资源描述：
《制冷试题(c卷)（refrigeration test (c coil)）》由会员上传分享，免费在线阅读，更多相关内容在教育资源-天天文库。
1、制冷试题(c卷)（Refrigerationtest(Ccoil)）OperationmanagementsystemtechnologycenterequipmentmanagementdepartmentRefrigerationtest(Ccoil)First,multiple-choicequestions:1,ammoniawaterwillcorrode(C)metal.AandgoldBandAgC,copperD,Fe2.Thesuctiontemperatureofammoniacompressorinnormaloperationishigherthanthatofevap
2、orationtemperature(A)oC.A,5~10B,5~12C,5~75D,5~203,screwtypechilleroperationinthecompressordisplayoilsurfacerising,shouldtake(C)measurestotroubleshoot.A,shutdowncheckB,adjusttheoilpressureC,improvetheoiltemperatureD,checkoilpump4.Therefrigerantoilinthecompressormustbeadaptedtothespecialrequirementsof
3、therefrigerationsystem(D).A,hightemperaturewithoutsolidificationBishightemperaturewithoutvaporizationC,resistanttolowtemperaturewithoutvaporizationD,resistanttolowtemperaturewithoutsolidification5.Thecompressorofthecompressorissuppliedtothelowpressuretank:(B).A,icewaterlowpressurebucketB,coldstorage
4、lowpressurebucketC,brinelowpressurebarrel6,icepoolbelongstotherefrigerationofthefourcomponents:(B).A,compressorB,evaporatorC,condenser7,ammoniapumpliquidisthekindofliquidsupply:(C).AandgravityliquidsupplyBanddirectliquidsupplyC,forcedliquidsupply8.Inammoniasystem,ammoniaandoilalmostdonotdissolveeach
5、other,andtheoilisheavierthanammonia,depositedinthebottomofammonia,itiseasytoreleaseoilfromthebottomoftheequipment.Oildischargemustbeused(A).Nooilisreleaseddirectlyfromtheequipmentwithpressure.OildischargeofAandoilcollectorB,airseparatoroildischargeCandoildrumsdrain9,screw(compressor)is(A)meshingeach
6、other,theoppositedirectionofthenegativeYangrotor,thenegativerotorisconcave,Yangrotorisconvex.A,apairB,twopairsC,threepairs10.Thesuctionfilterismainlycomposedofshelland(C).A,plasticfilterscreenBandasbestosfilterscreenC,metalfilterscreen11,screwrefrigerationcompressorshutdown,appearrepeatedlyreverse(B
7、),notstrictlymade.AandspoolvalveBandcheckvalveC,suctionvalveD,exhaustvalve12,screwrefrigerationcompressoroilratio,exhaustpressureshouldbe(A).A,high0.15-0.3MpaB,low0.15-0.3MpaC,high0.3-0.45MpaD,low0.3-
