ATPL网上题库3气象.docx
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ATPL网上题库3气象
3气象
（1）Theapproximatepercentageofoxygenatgroundlevelis
∙A．20%
∙B．15%
∙C．41%
正确答案：
A
（2）Whereisacommonlocationforaninversion?
∙A．Tropopause
∙B．Stratosphere
∙C．Baseofcumulusclouds
正确答案：
B
（3）Thesectionoftheatmospheresurroundingtheearthandclosesttosurfaceiscalled
∙A．troposphere
∙B．Stratosphere
∙C．tropopause
正确答案：
A
（4）Whatfeatureisassociatedwithatemperatureinversion?
∙A．astablelayerofair
∙B．anunstablelayerofair
∙C．airmassthunderstorms
正确答案：
A
（5）Whatcharacterizesaground-basedinversion?
∙A．convectioncurrentsatthesurface
∙B．coldtemperatures
∙C．poorvisibility
正确答案：
C
（6）Whatconditionproducesthemostfrequenttypeofground-orsurface-basedtemperatureinversion?
∙A．themovementofcolderairunderwarmairorthemovementofwarmairovercoldair
∙B．widespreadsinkingofairwithinathicklayeraloftresultinginheatingbycompression
∙C．terrestrialradiationonaclear,relativelycalmnight
正确答案：
C
（7）Whatisacharacteristicofthetroposphere?
∙A．itcontainsallthemoistureoftheatmosphere
∙B．thereisanoveralldecreaseoftemperaturewithanincreaseofaltitude
∙C．theaveragealtitudeofthetopofthetroposphereisabout6miles
正确答案：
B
（8）Theheatofthestratosphereairischieflyfrom
∙A．theabsorptionofsunradiationbythewatervapor
∙B．theabsorptionofsunultravioletrayradiationbytheozone
∙C．theabsorptionofgroundradiationbytheair.
正确答案：
B
（9）Thetimeofthedaywhentheearth’ssurfacegivesoffthegreatestamountofterrestrialradiationis
∙A．afewhoursbeforemidnight
∙B．atsunset
∙C．midafternoon
正确答案：
C
（10）Whendoesmintemperaturenormallyoccurduringa24hoursperiod?
∙about1hourbeforesunrise
∙atmidnight
∙aftersunrise
正确答案：
c
由于太阳辐射强度的日变化，气温在一日之中也呈现周期性变化，有一个最低值和最高值，最低值一般出现在早晨日出后，最高值出现在当地正午后2小时左右。
（11）Theheatofthetroposphereairischieflyfrom
∙A．theabsorptionofsunradiationbythewatervapor
∙B．theabsorptionofsunultravioletrayradiationbytheozone
∙C．theabsorptionofgroundradiationbytheair
正确答案：
C
（12）Whichofthefollowingisnotcorrect?
∙A．solarradiationpenetratestheatmospheremorereadilythanterrestrialradiation6
∙B．theamountofsolarradiationabsorbedattheearthsurfaceisindependentofthetypeofsurface
∙C．watervapourandcarbondioxideareimportantabsorbersofterrestrialradiation
正确答案：
A
（13）Whatistheapproximaterateunsaturatedairwillcoolflowingupslope?
∙A．3°Cper1,000feet
∙B．2°Cper1,000feet
∙C．4°Cper1,000feet
正确答案：
A
（14）Whichprocesscausesadiabaticcooling?
∙expansionofairasitrises
∙movementofairoveracoldersurface
∙releaseoflatentheatduringthevaporizationprocess
正确答案：
A
（15）Whichtermapplieswhenthetemperatureoftheairchangesbycompressionorexpansionwithnoheataddedorremoved?
∙A．Katabatic
∙B．Advection
∙C．Adiabatic
正确答案：
C
（16）Whensaturatedairmovesdownhill,itstemperatureincreases
∙atafasterratethandryairbecauseofthereleaseoflatentheat
∙ataslowerratethandryairbecausecondensationreleasesheat
∙ataslowerratethandryairbecausevaporizationusesheat
正确答案：
C
（17）Arecordofatmospherictemperaturecanbereadfora
∙A．barograph
∙B．thermogram
∙C．thermograph
正确答案：
B
（18）Inaverage,forevery1,000feetincreaseinthetroposphere,thetemperatureoftheairwill
∙A．descend2°C
∙B．descend3°C
∙C．descend4°C
正确答案：
A
（19）Atemperatureof45℃is
∙A．57℉or273K
∙B．113℉or273K
∙C．113℉or318K
正确答案：
C
K=273.15+攝氏溫度c=（℉-32）*5/9
20）Whatconditionproducesthemostfrequenttypeofground-orsurface-basedtemperatureinversion?
∙A．themovementofcolderairunderwarmairorthemovementofwarmairovercoldair
∙B．widespreadsinkingofairwithinathicklayeraloftresultinginheatingbycompression
∙C．terrestrialradiationonaclear,relativelycalmnight
正确答案：
C
（21）WhatistheprimarycauseofallchangesintheEarth’sweather?
∙A．changeinairpressureoverEarth’ssurface
∙B．variationofsolarenergyatsurface
∙C．movementofairmassfrommoistareastodryareas
正确答案：
B
（22）Thesurfaceairtemperatureofarunningwilldependonallofthefollowing
∙A．airfieldelevation,runwaylengthandslope,airfieldlatitudeandwind
∙B．airfieldelevationandlatitudetimeoftheyear,timeofday,runwaysurfaceprevailingwindandcloudcover
∙C．airfieldelevationrunwaylength,prevailingwindandthetimeofday
正确答案：
B
（23）Whichpressureisdefinedasstationpressure?
∙A．Altimetersetting.
∙B．Actualpressureatfieldelevation.
∙C．Stationbarometricpressurereducedtosealevel.
正确答案：
B
（24）Dewpointis
∙A．thetemperaturetowhichdryairmustbecooledinordertojustreachsaturation
∙B．thetemperatureatwhichaparcelatairreachsupersaturaturepoint,irrespectiveofpressure
∙C．theTEMtowhichsaturatedairmustbecooledtoproducecondensation
正确答案：
A
（25）Thedewpointtemperatureishigherwhen
∙airisverywarmanddry
∙airisverycoldandmoist
∙airpressureislower
正确答案：
B
露点温度和空气中水汽含量和气压大小有关。
气压一定时，水汽含量越多，露点温度越高；在水汽含量不变的情况下，气压降低时，露点温度随之降低。
（26）Whatweatherconditionoccursatthealtitudewherethedewpointlapserateandthedryadiabaticlapserateconverge?
∙precipitationstarts
∙cloudbasesform
∙stableairchangestounstableair
正确答案：
B
（27）Whatweatherdifferenceisfoundoneachsideofa“dryline”?
∙extremetemperaturedifference
∙strutversuscumulusclouds
∙dewpointdifference
正确答案：
C
（28）Thehumanbodyiscomfortableatnormaltemperatures.Whentherelativehumidityis?
∙A．60-80%
∙B．40-60%
∙C．20-30%
正确答案：
B
（29）Therelativehumiditywillbe100%when
∙A．dewpoint
∙B．wetbulbanddrybulbequal
∙C．dewpoint>drybulb
正确答案：
B
（30）Thewatervaporheldinunsaturatedairis
∙A．invisiblealways
∙B．visiblealways
∙C．visibleonlyiftemperatureislowenough
正确答案：
A
（31）Whicheventusuallyoccursafteranaircraftpassesthroughafrontintothecolderair
∙temperature/dewpointdecreases
∙atmospherepressureincreases
∙winddirectionshiftstotheleft
正确答案：
B
（32）Waterissaidtohaveagreatervalueofspecificheatascomparedwiththeland,because
∙it’sabletoabsorbmoreheatthantheland,buthasnobearingontherateofchangeinthetemperature
∙itrequireslessheatbetakenintochangeittemperatureascomparedwiththeland
∙itrequiresmoreheattoincreaseittemperaturethanland
正确答案：
C
（33）Withtheincreaseoftemperature,theairplane'srollingdistancewill____whentakeoffandlanding.
∙A．remainunchanged
∙B．increase
∙C．reduce
正确答案：
B
（34）WhicharetheonlycloudtypesforecastintheTerminalAerodromeForecast?
∙A．Altocumulus
∙B．Cumulonimbus
∙C．Stratocumulus
正确答案：
B
（35）Beforetakeoff,thepilotsfindthecloudshavethefollowing:
verylowandthickclouds,flatandgraybottomswithlightrain.Thiscloudsisreferredas
∙A．stratusornimbostratus
∙B．altostratusorstratocumulus
∙C．cumulonimbusoraltocumulus
正确答案：
A
（36）Whichtypecloudsmaybeassociatedwiththejetstream？
∙cirruscloudsontheequatorialsideofthejetstream
∙cumulonimbuscloudlinewherethejetstreamcrossesthecoldfront
∙cirostratuscloudbandonthepolarsideandunderthejetstream
正确答案：
A
（37）Whatisthelowestcloudinthestationarygroupassociatedwithamountainwave?
∙rotorcloud
∙standinglenticular
∙lowstratus
正确答案：
A
山地有许多由于地形影响而形成的特殊的地形云，如荚状云、滚轴状云和帽状云。
荚状云可出现在不同高度上，可以是层积云、高积云或者卷云；滚轴状云通常底部低于山峰，顶部可高出山峰顶许多；帽状云只形成在山顶上空。
（38）Theheightofthelowestcloudinthereportwas（BKN080）
∙A．1000FLAGL
∙B．800FLAGL
∙C．8000FLAGL
正确答案：
C
（39）Inflight,pilotsfindforanecloudsconsistingofcloudbarandcloudbandwithflatfloorandpiledcloudsonthetopofsomeclouds.Thedescriptivecloudshouldbe.
∙A．cumuluscongestus
∙B．cumulostratus
∙C．toweringclouds
正确答案：
C
（40）Whenflyingoverthenimbostratusclouds,thepilotfindsthatthereareuptoweringcloudsonthethicklayer.Topofthetoweringcloudsextendsto9000metershighandareblowntoonesidebythestrongwindlikehorse'smane.Basedonthissituation,hepredictsthattheremustbe（）inthesheetclouds.
∙A．cumulonimbusclouds
∙B．altocumulusclouds
∙C．falsecirrusclouds
正确答案：
A
（41）Theheaviesticingthateasytoaccumulateinflightisassociatedwith
∙A．incumuloniformclouds
∙B．inhighclouds,suchascirrus
∙C．inaltocumuluscloud
正确答案：
A
（42）Thecloudswhichcanproducethunderstormandhailare
∙A．nimbostratus
∙B．cumulonimbus
∙C．altostratus
正确答案：
B
（43）Cloudsaredividedintothreefamiliesaccordingtotheir
∙heightrange
∙composition
∙outwardshape
正确答案：
A
（44）Whichtypecloudsareindicativeofverystrongturbulence?
∙A．nimbostratus
∙B．standinglenticular
∙C．cirrocumulus
正确答案：
B
（45）Airplanesmayencounterheavyturbulencein
∙A．cumulonimbusandtoweringcumulus
∙B．stratocumulusandaltocumulus
∙C．altocumulusandcumulonimbus
正确答案：
A
（46）Whatarebasicconditionstoformathunderstorm?
∙A．anunstablelapserateandterrainliftingforce
∙B．anunstablelapserate,aninitialliftingforce,andsufficientwatervapor
∙C．sufficientwatervaporandfrontarea
正确答案：
B
（47）Whentakingofforlandingattheairportontheedgeofthunderstormregion,whichofthefollowingdescriptiveweathershouldbewatchoutedparticularly?
∙A．visibilityandlowclouds
∙B．windshearatlowaltitude
∙C．hailandrainstorm
正确答案：
B
（48）Whatfeatureisnorma
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