射线II级规范考试试卷RTLevelIISpecificExamination姓名:答卷时间:地点:NameTimeLocation得分:评卷人:时间:MarksExaminerDate1.射线照相时,应在胶片的背面放置一个高度不小于13mm,厚度不小于1.5mm的铅字B,其目的是:(C)A)作为底片上识别标记的一部分B)防止散射线对胶片的影响,从而提高照相的质量C)监测背散射线的影响D)在正常拍片条件下,B的影像应出现在照相底片上AleadsymbolB,withminimumdimensionsof13mminheightand1.5mminthickness,shallbeattachedtothebackofeachfilmholderinradiography.Thepurposeofitis:A)apartofidentificationontheradiographB)toprotectfrombackscatterandtoimprovethequalityoftheradiographC)asacheckonbackscatteredradiationD)thatsymbolBshallbeappearedonradiographicimagesinnormalcondition2.当用手不能将像质计置于源侧时,像质计应置于胶片侧并与被检验工件接触,铅字“F”应放在:(A)A)透度计上面或旁边B)焊缝上C)尽可能远D)以上均不正确WhereinaccessibilitypreventshandplacingtheIQI(s)onthesourceside,itshallbeplacedonthefilmsideincontactwiththepartbeingexamined,aleadletter“F”shallbeplaced:A)adjacenttoorontheIQI(s)B)onweldC)aspossibleasfarD)noneofaboveiscorrect3.如果底片上像质计处的黑度为2.5,下列哪组数据说明使用单壁透照射线照相技术的黑度是正确的?(B)A)Dmin2.13,Dmax4.00B)Dmin2.13,Dmax3.25C)Dmin2.00,Dmax3.25D)以上都不对ThefilmdensitythroughtheradiographicimageoftheIQIbodyis2.5,whichpairofdataiscorrectwhenthesingle-walltechniquebeused.A)Dmin2.13,Dmax4.00B)Dmin2.13,Dmax3.25C)Dmin2.00,Dmax3.25D)以上都不对4.如果射线底片上被检区域任何部位的黑度变化超过像质计本体处的黑度达-15%或+30%以上,但仍在标准规定的最小和最大容许黑度内,则:(B)A)此张射线照片合格B)对每个超过的区域应增加一个像质计,并重新拍片C)上述均不正确Ifthedensityoftheradiographanywherethroughtheareaofinterestvariesbymorethanminus15%orplus30%fromthedensitythroughthebodyoftheIQI,butvariestheminimum/maximumallowabledensityrangesspecifiedincode.A)thisradiographisacceptableB)anadditionalIQIshallbeusedforeachexceptionalareaorareasandtheradiographshallberetakenC)noneoftheaboveiscorrect5.射线照相质量等级的一般要求为2-2T,那么射线底上必须显示出孔型透度计中的哪一个孔?(B)A)孔深和孔径均为2%tB)孔深为2%t,孔径为4%tC)孔深和孔径均为2×2%tD)孔深为4%t,孔径为2%t*t--为透照厚度。Thequalitylevelrequiredforradiographyis2-2Tgenerally,whichholeonthepenetrametershallbeappearedontheradiograph?A)bothdepthanddiameterofholeare2%tB)depthofholeis2%tanddiameterofholeis4%tC)bothdepthanddiameterofholeare2×2%tD)depthofholeis4%tanddiameterofholeis2%t6.对于单壁透照技术,下列哪一种情况标记应放在射线源一侧的工件上:(D)A)平面部件或圆柱形或圆锥形部件的纵向接缝B)曲面或球面形部件,其凹面一侧对着射线源,到材料的距离小于部件的内径C)曲面或球面部件,其凸面一侧对着射线源D)A,B,CSourcesidelocationmarkersshallbeusedwhenradiographing:A)jointsofflatcomponentsorlongitudinaljointsincylindricalorconicalcomponentsB)curvedcomponentswhoseconcavesideistowardthesourceandwhenthesourcetomaterialdistanceislessthantheinsideradiusofthecomponentC)curvedcomponentswhoseconvexsideistowardthesourceD)alloftheabovearecorrect7.用双壁单投影法透照φ325×16mm单面余高为2mm的环焊缝,要求EPS=2%,则选用的像质计厚度和垫片厚度分别应为:(D)A)0.66mm和2.03mmB)0.66mm和4.06mmC)0.36mm和4.06mmD)0.36mm和2.03mmWithusingdouble-walltechniqueandsingle-wallviewing,oneweldinpipewithNPSφ325×16mmandthesingle-wallreinforcement2mmshallbeperformedradiographywithEPS2%.ThethicknessofIQIandshimsshouldbe:A)0.66mmand2.03mmB)0.66mmand4.06mmC)0.36mmand4.06mmD)0.36mmand2.03mm8.对于圆柱形容器,当射线源位于工件的轴线上,对整个圆周或部分圆周用一次曝光进行射线照相时,则应至少使用:(C)A)1个像质计B)2个像质计C)3个像质计D)以上都不对Forcylindricalvesselradiography,wherethesourceisplacedontheaxisoftheobjectandacompletecircumferenceorportionofthecircumferenceisradiographedwithasingleexposure,inthiscase,howmanyIQIsshallbeusedatleast?A)oneB)twoC)threeD)noneiscorrect9.用射线源内置法透照环缝时,若(1)FR;(2)FR,则标记的放置规则应遵循下列哪一条?(B)A)(1)射源侧,(2)胶片侧B)(1)胶片侧,(2)射源侧C)射源侧和胶片侧均可D)以上都不对*F---射线源至胶片的距离;R---被检工件的外半径。Forcylindricalgirthweldsradiographywithsourceinsidetheobject,if(1)FR;(2)FR,whichoneiscorrectinaccordancewiththeruleofthelocationmarkersplacement:A)(1)sourceside(2)filmsideB)(1)filmside(2)sourcesideC)eithersideD)noneiscorrect*F=distancefromsourcetofilm.R=outsidediameteroftheweldtobeexamined.10.下列哪句叙述是正确的?(B)A)射线底片上长度不等于宽度的显示称为线状缺陷B)射线底片上长度大于宽度三倍的显示称为线性缺陷C)射线底片上长度大于宽度二倍的显示称为线性缺陷D)射线底片上长度比宽度大得多的显示称为线性缺陷Whichsentenceinthefollowingiscorrect:A)indicationwithalengthnotequaltothewidthontheradiographaredefinedaslinearindicationB)indicationwithamaximumlengthofthreetimesthewidthormoreontheradiographisdefinedaslinearindicationC)indicationwithamaximumlengthoftwotimesthewidthorlessontheradiographisdefinedaslinearindicationD)indicationwithalengthofmanytimesthewidthontheradiographisdefinedaslinearindication11.板厚为48mmA类焊缝的射线底片上发现焊缝中有长度分别为14mm和13mm,间隔为70mm的条状夹渣两个,此焊缝是否合格?(底片长度300mm)(A)A)合格B)不合格OnaradiographoftypeAweldwiththickness48,therearetwodefects(14and13mmlong)separatedby70mm.Isthisweldacceptableornot?(Thelengthofradiographis300mm)A)acceptableB)unacceptable12.在我们公司可以使用什么型号的X射线设备?(D)A)300EG-S3B)250EG-S3C)RIX-300MCD)上述A和BInourcompany,whattypeX-rayequipmentmaybeused?A)300EG-S3B)250EG-S3C)RIX-300MCD)AandBoftheabove13.按照规程CXZJ-NDE07-02,识别和定位标记应放在焊缝旁边,但至少离焊缝:(B)A)3mmB)5mmC)10mmD)15mmAccordingtotheprocedureMR/QP004,identificationandlocationmarkersshallbeplacedadjacenttotheweldbutawayfromitatleast:A)3mmB)5mmC)10mmD)15mm14.胶片系统的选择应按照SE-1815,我们公司推荐使用哪一类胶片?(D)A)KodakR,SRB)KodakAA,BC)AgfaM,TD)上述全部FilmsystemshouldbeselectedinaccordancewithSE-1815.Inourcompany,whichclassfilmsystemisrecommendedtouse?A)KodakR,SRB)KodakAA,BC)AgfaM,TD)alloftheabove15.对厚度为20mm的焊缝进行射线照相时,几何不清晰度应不超过:(D)A)1.02mmB)1.78mmC)0.76mmD)0.50mmForradiographingaweldof60mmthickness,geometr