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1、过程装备制造与检测试题（Testandmanufactureofprocessequipment）ReviewofprocessequipmentmanufacturingFirst,fillintheblanks1.accordingtoGB150-1998"steelpressurevessel",theweldedjointsofthemaincompressionpartsofpressurevesselaredividedintofourcategories:A,B,CandD.P662.thebasicforms
2、ofweldedjointsarebuttjoint,Tshape(crossshaped)joint,anglejointandlapjoint.P673.thebuttjointisanidealformofweldedjointfromtheaspectsoftheforcestateofweldedjointandtheweldingperformanceofjoint.MainpressurepartsandpressureshellofpressurevesselFullweldedbuttjointsshall
3、beadoptedforthemainwelds.P68Themicrostructureformationandpropertiesofthe4.weldedjointaredeterminedbytheweldzoneandtheheataffectedzone.Theweakerpartoftheweldedjointisintheheataffectedzone,whiletheoverheatedzoneintheheataffectedzoneistheweldedjointTheweakestregionint
4、heworld.P72,755.thebasicformsofweldinggrooveareItype,Vtype,Ytype,Xtype,Utypeandsoon.Themainpurposeofdesignorselectionofdifferentgrooveistoensurethefullpenetrationofweldedjoints.P796.intheprocessofequipmentmanufacturing,thecommonlyusedweldingmethodsaremanualarcweldi
5、ng,submergedarcautomaticwelding,gasshieldedarcwelding,electroslagwelding,surfacing,narrowgapwelding,etc..P797.therearethreecategoriesofdomesticmanualarcweldingequipment:arcweldingtransformer(alternatingcurrentweldingmachine),arcweldinggenerator(DCwelder)andarcweldi
6、ngrectifier(DCpowersupply).P79The8.electrodebythecoreandthecoatingiscomposedoftwoparts,chemicalcompositionwilldirectlyaffectthequalityoftheweldingelectrode.9.weldingwiresareclassifiedassolidcoredwire,fluxcoredwireandactiveweldingwireaccordingtotheirshapeandstructur
7、e,amongwhichthesolidcoreweldingwireusedforsubmergedarcweldingisthemostwidelyused.P9810.electroslagweldingweldingprocesscanbedividedintothreestages:arcestablishmentphase,normalphaseandphaseleadwelding.Themostimportantfeatureissuitableforweldingthickparts.P11911.suit
8、ableforthickwallpressurevesselweldingmethodforelectroslagwelding,automaticsubmergedarcwelding,narrowgapwelding.P12312.theweldabilityofmetalmateri
