ASME试卷

ASME规范产品Ⅲ级射线检验人员专业考试试题SPECIFICEXAMINATIONQUESTIONSFORLEVELⅢPERSONNELOFRADIOGRAPHICTESTINGFORTHEASMECODEPRODUCTS姓名得分NAME_____________GRADE_____________Inthefollowingselectingquestions,choosetheletterrepresentstherightanswerintothebrackets;inthejudgingquestions,fill○or×toindicatewhethercorrectornot.对下列选择题，选择代表正确答案的字母填入括号内；对判断题，在括号内填入○或×，以示其正确与否。1.ThefunctionofsoupisreductingtheexposedAgBrgrainintometalAg.()1.显影液的作用是把已曝光的AgBr颗粒还原成金属银。（）2.NeworstoppingusingorlongtimeX-rayinxtrumentshouldbe“training”beforeoperation,itsaimisimprovevacuumofX-raytube.()2.新的或长期停用的X光机，使用前要进行“训练”，其目的是提高X光管的真空度。（）3.Inthecourseofexposure,thelendintensifyingscreencloselycontactwiththeX-rayfilmcanimprovethedensityofnegative,itsreasonis().A.theleadintensifyingscreenmayemitfluorescenceandvisiblelight,andacceleratesensitizationoffilm.B.Theleadscreenmayabsorbscatteringray.C.Preventbackscatteringcausingfogonfilm.D.TheleadscreencanemitelectronradiatedbyX-rayandγ-ray,thereforeishelpfultoexposureoffilm.3.曝光过程中，与X射线胶片紧密接触的铅增感屏可提高底片黑度，其原因是（）A、铅增感屏会发生荧光和可见光，从而加快胶片感光B、铅屏可吸收散射线C、防止背散射造成胶片灰雾D、铅屏受X和γ射线照相会发射电子，从而有助于胶片感光。4.TheaimofputtingfilteronthewindowofX-raytubeis()A.generatesecondaryraytostrengthenX-raybeamB.filteringshortwavelengthX-raytogetofterX-rayC.filteringsofterX-raytogetpurerX-rayD.maketheintensityofX-raybeameasilyadjusted4.在X光管窗口放置滤光片目的是（）A、产生二次射线以增强X射线束B、滤掉短波长X射线以获得较软的射线C、滤掉软X射线以获得能量比较单纯的X射线束D、使X射线束的强度容易调整5.BasedonSE-1815,whichperformancerequirementsshouldbeconsideredforselectionofthefilmsystemusedforindustrialradiography?A.GminB.δDmaxC.(G/δD)minD.alloftheabove5.按SE-1815，选择工业射线照相胶片系统时应考虑哪些特性要求？A.GminB.δDmaxC.(G/δD)minD.以上均是6.Thethicknessrangeofworkpiecethatcanbefullyrecordedonthenegativeiscalled()A.SensitivityofnegativeB.LatitudeofnegativeC.PrecisionofnegativeD.Intensityofsource6.能够在底片上充分记录的工件厚度范围叫做（）A.底片的灵敏度B.厚度的容宽度C.底片的精度D.源的强度7.Themainaimofinstallingtwoormorefilmswithdifferentphotoresponsiverateinthesameholderis()A.avoidretakephotographforunsuitableexposuretimeB.avoidretakephotographforfalsedefectonthenegativeC.becauseonceexposurehaswiderrangeofthicknessD.becauseinfluenceofscatteringraytothemasterimage7.在同一暗盒里装2张或多张感光速度不同的胶片进行曝光的主要目的是()A.避免因曝光时间不当而重新拍片B.避免因底片上有缺陷而重新拍片C.因为一次曝光包含较大的厚度范围D.为了减少总体图像受散射线的影响8.Inconditionof(),theburringofnegativetakenbybiggerraysourseisequivalenttothattakenbysmallerraysourceA.shortenexposuretimeB.layinginmoreleadplatesC.increasingthedisancebetweensourceandfilmD.usingfasterfilm8.在()的条件下,尺寸较大的射线源所拍摄的底片的清晰度可与尺寸较小的射线源得到的底片不清晰度相当。A.缩短曝光时间B.衬较多的铅板C.增大源到胶片的距离D.使用速度较快的胶片9.Ifadarkimageofthe“B”appearsonlighterbackground,theradiographshallbeconsideredunacceptable()9.射线底片上在黑度较小的背景上如出现“B”标记的较黑影象,此片应重照()10.IssueofhumanbodyofeverypartallcanbedamagedbyoverradiationofX-rayorγ-ray,butthemostsensitivepartis()A.bloodB.eyeballC.viscusD.alloftheabove10.人体务部分组织受X射线或γ射线过量照射均会受到伤害,但是其中特别敏感是A.血液B.眼球C.内脏D.以上都是11.Higherthestrengthenheightofweldis,inspectionofdefectismoredifficulter.()11.焊缝加强度越高,缺陷的检出就越困难。()12.BasedontheASMESEC.Ⅷ,DivI,theevaluationoftheradiographsshallbeinaccordancewith()forspotexaminationandwith()A.UW-51B.UW-52C.UW-11D.UW-1212.根据ASME第八卷第一分册，射线底片的评定抽检应按（），全检应按（）。A.UW-51B.UW-52C.UW-11D.UW-1213.IfonlythedenifyandIQIsensitivitycanmeetthedesignatedrequirements,theadiographisacceptableforinterpretationevenifthereisfoggingintheareaofinterest.()13.射线底片只要黑度,象质计灵敏度符合要求,即使有灰雾也可照样评定.14.ForthewireIQIASTMIB03,IBmeansthewirematerialis(),03meansthemaximumwirediameteris()A.nickel-chromium-ironalloy(UNSNO.NO6600)B.carbonsteelortype300seriesstainlesssteelC.0.03inchesD.0.3mm14.丝型象质计ASTMIB03，1B表示丝的材质是（），03表示最粗丝径是（）A.镍-络-铁合金(UNSN0.NO6600)B.碳钢或300系列不锈钢C.0.03英寸D.0.3mm15.TheloadthatX-raytubecanbeardependson()A.compositionofcathodeB.sideoffocalpointandefficiencyofanodecoolingsystemC.ditancebetweenanodeandcathodeD.waveshapeofhighvoltage15.X光管可承受的负荷取决于()A.阴极部分B.焦点尺寸和阳级冷却系统C.阳极到阴极的距离D.高压波形16.BasedonSE-1079,thecalibrationtermforadensitystepwedgefilmis()andforatransmissiondensitometeris()A.90daysB.12monthsC.1yearD.3monnths16.按SE-1079,有关校验的限期:阶梯黑度片为(),黑度计为()A.90天B.12月C.1年D.3月17.ThedesignatedIQIwirediametershallbeselectedaccordingtothenominalsingle-wallthicknessfromTableT-276,whichexceptingtheweldreinforcements.17.象质计应显丝径应按单壁材料厚度,从表T-276中选定不包括焊缝余高.18.Thetwomostcommonreasonscausetheintensityofphotographertoohighis()A.insufficientwashingandoverdevelopedB.overexposureandoverdevelopedC.overexposureandfixerpollutionD.fixerpollutionandinsufficientwashing18.引起射线照片密度过高的两种最常见的原因是()A.水洗不足和过显影B.过曝光和过显影C.过曝光和定影液污染D.定影液污染和水洗不足19.Iftheleadintensifyingscreenisdeeplyscarificated,adarklinewillappearontheraynegative,thismainlybecause()A.thethicknessofscarificatedpartofleadintensifyingscreendecrease,andtheabsorptionofraydecrease,thereforetheamountofrayarrivehearincrease.B.Thegapbetweendeeplyscarificatedpartandfilmisbig,thereforetheeffectofscatteringrayincrease.C.Scarificationmagnifythesurfacedimensionofleadscreen,thereforetheareathatradiateelectronmagnify,andtheintensifyingeffectstrengthen.D.Noneofabove.19.铅增感屏上有深度划伤,在射线底片上出现黑线,这主要是因为()A.铅增感屏划伤部位厚度减薄,对射线的吸减少,因而使到达该外的射线量增多B.