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《泵與壓縮機(jī)試題b（pump and compressor test questions b）》由會(huì)員上傳分享，免費(fèi)在線閱讀，更多相關(guān)內(nèi)容在教育資源-天天文庫。
1、泵與壓縮機(jī)試題b（PumpandcompressortestquestionsB）1pumpandcompressortestinexergyvolumeBSharenotebindingPleasedonotontheleftsideofthelinePleaseanswertofNotinthepapersWriteandtestTryto.LetforAccordingtothecorrespondingmanagementProvisions.Department:Professional:Class:Fullname:No.:Scoresh
2、areScoresharenumberYiersansiwuliuqibajiushiscoreScoreTheexaminationtimefor120minutestotaloffourFFtestpapersof4pages.AchoiceThe30bigtopicLafeveryday3pointsin1,andcanimprovetheliquidconveyingmachineryisshowninthehead.A,aircompressor,centrifugalcompressor,pumpBC,centrifugeD2,centr
3、ifugalcompressorpowercomponentsisshowninthe.A,B,C,suctionimpellervolute,sealD3,thecentrifugalpumpperformancecurveisbythefactoryinLainCwaterconditionsobtainedbytesting.A,0B,4C,20D,30Semiopenimpellercentrifugalcompressor4,onlytheincreaseinthe.A,B,Cafterthefrontdiscdisc,leftandrig
4、htwheelDHighefficiency5,thepumpefficiencyisobservedinthefollowinggeneralmaximum%rangeofeverypoint.DeviceA,5B,7C,10D,156,canautomaticallyadjustthebalanceforceisshowninthe.A,B,Cbalancediscbalancedrum,balancetubeD,balanceblade7,hasshowninthecentrifugalcompressorperformancecurvemay
5、beunstableundercertainoperatingconditions.A,steepB,flatC,increasingD,humptype8,pistoncompressoractualoperatingcyclebyaprocessconsistinginla.A,1B,2C,3D,49,pumpoperationisstableandwhetheritcanbeusedthefollowingmethodtojudgethestabilityinthesharepointpumpperformancecurveoftheslope
6、isobservedinthetubeSloperoadperformancecurve.A,B,C,==D,10,acentrifugalcompressorimpellerwith6Kgasthroughthemachineisshowninthestageaftercompression.A,1B,3C,6D,8andtwotodeterminetheproblemrightshownmeyourFXinthewrongThe10bigquestionsobservedeveryday2pointsinF1,thepumpheadisaflui
7、dconveyingpumpunitweightflowfromtheinlettotheoutletoftheenergyincrement.InLa2,withthe"energy"theoremofEulerequationscanbeeasilyderived.InLaScoreshareScoreshare2scoreTheintersectionefficiencycurve3,characteristiccurveofpipelinecentrifugalcompressorandcentrifugalcompressorisworki
8、ngpoint.Exergyin4,pistoncompressorprovidesmoreliftthan
