雨课堂学堂在线学堂云Building Physics(沈阳工业大学)单元测试考核答案

第1题Whichofthefollowingindicatorsconsiderthemostcomprehensivefactors?AAirtemperatureBEffectivetemperatureCNeweffectivetemperatureDStandardeffectivetemperature第2题Whatistheairtemperaturewhenthewatervaporintheairbeginstodew?

ADry-bulbtemperatureBBlackglobetemperatureCWetbulbtemperatureDDew-pointtemperature第3题Whichdoesnotbelongtothelocalwind?AWater-landwindBMountain-valleywindCAirconditioningwindDForest-plainwind第4题Whatistherequirementsofthermaldesigninseverecoldzone?AMustdothermalinsulation,donotneedtodoheatproof.BMustdothermalinsulation,simultaneouslyneedstodoheatproof.CMustdothermalinsulation,simultaneouslysomeareasneedstodoheatproof.DSomeareasneedstodothermalinsulation,donotneedtodoheatproof.第5题Whichofthefollowingdoesnotbelongtothedividingregionforbuildingthermaldesign?AHotsummerandcoldwinterzoneBHotzoneCHotsummerandwarmwinterzoneDTemperatezone第6题Whichofthefollowingdescriptionofthetemperaturefieldiswrong？AIncludingunstabletemperaturefieldandstabletemperaturefield.BOne-dimensionalunstabletemperaturefieldwhentemperaturechangesalongonlyonecoordinateaxis.CRepresentsthetemperaturedistributionatagiventime.DIsothermalsurfaceintemperaturefield.第7题Whatisthelimitoftheratiooftemperaturedifferencetothedistancebetweentwoisothermalsurfacesalongthenormaldirection?ATemperaturegradientBHeatfluxCHeatflowDTemperaturefield第8题Whatistheheatperunitareaperunittimepassingthroughtheisothermalsurface?AAmountofheatconductionBAmountofheattransferCHeatfluxDHeatflow第9题Whichofthefollowingiswrongwiththedescriptionofthermalconductivity?ALargethermalconductivityindicateshighthermalconductivityofmaterials.BThermalinsulationmaterialsshouldchoosematerialswithhighthermalconductivity.CThermalconductivityisalwayspositive.DThermalconductivityincreaseswithwatercontent.第10题Whatistheairconvectioncausedbyforcedconvection?

AForcedconvectionBNaturalconvectionCConvectioncausedbyexternalforceDConvectiveheattransfer第11题Whichofthefollowingareindoorenvironmentalelements?

AIndoorairtemperatureBIndoorairrelativehumidityCIndoorairvelocityDEnvironmentalradiationtemperature正确答案：ABCD第12题Whatarethecomprehensiveindicatorsforevaluatingindoorenvironment?AEffectivetemperatureBPredictedMeanVote（PMV）CPredictedpercentdissatisfied（PPD）DAirtemperature正确答案：ABC第13题Comparedwithsuburbs,whichofthefollowingrulesarenotapplicabletourbanclimate?AHigherairtemperature.BGreaterwindspeed.CHigherrelativehumidity.DGreatersolarradiation.正确答案：BCD第14题Whataretheheattransfermethods?ARadiationBConvectionCHeatconductionDTransfer正确答案：ABC第15题Whatprocessdoestheheattransferofenclosurestructureinclude?ASurfaceheatabsorptionBStructureheatingCSurfaceheatreleaseDStructureheatrelease正确答案：ABC第1题Whichofthefollowing

isthewinterinsulationdesignmodelofheatingroom?AIndoorandoutdoortemperatureareexpressedbydailyaveragevalue.BIndoorairtemperatureisexpressedbydailyaveragevalueandoutdoorairtemperatureisexpressedbyinstantaneousvalue.CIndoorairtemperatureisexpressedbyinstantaneousvalueandoutdoorairtemperatureisexpressedbydailyaveragevalue.DIndoorandoutdoortemperatureareexpressedbyinstantaneousvalue.第2题Whichofthefollowingisthethermalperformanceindextomeasuretheflatwallunderstableheattransferconditions?

AThermalresistanceBHeattransferresistanceCThermalconductivityDFlatwallthickness第3题Whichofthefollowingisthemosteconomicalandeffectivemethodtoreducethethermalresistanceoftheairspace?AReducingthewidthoftheairspace.BPastealuminumfoiloninnersurfaceofhotsideoftheairspace.CPastealuminumfoiloninnersurfaceofcoldsideoftheairspace.DPastealuminumfoilontwoinnersurfaceoftheairspace.第4题Inthesamewinterindoorandoutdoortemperatureconditions,whichofthefollowingdescriptioniscorrect?AThelargertheheattransferresistance,thelargertheheatflux,thelowertheinnersurfacetemperature.BThelargertheheattransferresistance,thelargertheheatflux,thehighertheinnersurfacetemperature.CThelargertheheattransferresistance,thesmallertheheatflux,thelowertheinnersurfacetemperature.DThelargertheheattransferresistance,thesmallertheheatflux,thehighertheinnersurfacetemperature.第5题Whichofthefollowingistheamplitudeoftemperaturewave?ADifferencebetweenmaximumandminimumtemperaturesBDifferencebetweenmaximumandaveragetemperaturesCDifferencebetweenmaximumtemperatureandzeroDMaximumtemperature第6题Underthesameharmonicthermaleffect,whatchangescanbebroughtbylargecoefficientofheataccumulation?AThesurfacetemperaturefluctuationoftheenvelopebecomeslarger.BThesurfacetemperaturefluctuationoftheenvelopedecreases.CTheinternaltemperaturefluctuationoftheenvelopebecomeslarger.DTheinternaltemperaturefluctuationoftheenvelopedecreases.第7题Usually,howmuchshouldthemaximumtemperatureoftheinnersurfaceoftheroof,theeasternouterwallandthewesternouterwallbecontrolledtomeetthethermal

insulationdesignstandards?ALessthantheaverageoutdoortemperature.BGreaterthantheaverageoutdoortemperature.CLessthanthemaximumoutdoortemperature.DGreaterthanthemaximumoutdoortemperature.第8题Whichofthefollowingareone-dimensionalstableheattransfercharacteristics?AEqualheatfluxthroughaflatwall.BTheheatfluxthroughtheflatwalldecreasesgradually.CIntheflatwallofthesamematerial,thetemperaturedistributionofeachinterfaceislinear.DIntheflatwallofthesamematerial,thetemperaturedistributionofeachinterfaceiscurve.正确答案：AC第9题Whatistheheattransferresistancecomposedof?ASumofThermalResistanceofFlatWallLayersBInnersurfaceresistanceofheattransferCExternalsurfaceresistanceofheattransferDThermalresistanceofindoorair正确答案：ABC第10题Whichofthefollowingaretheindexestoevaluatetheenergy-savingdesignofheatingbuildings?AHeattransferresistanceBThermaltransmissioncoefficientCHeatdissipationbybuildingDCoalconsumptionofbuildingheating正确答案：CD第11题Whatarethefollowingheattransfercharacteristicsunderharmonicthermaleffect?AOutdoortemperature,surfaceandinteriortemperaturefluctuationsforthesameperiod.BTheamplitudeoftemperaturefluctuationsfromoutsidetoinsidetheflatwalldecreases.CThephaseoftemperaturewavefromoutdoortoinsidetheflatwallgraduallymovesbackward.DHeatfluxequalfromoutsidetoinsideofflatwall.正确答案：ABC第12题Whatarethefollowingreasonsfortheattenuationanddelayoftemperaturewaveinthetransferprocessinsidetheflatwall?AThermalresistanceBHeatcapacityCRadiationDConvection正确答案：AB第13题Whatimpactcanthermalinertiaindexbringtotheenclosurestructure?AFastattenuationoftemperaturewave.BSlowattenuationoftemperaturewave.CGoodthermalstability.DPoorthermalstability.正确答案：AC第14题Whatthermaleffectsareincludedintheoutdoorsolar-airtemperature?

AAirtemperatureBEquivalenttemperatureofsolarradiationCMeanradianttemperatureDEffectiveLong-WaveRadiationTemperatureonexternalSurface正确答案：ABDChapter3Exercises第1题Whichmaterialshouldbeselectedfortheinnerwallofthecontinuousheatingroom?ALargedensityandlargecoefficientofheataccumulationBSmalldensityandlargecoefficientofheataccumulationCLargedensityandSmallcoefficientofheataccumulationDSmalldensityandSmallcoefficientofheataccumulation第2题Whereshouldtheplantingroofnotbeapplied?ATemperatezoneBSeverecoldzoneCHotsummerandcoldwinterzoneDHotsummerandwarmwinterzone第3题Whichofthefollowingheatpreservationrequirementsisthelowest?

AInnersurfacedoesnotdewBHeatlossassmallaspossibleCAppropriatethermalstabilityDAvoidexcessivecoldradiation第4题Whatisthedesignmethodofbuildingthermalinsulation?AMinimumthermalconductivitymethodBMinimumheatfluxmethodCMinimumheattransfercoefficientmethodDMinimumheattransferresistancemethod第5题Theallowabletemperaturedifferenceintheminimumheattransferresistanceformulaisthedifferencebetweentheindoorcalculatedtemperatureandwhichofthefollowing?AOutdoorcalculatedtemperatureBOutdoorminimumtemperatureCExternalsurfacetemperatureofenclosurestructureDInternalsurfacetemperatureofenclosurestructure第6题Whichofthefollowingitemsiscorrectinthedescriptionoftrade-offjudgmentmethodaboutthermalperformanceofenclosurestructure?ABasedoncontrollingthetotalenergyconsumptionofbuildingsBRequirementtomeetheattransfercoefficientlimitofenclosurestructureCThermalinsulationdesignforresidentialbuildingsDEnergySavingDesignforResidentialBuildings第7题Whatisthedesignmethodofbuildingenergyefficiency?AMinimumheattransferresistancemethodBMinimumheatstoragecoefficientmethodCHeattransfercoefficientlimitmethodDLimitmethodofthermalinertiaindex第8题Whichindicatorsshouldbeusedinfloorthermaldesign?AThermalconductivityBHeatabsorptionindexCThermalresistanceoffloorDThermo-osmosiscoefficient第9题Whichindicatorshouldbeusedinthebottomgroundthermaldesign?AThermalconductivityBHeatabsorptionindexCGroundthermalresistanceDThermo-osmosiscoefficient第10题Whichparametershaveanimpactonbuildingheatingenergyconsumption?AThermalresistanceBShapefactorCEffectivetemperatureDPMV-PPD正确答案：AB第11题Whataretheformsofsingleinsulationlayer?AExternalthermalinsulationBInternalthermalinsulationCMixeheatpreservationDSandwichthermalinsulation正确答案：ABDChapter4Exercises第1题Whichofthefollowinginterfacesisthecondensinginterfacealongthewatervaporpermeationdirection?AInterfaceofwatervaporpermeabilitycoefficientfromlargetosmallBInterfaceofwatervaporpermeabilitycoefficientfromsmalltolargeCThesurfacethatletexternalwatervaporenterthematerialDThesurfacethatletswatervaporinsidethematerialescape第2题Whichofthefollowingistheprincipleofpreventingandcontrollinginternalcondensation?AEasytoenteranddifficulttogetoutBEasytoenterandeasytogetoutCDifficulttoenterandeasytogetoutDDifficulttoenteranddifficulttogetout第3题Whichlayershouldthevaporbarrierbeset?AThesidewherethewatervaporentersandthetemperatureishigherBThesidewherethewatervaporflowsoutandthetemperatureislowCThesidewherethewatervaporentersandthetemperatureislowDThesidewherethewatervaporflowsoutandthetemperatureishigher第4题Whichofthefollowingstructuresoftheairlayerhasdehumidificationfunction?

AClosedairlayeronthewarmsideBClosedairlayeroncoldsideCVentilationairlayeronthewarmsideDVentilationairlayeroncoldside第5题Whatmaterialsareusedonthegroundsurfacetobebeneficialtothemoistureproof?ALargecoefficientofheataccumulationBSmallcoefficientofheataccumulationCLargethermalconductivityDSmallthermalconductivity第6题Whichcondensationphenomenonwillaffectthedurabilityofbuildings?ACondensationinsidebuildingenvelopeBIndooraircondensationCCondensationofinnersurfaceofbuildingenvelopeDCondensationofoutersurfaceofbuildingenvelope第7题Whatroomsneedtopreventsurfacecondensation?AOfficeBClassroomCBathroomDNatatorium正确答案：CDChapter5Exercises第1题Whichshadingformshouldthesouthwindowchoose?AHorizontalstyleBRectilinealstyleCIntegratedstyleDBaffle-type第2题Whatratioisshadingcoefficientintheirradiationtime?ARatioofsolarradiationthroughsunshadewindowstosolarradiationthroughunshadewindowsBRatioofsolarradiationthroughunshadewindowstosolarradiationthroughsunshadewindowsCRatioofsolarradiationthroughsunshadewindowstototalsolarradiationDRatioofsolarradiationthroughunshadewindowstototalsolarradiation第3题Whichofthefollowingcasescaneffectivelyreducesolarradiationpenetration?AIncreasingshadingcoefficientBReducingshadingcoefficientCDonotshade,closethewindow.DMaintainequalshadingcoefficientinalldirections.第4题Whichofthefollowingisthewinddirectionprojectionangle?ADirectionofwinddirectionprojectionlineBAngleofintersectionbetweenwinddirectionprojectinglineandsouthdirectionCAngleofintersectionbetweenwinddirectionprojectionline

andbuildingwallDAngleofintersectionbetweenwinddirectionprojectionlineandnormallineofbuildingwall第5题Whichofthefollowingmaterialsshouldbeusedtoreducedaytimeindoortemperaturebynightventilation?ATheinnersurfacematerialofbuildingenvelopewithsmallcoefficientofheataccumulationBTheinnersurfacematerialofbuildingenvelopewithlargecoefficientofheataccumulationCTheoutsidesurfacematerialofbuildingenvelopewithlargecoefficientofheataccumulationDTheoutsidesurfacematerialofbuildingenvelopewithsmallcoefficientofheataccumulation第6题Whichofthefollowinglocationsisthemostsuitableforrefrigerationandpumprooms?ARoofBBasementCThenextroomofreadingroomDRoominthemiddleofthebuilding第7题Whichofthefollowinglocationsismostsuitableforairconditioningroomswithhighcleanlinessrequirements?ATopfloorBFirstfloorCNearthegablewallDInthemiddleofthebuilding第8题Whattypesofhotclimatemainlyinclude?ADryheatBDrycoldCMoistheatDWetcold正确答案：AC第9题Whichpartsarethekeypartsoftheheatinsulationofthebuildingenvelope?ATopfloorBEastwallCWestwallDNorthwall正确答案：ABC第10题Whatarethefollowingsourcesofairflowpowerintheventilatedroof?AFanBWindpressureCHotpressingDFrictionalresistance正确答案：BC第11题Whichofthefollowingareformsofexternalshading?AHorizontalstyleBRectilinealstyleCIntegratedstyleDBaffle-type正确答案：ABCD第12题Whichofthefollowingarethepowersourcesofnaturalventilation?AFanBWindpressureCHotpressingDFrictionalresistance正确答案：BCChapter6Exercises第1题Whichofthefollowinganglesisthedeclinationangle?AAnglebetweensolarlightandgroundBAnglebetweensolarlightandequatorialplaneCAnglebetweenequatorialplaneandgeographicallatitudeDAnglebetweensolarlightandgeographicallatitude第2题Howmuchisthehourangleatnooninlocaltimeequalto?A0°B12°C15°D24°第3题Whatisthewrongdescriptionofthesolarelevationangle?A0°atsunriseB0°atsunsetCMaximumatnoonDPositiveinthemorningandnegativeintheafternoon第4题Whichisthecorrectdescriptionofthesolarazimuthangle?A0°atsunriseB180°atsunsetCMaximumsouthwardDPositiveafternoon,negativebeforenoon第5题Whichofthefollowingisnottheinfluencingfactorofsolarelevationangleandsolarazimuthangle?ADeclinationBLatitudeCHourangleDLongitude第6题Whichisthecoefficientofsunshinespacing?ACorrectioncoefficientofsunshinespacingBSafetyfactorofsunshinespacingCRatioofsunshinespacingtoheightofrearbuildingDRatioofsunshinespacingtocalculatedheightoffrontbuilding第7题Whichkindofbuildingsneedstoavoidsunshine?ASolariumBDrawingroomCKindergartenactivityroomDWorkshopwithconstanttemperatureandhumidity正确答案：BD第8题Whatarethefollowingindicatorsincludedintheinsolationstandard?ASunshinedurationBSun-illuminatedareaCSunshinelocationDSunlightperiod正确答案：ABDChapter7Exercises第1题Whichofthefollowingcurvesdescribesthephenomenonofhumaneyeperceptionunderdifferentlightconditions?APhotometriccurveBCurveofvisualperformanceCSpectralluminousefficiencycurveDCurveofeffectiveluminousreflectionratio第2题Whatisthemaximumspectralluminousefficiencyunderphotopicvision?A1B100C555D683第3题Whichofthefollowingistheunitofilluminance?AlmBlxCcdDnt第4题Howmuchntis1sb?A10B100C1000D10000第5题Whichtwophysicalquantitiesdotheprojectionlawofsolidanglereflect?AIlluminationandbrightnessBIlluminationandluminousfluxCIlluminationandsolidangleDIlluminationandluminousintensity第6题Whichkindofindoorwallmaterialisbeneficialtolighting?ADiffusionreflectivematerialsBDiffusiontransmissionmaterialsCDirectionalreflectivematerialsDDirectionaltransmissionmaterials第7题Whichofthefollowingneedslongadaptationtime?ALightadaptationBDarkadaptationCGlareadaptationDChromaticadaptation第8题Whichofthefollowingmethodscannotreduceglare?ACoverthelightsourcewithalampshadeBHangthelamphighCSelectlampwithhighpowerDTurnoffthebackgroundlight第9题Whichoftheattributeswithcolordoesnotincludethefollowing?ABrightnessBChromaCColor

temperatureDHue第10题Whatistheroleofcolorappearancesystem?ALightingquantificationBColorquantificationCBrightnessquantificationDIlluminationquantification第11题WhatdoesCinHV/Cmean?AHueBBrightnessCChromaDColorseries第12题Whatistherangeofcolorchangeinnormaleyes?AColourweaknessBColorblindnessCChromaticadaptationDColortolerance第13题Whichofthefollowingdoesvisualadaptationnotinclude?ALightadaptationBDarkadaptationCGlareadaptationDChromaticadaptation第14题Whatparametersareusedtomeasurethecolorrenderingoflightsource?AChromaticaberrationBColor

temperatureCColorrenderingindexDColorappearancesystemChapter8Exercises第1题WhatistheelevationAnglewhenthebrightnessoftheskyequalstheilluminationofthegroundoutside?A0°B42°C45°D90°第2题Whatweatheristhebasisofnaturallightingdesign?ACleardayBCloudyskyCCIEstandardovercastskyDReal-timeweather第3题Whatisthedesignindexofnaturallighting?AIlluminationBBrightnessCLuminousfluxDDaylightfactor第4题Whatarethecharacteristicsofsidedaylighting?AIndoorilluminationisuneven.BExcessiveindoorillumination.CIndoorilluminationateachpointisequal.DIndoorilluminationisdifficulttoreachthenorm.第5题Whichtypeofskylightisthelowestdaylightingefficiencyandbestventilation?AFlatskylightBRectangularskylightCLaterallyskylightDSawtoothedskylight第6题Whichofthefollowingwindowtypesissuitablefortheroomwithconstanttemperatureandhumidity?AFlatskylightBRectangularskylightCLaterallyskylightDSawtoothedskylight第7题WhichofthefollowingrulesshallbesatisfiedwiththeuniformityoftopdaylightinggradeI~IV?ANotlessthan0.7BNotmorethan0.7CNotlessthan0.3DNotmorethan0.3第8题Whichofthefollowingoccasionsisthemostsuitableforthetubular daylighting system?AHigh-risebuildingBUndergroundarchitectureCOpen-airparkingDThecityparkandsquares第9题Whichofthefollowingshouldbeconsideredintheclassificationofdaylightinglevels?ATheusingfunctionofbuildingsBTheusingtimeofthebuildingCArchitecturaldesigngradeDConstructioncostofbuilding第10题Whichofthefollowingplacesshouldnotusetubular daylighting system?AUndergroundarchitectureBOpen-airparkingCLong-spanstructureDBuildingswithgreatdepthChapter9Exercises第1题Whichofthefollowingdoesnotbelongtothecharacteristicsoftheelectriclightsource?AResistancetovibrationBAvailablelifeCWorkingprincipleDStartandrestart第2题Whichpowersourcedoestungstenhalogenlampbelongto?AMicrowavelampBThermalradiationlampCGas-dischargelampDSolidlightemittinglamp第3题Whichofthefollowingelectriclightsourceshasgoodfogpermeability?AHigh-pressuremercurylampBHigh-pressuresodiumlampCLowpressuremercurylampDLowpressuresodiumlamp第4题Whichofthefollowingisnotthelightcharacteristicsoflamps?ACut-offangleBTransmittancyCLuminaireefficiencyDPhotometriccurve第5题Whichofthefollowingisthelamptypewiththelargestluminousfluxutilizationrate?ADirecttypeBIndirecttypeCDiffusetypeDSemi-directtype第6题Whichofthefollowinglightingmethodsisnotallowedtobeusedalone?AGenerallightingBMixedlightingCLocallightingDLocalizedlighting第7题Whichofthefollowingcannoteffectivelyavoidglare?AAddlampshadeBIncreasetheareaofelectriclightsourceCInstallthelamphighDReducethebrightnessofwallsandceilings第8题Whatkindoflampsshouldbeselectedinthereadingroom?AHighcolortemperaturehighilluminationBLowcolortemperaturelowilluminationCHighcolortemperaturelowilluminationDLowcolortemperaturehighillumination第9题Howmuchlightinguniformityshouldbetakeninthemainroomsofpublicbuildings?ANotlessthan0.5BNotlessthan0.7CNomorethan0.5DNomorethan0.7第10题Whatisthelightingdesignmethod?AMeanvaluemethodBMethodofutilizationfactorCLightingcoefficientmethodDMinimumvalueguaranteemethod第11题Whichofthefollowingdoesnotbelongtoarchitecturallighting?ALight-roofBWalllampCLightbandDLuminousceiling第12题Whichlightcannotformlightpollution?ALighttowardstotheskyBLightemittedtotheworkingfaceCLightdirectedtowardstheoppositebuildingDLightemittedtothecarcomingforward第13题Whatprocessdoesthegreenlightingprojectnotinclude?AProductionoflightingequipmentBUseoflightingequipmentCLightingmaterialsprocurementDWastetreatmentoflightingequipment第14题Whataretheadvantagesofincandescentlamps?AFrequentstartupBNostrobeCLonglifetimeDHighlightefficiency正确答案：AB第15题Whatarethedisadvantagesoffluorescentlamps?AThesurfacetemperatureoflightsourceislow.BThereisstroboscopicphenomenon.CDonotstartfrequently.DSensitivetotemperatureandhumidity.正确答案：BCD第16题Whichofthefollowingarelightingenergy-savingmeasures?ANaturallighting.BAutomaticcontrol.CHighefficiencyelectriclightsource.DBrushtheinnersurfaceoftheroomHighefficiencyelectriclightsourcelightcolor.正确答案：ABCDChapter10Exercises第1题WhatcharacteristicsofsoundwavesdoestheidiomofThetunelingeredintheroomdescribe?ADiffractionBReflectionCScatteringDRefraction第2题Whatisthereferencesoundpower?A2×10-5B2×10-12C10-5D10-12第3题Howloudaretwo0dBsounds?A0dBB2dBC3dBD0.3dB第4题Whichindicatoristhesoundpressurelevelof1000Hzpuretoneequivalenttothesoundtobemeasured?ASoundintensitylevelBLoudnesslevelCSoundpowerlevelDSoundenergydensity第5题Whichofthefollowingistheweightednetworksimulatinghumanearcharacteristics?AInternetABInternetBCInternetCDInternetD第6题Whatisthefundamentalfrequency?ALowestfrequencyBMaximumfrequencyCMedianfrequencyDAveragefrequency第7题Whichofthefollowingphenomenabelongtohumansubjectiveauditorycharacteristics?AAuditorylocalizationBMaskingeffectCCoincidenceeffectDHaaseffect正确答案：ABD第8题WhichofthefollowingphenomenabelongtotheHasseffect?ABufferofhearingBInterferencephenomenonCPinholephenomenonDAudio-visuallocation正确答案：ADChapter11Exercises第1题Whichroofshapeiseasytoformacousticfocusing?APlaneBConvexsurfaceCConcavesurfaceDPolyline-shape第2题Whichofthefollowingdescribesthewholedevelopmentofindoorsounds?AAlwayssteadyBGraduallydecayfromsteadystateCGraduallygrowtosteadystateDGradualgrowth,gradualdecayuponreachingsteadystate第3题Whichisthetimewhentheacousticenergydensitydecays60dB?AReverberationtimeBSpreadingtimeCDiffusiontimeDDuration第4题Whatsoundwavesfromindoorinterfaceswillcausereverberation?AReflectedsoundwaveBDiffractionsoundwaveCTransmissionsoundwaveDRefractionsoundwave第5题Whatistheunitofsoundabsorption?AdBBm2CsDW第6题WhichofthefollowingrequirementsdoestheSabinformularequiretheaveragesoundabsorptioncoefficientoftheindoorsurface?A≤0.1B≤0.2C≤0.5D≤1.0第7题Whenthesoundenergydensityofdirectsoundanddiffusesoundisequal,whichdistanceisthedistancefromthesoundsource?APropagationdistanceBReverberationradiusCDistancebetweenreceivingpointandsoundsourceDDistancefrommeasuringpointtosoundsource第8题Whatisthephenomenonofresonancefrequencyoverlap?AEchoBDegeneracyCCoincidenceeffectDReverberation第9题Whatsounddefectswillbecausedbydegeneracy?AEchoBDiffractionCAcousticcolorationDReverberation第10题Whatarethecharacteristicsofdiffusionsoundfield?ASamesoundpressurelevelateachpointBSameintensityofsoundenergyinalldirectionsCEqualsoundpowerlevelsateachpointDEqualsoundenergydensityateachpoint正确答案：BDChapter12Exercises第1题Whichfrequencyofsoundwavesaremainlyabsorbedbyporousabsorbingmaterials?ALowfrequencyBIntermediatefrequencyCHighfrequencyDMediumandhighfrequency第2题Whatisthesoundabsorptioncoefficientofthewindowfacingtheoutdoor?A0B1C100D∞第3题Whichofthefollowingdoesnotabsorbsound?APersonBCurtainCClosedcabinetDSolidwall第4题Intheory,doublethewallthickness,howmuchwillthesoundinsulationincrease?A2dBB3dBC4dBD6dB第5题Whatchangeswillthesoundinsulationofthewallbythecoincidenceeffectcause?ANochangeBIncreasesoundinsulationCReducesoundinsulationDFluctuationinsoundinsulation第6题Howmanytimesshouldthevibrationfrequencyoftheequipmentbemuchlargerthantheresonancefrequency?A1B2C2D3第7题Whichofthefollowingsurfacetreatmentmeasureshasnovibrationisolationeffect?ALayingcarpetBSuspendedceilingCPavingbrickDLayingoverheadfloor第8题Whichofthefollowingisnotsuitableforreflector?ATapestryBLamellaCWallDFresco第9题Whatmeasurescanbetakentoimprovethesoundabsorptionperformanceofporousabsorbingmaterials?

AAnairinterlayerisarrangedbehindtheporoussoundabsorbingmaterial.BIncreasethethicknessofsoundabsorbingmaterials.CCompactedporoussoundabsorbingmaterials.DWettheporoussoundabsorbingmaterials.正确答案：AB第10题Whatarethefunctionsoftheairlayer?AThermalinsulationBWaterproofCSoundinsulationDLighting正确答案：ACChapter13Exerci