ATPL网上题库3气象.docx

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