedragpermittingalowerangleofattack.C．Anincreaseindynamicstability.正確答案：A(96)Adefinitionoftheterm"viscoushydroplaning"iswhereA．theairplaneridesonstandingwater.B．a(chǎn)filmofmoisturecoversthepaintedorrubber-coatedportionoftherunway.C．thetiresoftheairplaneareactuallyridingonamixtureofsteamandmeltedrubber.正確答案：B(97)Whatisthebestmethodofspeedreductionifhydroplaningisexperiencedonlanding?A．Applyfullmainwheelbrakingonly.B．Applynosewheelandmainwheelbrakingalternatelyandabruptly.C．Applyaerodynamicbrakingtothefullestadvantage.正確答案：C(98)Whichtermdescribesthehydroplaningwhichoccurswhenanairplane'stireiseffectivelyheldoffasmoothrunwaysurfacebysteamgeneratedbyfriction?A．Revertedrubberhydroplaning.B．Dynamichydroplaning.C．Viscoushydroplaning.正確答案：A(99)Atwhatminimumspeed(roundedoff)coulddynamichydroplaningoccuronmaintireshavingapressureof100PSI?A．90knots.B．96knots.C．110knots.正確答案：A(100)Atwhatminimumspeed(roundedoff)coulddynamichydroplaningoccuronmaintireshavingapressureof110PSI?A．90knots.B．95knots.C．100knots.正確答案：B(101)Atwhatminimumspeed(roundedoff)coulddynamichydroplaningoccuronmaintireshavingapressureof121PSI?A．90knots.B．96knots.C．110knots.確答案：B(102)Atwhatminimumspeedwilldynamichydroplaningbeginifatirehasanairpressureof70PSI?75knots.85knots.80knots.正確答案：A(103)Comparedtodynamichydroplaning,atwhatspeeddoesviscoushydroplaningoccurwhenlandingonasmooth,wetrunway?A．Atapproximately2.0timesthespeedthatdynamichydroplaningoccurs.B．Atalowerspeedthandynamichydroplaning.C．Atthesamespeedasdynamichydroplaning.正確答案：B(104)Whateffect,ifany,willlandingatahigher-than-recommendedtouchdownspeedhaveonhydroplaning?A．increaseshydroplaningpotentialregardlessofbrakingB．noeffectonhydroplaning,butincreaseslandingrollC．reduceshydroplaningpotentialifheavybrakingisapplied正確答案：A(105)Testdataindicatethatice,snow,orfrosthavingathicknessandroughnesssimilartomediumorcoarsesandpaperontheleadingedgeanduppersurfaceofawingcanA．reduceliftbyasmuchas40percentandincreasedragby30percent.B．increasedragandreduceliftbyasmuchas40percent.C．reduceliftbyasmuchas30percentandincreasedragby40percent.正確答案：C(106)Theadverseeffectsofice,snow,orfrostonaircraftperformanceandflightcharacteristicsincludedecreasedliftandA．increasedthrust.B．a(chǎn)nincreasedstallspeed.C．a(chǎn)decreasedstallspeed.正確答案：B(107)Whatshouldthedeice/anti-icefluidtemperaturebeduringthelaststepofatwo-phaseprocess?A．HotB．WarmC．Cold正確答案：C(108)Whichprocedureincreasesholdingtimewhendeicing/anti-icinganairplaneusingatwo-stepprocess?A．HeatedType1fluidfollowedbycoldType2fluid.B．ColdType2fluidfollowedbyhotType2fluid.C．HeatedType1or2fluidfollowedbycoldType1fluid.正確答案：A(109)Whichofthefollowingwilldecreasetheholdingtimeduringanti-icingusingatwo-stepprocess?A．ApplyheatedType2fluid.B．Decreasethewatercontent.C．IncreasetheviscosityofType1fluid.正確答案：A(110)Whichisadisadvantageoftheone-stepoverthetwo-stepprocesswhendeicing/anti-icinganairplane?A．Itismorecomplicated.B．Theholdingtimeisincreased.C．Morefluidisusedwiththeone-stepmethodwhenlargedepositsoficeandsnowmustbeflushedoffairplanesurfaces.正確答案：C(111)Snowontopofdeicingoranti-icingfluidsA．neednotbeconsideredasadheringtotheaircraft.B．mustbeconsideredasadheringtotheaircraft.C．mustbeconsideredasadheringtotheaircraft,butasafetakeoffcanbemadeasitwillblowoff.正確答案：B112)FreezingPointDepressant(FPD)fluidsusedfordeicingA．provideiceprotectionduringflight.B．a(chǎn)reintendedtoprovideiceprotectiononthegroundonly.C．ontheground,causenoperformancedegradationduringtakeoff.正確答案：B(113)Anti-icingfluidshouldprovidefreezingpointprotectiontoA．-20°Fambienttemperature.B．+32°Foutsidetemperatureorbelow.C．a(chǎn)freezingpointnogreaterthan20°Fbelowtheambientorairplanesurfacetemperature.正確答案：C(114)Thepurposeofdilatingethyleneglycoldeicingfluidwithwaterinnon-precipitationconditionistoA．raisetheeutecticpointB．Increasetheminimumfreezingpoint(onsetofcrystallization)C．Decreasethefreezepoint正確答案：C(115)WhatistheminimumglycolcontentofType1deicing/anti-icingfluid?A．30percent.B．50percent.C．80percent.正確答案：C(116)Whatistheminimumglycolcontentoftype2deicinganti-icingfluid?A．80percentB．50percentC．30percent正確答案：B(117)FreezingPointDepressant(FPD)fluidsarehighlysolubleinwater;however,A．iceisslowtoabsorbitbutfasttomeltwhenincontactwithFPD.B．iceabsorbsitveryfastbutisslowtomeltwhenincontactwithit.C．iceisslowtoabsorbit,andtomeltwhenincontactwithit.正確答案：C(118)FreezingPointDepressant(FPD)fluidresidueonenginefanorcompressorbladesA．canincreaseperformanceandcausestallsorsurges.B．couldcauseFDPvaporstoentertheaircraftbutwouldhavenoeffectonenginethrustorpower.C．canreduceengineperformanceandcausesurgingand/orcompressorstalls.正確答案：C(119)Whichisaneffectofice,snow,orfrostformationonanairplane?A．Decreasedangleofattackforstalls.B．Decreasedstallspeed.C．Decreasedpitchuptendencies.正確答案：A(120)Whichisaneffectofice,snow,orfrostformationonanairplane?A．Increasedstallspeed.B．Increasedpitchdowntendencies.C．Increasedangleofattackforstalls.正確答案：A(121)BaffleplatesinwingfuelcellspreventFuelcomingfromonetanktoanotherduringturbulentflightOverpressureinthefueltankMovementofthefuel(surging)inthetankduringacceleration/decelerationandinturbulence正確答案：C(122)EnginebleedairissuppliedtotheairgapabovethefuelinthetanksprimarilytoA．warmthefuelB．ensureanadequatesupplyoffuelpressureismaintainedtotheAPUC．preventcavitation正確答案：C(123)Minimumspecificfuelconsump