181道前期真题.docx
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181道前期真题
1.Whichweatherconditionisanexampleofaponfrontalinstablityband?
A.radiationfog
B.frontgense
C.squallline
C.
3.Thehorizontalwindshearcriticalforturbulanceper150milesis
A.18knotsorless
B.greaterthan18knots
C.notafactar
B.
4.ⅢA最低
A.DH50feetandRVR350m
B.RVR300m
RVR200m
C.
5.Bychangingtheangleofattackofawingthepilotcouldcontrol.
A.liftairspeedbutnotdrag
B.liftgrossweightanddrag
C.liftairspeedanddrag
C.
6.Whichoffollowingisconsideredanauxiliaryflightcontrol?
A.Leading-edgeflaps
B.Vppersudder
C.Ruddenator
A.
8.Whateffectdoestheleadingedgeslotinthewinghaveonperformance?
A.Reduceprofilwdrag
B.deceleratesthesuppersurfaceboundarylagerair
C.changesthestallingangleofattackofahigherangle
(C)
9.ESHPofaturbopropengineisameasureof
A.Turbineinlettemperature
B.Shafthorsepowerandjetthrust
C.Propellerthrustonly
B
10.收到clearedforapproach(radarvector)
A.Descendtotheinitialapproachfixaltitude
B.Remainatlastassignedaltitude
C.Descendtominimumvectoraltitude
B
11.Whereisacommonlocationforaninversion?
A.Tropopause
B.Stratosphere
C.Baseofcumulusclouds
(B)
11.Whatisthereasonforvariationsisgeometricpitchalongapropellerorrotorblade?
A.ItpreventstheportionofthebladeneartheHuberrootfromstallingduringcruisingflight
B.Itpermitsarelativelyconstantangleofincidencealongitslengthwhenincruisingflight
C.Itpermitsarelativelyconstantangleofattackalongitslengthwhenincruisingflight
(C)
12.Whichfeatureisassociatedwiththetropopause?
A.Absobiteupperlimitofcouldformation
B.Absenceofwindandturbulence
C.Abruptchargeofandlapserate
(C)
13.Whichmaximumrangefactordecreaseasweighdecrease?
A.Speed
B.Angleofattack
C.Altitude
A
14.Whichspeedsymbolindicatesthemaxoperatinglimitspeedforanairplane?
A.VMO/MMO
B.VLO/MLO
C.VLE
(A)
15.Whattakeoffminimumsarenotprescribedforacivilairport?
What’sthetakeoffminunderIFRfor3engines?
A.1600m
B.800m
C.300ft-800m
B.
16.Uponwhichfactordoeswingloadingduringalevelcoordinatedturninsmoothairdepend?
A.Angleofbank
B.Turnairspeed
C.Rateofturn
(A)
17.Whatisacharacteristicoflongitudinalinstability?
A.Pitchoscillationsbecomingprogressionsgreater
B.Aircraftconstantlytriestopitchdown
C.Bankoscillationsbecomingprogressivelygreater
(A)
18.Whichofthefollowingisconsideredaprimaryflightcontrol?
A.Elevator
B.Dorsalfin
C.Slats
(A)
19.Whichconditionhastheeffectofreducingcriticalenginefailurespeed?
A.Highdensityaltitude
B.Slushontherunwayorinoperativeantiskid
C.Lowgrossweight
(B)
20.Airportnotlistedinaproscribedtake-offweatheranddoesnothavetheminimumtake-of(121部68页)
A.270m-1600m
B.240m-3200m
C.300m-800m
B.
21.酒精作用
A.24小时
B.12小时
C.8小时
C.
22.Whichweatherconditionisdefinedasananticyclone?
A.COL
B.Calm
C.Highpressurearea
C.
23.WhichtypefrontalsystemisnormallycrossedbytheJetstream?
A.Coldfrontandwarmfront
B.Warmfront
C.Occludedfront
C.
24.Whicharcticflyinghazardiscausedwhenacloudlayerofuniformthicknessoverliesasnoworicecoveredsurface
A.Whiteout
B.Blowingsnow
C.Icefog
A
25.Whensettingthealtimeter,pilotshoulddisregard
A.Correctionsforstaticpressuresystems
B.Effectsofnonstandardatmospherictemperaturesandpressures
C.Correctionsforinstrumenterror
(B)
26.EachpilotwhodeviatesfromanATCclearanceinresponsetoATCASadvisoryisexpectedto
A.RequestATCclearanceforthedeviation
B.NotifyATCofthedeviationassoonaspracticable
C.MaintainthecourseandaltituderesultingfromthedeviationasATChasradarcontact
(B)
28.Whatcriteriadeterminewhichengineisthe"critical"engineofatwin-engineairplane?
A.Theonewiththecenterofthrustclosesttothecenterlineofthefuselage.
B.Theonewiththecenterofthrustfarthestfromthecenterlineofthefuselage.
C.Theonedesignatedbythemanufacturer,whichdevelopsmostusablethrust.
A
29.Whenthegrossweightisincreased
A.Induceddragincreasesmorethanparasitedrag
B.Bothparasiteandinduceddragareequallyincreased
C.Parasitedragincreasesmorethaninduceddrag
(A)
30.Whichtypejetstreamcanbeexpectedtocausethegreaterturbulence
A.Ajetstreamassociatedwhitherwideisothermspacing
B.Astraightjetstreamassociatedwithahigh-pressureridge
C.Acurringjetstreamassociatedwithadeeplowpressurethrough
(C)
31Whyaredowndraftsinamaturethunderstormhazardous?
A.Downdraftsbecomewarmerthanthesurroundingairandreverse
B.Downdraftsarekeptcoolbyrain,whichtendstoacceleratethedownwardvelocity
C.Downdraftsconvergetowardacentrallocationunderthestormafterstrikingthesurface
(B)
32.Whattypeweatherchangesistobeexpectedinanareawherefrontolysisisreported?
A.Thefrontalweatherbecomingstronger
B.Thefrontismovingatafusterspeed
C.Thefrontisdissipating
(C)
33.Whensaturatedairmovesdownhill,it’stemperatureincreases
A.Atafasterratethandryairbecauseofthereleaseoflatentheat
B.Ataslowerratethandryairbecausecondersationreleaseheat
C.Ataslowerratethandryairbecausevaporizationusesheat
(C)
34.Whatprocedureisrecommendedforanengine-outapproachandlanding?
A.Thealtitudeandairspeedshouldbeconsiderhigherthannormalthroughouttheapp
B.Theflightpathandproceduresshouldbealmostidenticaltoanormalappandlanding
C.Anormalapproachexceptdonotextendthelandinggearorflapsuntilovertherunwaythreshowd
(B)
35.Whateffectifanywilllandingatahigher-than-recommendedtouchdownspeedhaveonhydroplaning
A.increasehydroplaningpotentialregardlessofbraking
B.noeffectonhydroplaning,butincreaselandingroll
C.reducehydroplaningpotentialifhavingbrakingisapplied
(A)
36.Amicroburstisaverynarrowdowndraftofveryhighspeedwindwithverticalspeedupto(6000feetperminute)
37.Howshouldapilotdescriblebreakaction?
A.00percent,50percent,75or100percent
B.zero-zerofifty-fiftyornormal
C.poormediumorgood
(C)
38.AssumingthatallILScomponentsareoperatingandtherequiredvisualreferencesarenotrequired,themissedapproachshouldbeinitiatedupon
A.Arrivalatthevisualdescentpoint
B.Expirationofthetimelistedontheapproachchartformissedapproach
C.ArrivalattheDHonglideslope
(C)
39.WhendoesATCissueaSTAR?
A.onlywhenATCdeemsitappropriate
B.onlyuponrequestofthepilot
C.onlytohighpriorityflights
(A)
40.Whichatmosphericfactorcausesrapidmovementofsurfacefronts?
A.upperlowlocateddirectlyocerthesurfacelow
B.upperwindsblowingaccrossthefront
C.Thecoldfrontovertakingandliftingthewarmfront
(B)
41.Whichconditionarenecessaryfortheformationofslopefog?
A.Aclearskycalm100%相对湿度
B.层云下雨anda10-25-knotwindmovingtheprecipitationuptheslope
C.Moiststableairbeingmovedovergraduallyrisinggroundbyawind
(C)
42.frostmostlikelyformonaircraftsurface
A.onovercastnightswithfreezingdrizzleprecipitation
B.onclearnightswithstableairandcalm
c.晴朗夜空,有对流运动,小的露点温度差
(B)
43.Whichweatherconditionispresentwhenthetropicalstormisupgradedtoahurricaneortyphoon
A.Highestwindspeed100knotsormore
B.Aclearareaorhurricaneeyehasformed
C.Sustainedwindsof65knotsormore
(C)
44.WhichprimarysourcecontainsinformationregardingtheexpectedweatheratthedestinationairportattheEAT?
A.RadarSummaryandweatherDepictioncharts
B.low-levelprogchart
C.TerminalAerodromeforecast
(C)
45.Isobarsonasurfaceweatherchartrepresentlineofequalpressure
A.atagivenatmosphericpressure
B.atthesurface
C.reducetosealevel
(C)
46.WhateffectifanydoesaltitudehaveonVmcforan不增压发动机飞机?
A.DecreasewithaltitudeIncrease
B.None
C.Increasewithaltitude
(A)
3.Whatconditionisnecessaryfortheformationofstructuralicinginflight?
#visiblewater
4.Whichconditionsresultintheformationoffrost?
#Temperatureofthecollectingsurfaceisbelowthedew-pointandthedew-pointisalsobelowfreezing
5.Aprognosticchartdepictstheconditions?
#.forecasttoexistataspecifictime.
8.Whatisthesafestandmosteffecttakeoffandinitialclimb2engineplane
A.bestengineoutrate-ofclimbairspeedwhileonthegroundtheliftoffandclimbatthatV;
B.Vmcthenliftoffatthatspeedandclimbat最大angle-of-climb-V;
C.VslightaboveVMCtheliftandclimbatthebestrate-of-climb-V.
(C)
9.Howshould反推propellersbeusedduringlandingformaximumeffectiumessinstop.
A.Graduallyincreasereversepowertomaximumasrolloutspeed;
B.Selectreverse-pitchafterlandingandloseidlepowersettingoftheengines;
C.Usemaximumreversepowerassoonaspossibleaftertouchdown
C
10.反向怎么复飞?
.makeaclimbturntowardthelandingrunway…..;
11.WhatistheprimarycauseofallchangesintheEarth’sweather?
A.changeinairpressureoverEarth’ssurface;
B.Variationofsolarenergyatsurface;
C.Movementofairmassfrommoistareastodryareas.
(B)
12高空急流relativestosurfacelowsandfronts
A.在lowsandcrossesboth暖锋和冷锋;
B.atnorthofthesurfacelowssystems;
C.southofthelowand暖锋
(B)
13Whattermdescribesareelongatedareasoflowspressure?
A.hurricaneortyphoon;
B.Ridge;
C.Trough
(C)
15.Whatisthehighestspeedpossiblewithoutsupersonicflowoverthewing?
A.criticamachNo.;
B.initialsuffer