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1、高级焊工技能理论试题及答案（Seniorwelderskilltheoryquestionsandanswers）SeniorwelderskilltheoryquestionsandanswersThatismyquestionsfromtheInternetsearch,nonoriginal.Onlyforlearning.SeniorwelderskilltheorytestAfillintheblanks:1,throughthetensiletestofweldedjoint,extensioncanweldmetalandweldedjoin
2、tdeterminationoftensilestrength,yieldpoint,rateandsection.Answer:shrinkage2,weldingjointtensilespecimenscanbedividedintotheformofcircularshape,andthree.Answer:thewholetube3,aftertensiletest,fracturepositionandfracturedefectsofthespecimenshallberecordedandfillinthereport.Answer:Wel
3、ding4,thesampleafterbending,thefrontsurfaceasthetensilebendingtestafterbending.Answer:theplanebendingSample5,bendingtestcanbedividedintoflatandtwoforms.Answer:pipe6,numericalbendingtestwithanglemeasurement.Answer:bending7,theimpacttestcanbeusedtodeterminetheimpacttoughnessofwelded
4、jointsandsensitivity.Answer:gap8,theflatteningtestistodeterminetheweldingofbuttjointofplastic.Answer:pipe9,atpresent,forimportantproductssuchasboilersandpressurevessels,largeshipsetc.,arewidelyusedasanimportantmethodforradiographicinspectionofweldquality.Answer:X10core,Xraydevicei
5、saspecialelectrontube.Answer:Xray11,accordingtotheregulations,thequalitystandardofsteelradiographicinspectionoftheweldsweregraded.Answer:Four12,ultrasonicpropagationfromonemediumtoanothermedium,canproducereflectionsandphenomena.Answer:refraction13,ultrasonicwaveisgeneratedbytheeff
6、ect.Answer:Piezoelectric14,ultrasonicpulsereflectiontypeultrasonicinspectionequipmentname.Answer:detector15,thefluorescencetestisusedtodetectcertainmaterials.Answer:nonmagnetic16,thesurfacedefects,whichcanshowtheredimageinwhite.Answer:imagingagent17,thehydrogendiffusionassayusingt
7、heglycerolmethod,mercuryandchromatographyinthree.Answer:gasphaseC18testmethods,acidresistantstainlesssteelantiintercrystallinecorrosiontendencymethod,Tmethod,Lmethod,Fmethodandatotaloffive.Answer:X19,waterasamediumtestcalledthepressuretest.Answer:pressureThemovablepart20,weldingtr
8、ansformershouldbekeptcleanandflex
