资源描述：
《一级锅炉水处理试题及答案（water treatment questions and answers of primary boiler）》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、一级锅炉水处理试题及答案（Watertreatmentquestionsandanswersofprimaryboiler）1theboilercaneffectivelyconvertthechemicalenergyinthefuelintotheheatenergyofthesteam.(V)thecorrectanswer2,thesaturatedsteamisactuallysteamwithmoisture,soitisalsocalledwetsteam.(V)thecorrectanswer
2、3,thecarbonicacidsaltsolutioniseasytodecomposecarbondioxideafterheating.(x)xanswererror4boileriscomposedoftwoparts:potandfurnace,inwhichthepotistheheatabsorbingpartthatmakeswaterintohotwaterorsteam.(V)thecorrectanswerWhenthechemicalreactionofthe5judgmentrea
3、chesequilibrium,theconcentrationofreactantandproductwillnotchangeanymore,indicatingthatthereactionhasstopped.(V)wronganswer6thecarbondioxideinwaterisapartofalkalinity,whichisnotharmfultotheboiler.(x)answercorrectly7determinetheproblemusuallyhydrogenatomvale
4、nce1,oxygenatomvalence2.(V)thecorrectanswer8thelowerthepH,thelowerthealkalinityofthewater.(V)thecorrectanswer9,theproblemofwaterintowatervaporbelongstochemicalchanges.(x)answercorrectly10toensurethatthewaterqualityoftheboilerisqualifiedisthepremisetomaintai
5、ngoodsteamquality.(V)thecorrectanswer11boilerwithsmallerwatervolume,suchastubularandDCcoiltypefuelboiler,canbesimplytreatedbyaddingchemicalsinthepot.(V)wronganswer12,thejudgmentofpurepotpluswatertreatmentisusuallyonlysuitableforsmalllow-pressureboiler.(V)th
6、ecorrectanswer13,whenthecontentofsuspendedsubstanceinrawwaterishigher,itwillpollutetheresinandaffecttheexchangecapacityofresin.Youransweriscorrect14,whenthesodiumcarbonateisusedasawatertreatmentagent,sodiumcarbonatecanprotectthemetalwithoutcorrosion.(V)wron
7、ganswer15determinethechemicaldeoxidizeranddissolvedoxygeninwaterredoxreaction,removedissolvedoxygen.(V)thecorrectanswer16judgmentofphosphoricacidthreesodiumcanbeproducedwithhardnesssubstanceseasytoremovesewageslag,sothepotwatershouldbemorephosphoricacidthre
8、esodium.(x)answercorrectly17theantiscalingeffectofcompoundantiscalingagentisbetterthanthatofsinglescaleinhibitor.(V)thecorrectanswer18theboilerwithaddingchemicalsinthepotshouldbedischargedasmuchaspossi
