ATPL网上题库3气象Word下载.doc

ATPL网上题库3气象Word下载.doc

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（5）Whatcharacterizesaground-basedinversion?

A．convectioncurrentsatthesurface

B．coldtemperatures

C．poorvisibility

C

（6）Whatconditionproducesthemostfrequenttypeofground-orsurface-basedtemperatureinversion?

A．themovementofcolderairunderwarmairorthemovementofwarmairovercoldair

B．widespreadsinkingofairwithinathicklayeraloftresultinginheatingbycompression

C．terrestrialradiationonaclear,relativelycalmnight

（7）Whatisacharacteristicofthetroposphere?

A．itcontainsallthemoistureoftheatmosphere

B．thereisanoveralldecreaseoftemperaturewithanincreaseofaltitude

C．theaveragealtitudeofthetopofthetroposphereisabout6miles

（8）Theheatofthestratosphereairischieflyfrom

A．theabsorptionofsunradiationbythewatervapor

B．theabsorptionofsunultravioletrayradiationbytheozone

C．theabsorptionofgroundradiationbytheair.

（9）Thetimeofthedaywhentheearth’ssurfacegivesoffthegreatestamountofterrestrialradiationis

A．afewhoursbeforemidnight

B．atsunset

C．midafternoon

（10）Whendoesmintemperaturenormallyoccurduringa24hoursperiod?

about1hourbeforesunrise

atmidnight

aftersunrise

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

C．theabsorptionofgroundradiationbytheair

（12）Whichofthefollowingisnotcorrect?

A．solarradiationpenetratestheatmospheremorereadilythanterrestrialradiation6

B．theamountofsolarradiationabsorbedattheearthsurfaceisindependentofthetypeofsurface

C．watervapourandcarbondioxideareimportantabsorbersofterrestrialradiation

（13）Whatistheapproximaterateunsaturatedairwillcoolflowingupslope?

A．3°

Cper1,000feet

B．2°

C．4°

（14）Whichprocesscausesadiabaticcooling?

expansionofairasitrises

movementofairoveracoldersurface

releaseoflatentheatduringthevaporizationprocess

（15）Whichtermapplieswhenthetemperatureoftheairchangesbycompressionorexpansionwithnoheataddedorremoved?

A．Katabatic

B．Advection

C．Adiabatic

（16）Whensaturatedairmovesdownhill,itstemperatureincreases

atafasterratethandryairbecauseofthereleaseoflatentheat

ataslowerratethandryairbecausecondensationreleasesheat

ataslowerratethandryairbecausevaporizationusesheat

（17）Arecordofatmospherictemperaturecanbereadfora

A．barograph

B．thermogram

C．thermograph

（18）Inaverage,forevery1,000feetincreaseinthetroposphere,thetemperatureoftheairwill

A．descend2°

B．descend3°

C．descend4°

（19）Atemperatureof45℃is

A．57℉or273K

B．113℉or273K

C．113℉or318K

C

K=273.15+攝氏溫度c=（℉-32）*5/9

20）Whatconditionproducesthemostfrequenttypeofground-orsurface-basedtemperatureinversion?

（21）WhatistheprimarycauseofallchangesintheEarth’sweather?

A．changeinairpressureoverEarth’ssurface

B．variationofsolarenergyatsurface

C．movementofairmassfrommoistareastodryareas

（22）Thesurfaceairtemperatureofarunningwilldependonallofthefollowing

A．airfieldelevation,runwaylengthandslope,airfieldlatitudeandwind

B．airfieldelevationandlatitudetimeoftheyear,timeofday,runwaysurfaceprevailingwindandcloudcover

C．airfieldelevationrunwaylength,prevailingwindandthetimeofday

（23）Whichpressureisdefinedasstationpressure?

A．Altimetersetting.

B．Actualpressureatfieldelevation.

C．Stationbarometricpressurereducedtosealevel.

（24）Dewpointis

A．thetemperaturetowhichdryairmustbecooledinordertojustreachsaturation

B．thetemperatureatwhichaparcelatairreachsupersaturaturepoint,irrespectiveofpressure

C．theTEMtowhichsaturatedairmustbecooledtoproducecondensation

（25）Thedewpointtemperatureishigherwhen

airisverywarmanddry

airisverycoldandmoist

airpressureislower

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

（27）Whatweatherdifferenceisfoundoneachsideofa“dryline”?

extremetemperaturedifference

strutversuscumulusclouds

dewpointdifference

（28）Thehumanbodyiscomfortableatnormaltemperatures.Whentherelativehumidityis?

A．60-80%

B．40-60%

C．20-30%

（29）Therelativehumiditywillbe100%when

A．dewpoint<

bulb>

B．wetbulbanddrybulbequal

C．dewpoint>

drybulb

（30）Thewatervaporheldinunsaturatedairis

A．invisiblealways

B．visiblealways

C．visibleonlyiftemperatureislowenough

（31）Whicheventusuallyoccursafteranaircraftpassesthroughafrontintothecolderair

temperature/dewpointdecreases

atmospherepressureincreases

winddirectionshiftstotheleft

（32）Waterissaidtohaveagreatervalueofspecificheatascomparedwiththeland,because

it’sabletoabsorbmoreheatthantheland,buthasnobearingontherateofchangeinthetemperature

itrequireslessheatbetakenintochangeittemperatureascomparedwiththeland

itrequiresmoreheattoincreaseittemperaturethanland

（33）Withtheincreaseoftemperature,theairplane'

srollingdistancewill____whentakeoffandlanding.

A．remainunchanged

B．increase

C．reduce

（34）WhicharetheonlycloudtypesforecastintheTerminalAerodromeForecast?

A．Altocumulus

B．Cumulonimbus

C．Stratocumulus

（35）Beforetakeoff,thepilotsfindthecloudshavethefollowing:

verylowandthickclouds,flatandgraybottomswithlightrain.Thiscloudsisreferredas

A．stratusornimbostratus

B．altostratusorstratocumulus

C．cumulonimbusoraltocumulus

（36）Whichtypecloudsmaybeassociatedwiththejetstream？

cirruscloudsontheequatorialsideofthejetstream

cumulonimbuscloudlinewherethejetstreamcrossesthecoldfront

cirostratuscloudbandonthepolarsideandunderthejetstream

（37）Whatisthelowestcloudinthestationarygroupassociatedwithamountainwave?

rotorcloud

standinglenticular

lowstratus

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

（39）Inflight,pilotsfindforanecloudsconsistingofcloudbarandcloudbandwithflatfloorandpiledcloudsonthetopofsomeclouds.Thedescriptivecloudshouldbe.

A．cumuluscongestus

B．cumulostratus

C．toweringclouds

（40）Whenflyingoverthenimbostratusclouds,thepilotfindsthatthereareuptoweringcloudsonthethicklayer.Topofthetoweringcloudsextendsto9000metershighandareblowntoonesidebythestrongwindlikehorse'

smane.Basedonthissituation,hepredictsthattheremustbe（）inthesheetclouds.

A．cumulonimbusclouds

B．altocumulusclouds

C．falsecirrusclouds

（41）Theheaviesticingthateasytoaccumulateinflightisassociatedwith

A．incumuloniformclouds

B．inhighclouds,suchascirrus

C．inaltocumuluscloud

（42）Thecloudswhichcanproducethunderstormandhailare

A．nimbostratus

B．cumulonimbus

C．altostratus

（43）Cloudsaredividedintothreefamiliesaccordingtotheir

heightrange

composition

outwardshape

（44）Whichtypecloudsareindicativeofverystrongturbulence?

B．standinglenticular

C．cirrocumulus

（45）Airplanesmayencounterheavyturbulencein

A．cumulonimbusandtoweringcumulus

B．stratocumulusandaltocumulus

C．altocumulusandcumulonimbus

（46）Whatarebasicconditionstoformathunderstorm?

A．anunstablelapserateandterrainliftingforce

B．anunstablelapserate,aninitialliftingforce,andsufficientwatervapor

C．sufficientwatervaporandfrontarea

（47）Whentakingofforlandingattheairportontheedgeofthunderstormregion,whichofthefollowingdescriptiveweathershouldbewatchoutedparti