ASME磁粉II级规范考试试卷

磁粉II级规范考试试卷MTLevelIISpecificExamination姓名：答卷时间：地点：NameTimeLocation得分：评卷人：时间：MarksExaminerDate1.采用触头法探测厚度为40mm的焊缝时，磁化电流的选择应为：（A）A)4~5A/mmB)3.6~4.4A/mmC)6~8A/mmD)上述均可ForMTof40mmthickmaterialwithprodtechnique,themagnetizationcurrentshallbe:A)4~5A/mmB)3.6~4.4A/mmC)6~8A/mmD)alloftheabove2.采用触头法探伤，触头间距不应超过__________mm，但小于__________mm的触头间距通常是不适宜的。（A）A)200mm,75mmB)150mm,75mmC)200mm,50mmD)150mm,50mmFortheprodtechnique,prodspacingshallnotexceeds_________mm,butprodspacingoflessthan__________mmareusuallynotpractical.A)200mm,75mmB)150mm,75mmC)200mm,50mmD)150mm,50mm3.对磁轭法，直流和交流磁轭的提升力在最大磁极间距时各不得小于多少公斤？（C）A)直流磁轭为25kg，交流磁轭为10kgB)直流磁轭为10kg，交流磁轭为2kgC)直流磁轭为18kg，交流磁轭为4.5kgD)直流磁轭为100kg，交流磁轭为50kgForyoketechnique,alternatingordirectcurrentelectromagneticyokesshallhaveaminimumliftingpoweratthemaximumpolespacing.Theyare:A)directcurrentelectromagneticyokes25kg,ACyoke10kgB)directcurrentelectromagneticyokes10kg,ACyoke2kgC)directcurrentelectromagneticyokes18kg,ACyoke4.5kgD)directcurrentelectromagneticyokes100kg,ACyoke50kg4.采用纵向磁化时，当工件长度L与工件外径D之比小于4，但不小于2，则磁化安匝数应按下列哪个公式计算：（C）A)DL/4500=⋅匝安B)2/35000+=⋅DL匝安C)DL/45000=⋅匝安D)DL/35000=⋅匝安ForMTofparts,whichL/Dratiosislessthan4butnotlessthan2,withlongitudinalmagnetizationtechnique,themagnetizingampere-turnsshallbedeterminedasfollows:(L-thelengthofthepart,D-thediameterofthepart)A)DLturnsAmpere/4500=−B)2/35000+=−DLturnsAmpereC)DLturnsAmpere/45000=−D)DLturnsAmpere/35000=−5.对外径100mm，壁厚10mm，长度50mm的管状工件进行外表面纵向缺陷磁粉检测时，下列哪种磁化方法最合适？（A）A)轴向通电法B)线圈磁化法C)中心导体法D)触头法Whichmagnetizationtechniqueisbestsuitedtodetectsurfacedefectsalongitslengthfortubularproductwithouterdiameter100mm,thickness10mm,andlength50mm.A)directcontacttechniqueB)magnetizationisproducedbypassingacurrentthroughamultiturncoilC)centralconductorinducedmagnetizationtechniqueD)prodtechnique6.磁场指示器：（D）A)用作磁场强度及其分布的一种定量指示B)仅仅反映了零件试验区域表面上的磁场强度和方向C)用作零件磁化是否合适及指示磁化方向的一种方便但是粗略的核查D)以上B和CMagneticparticlefieldindicator:A)isintendedasaquantitativeindicatoroffieldstrengthordistributionB)reflectsonlyfieldstrengthanddirectionatthesurfaceandintheareaofthepartundertestC)maybeusedasaconvenientroughcheckoftheadequacyanddirectionofpartmagnetizationD)bandc7.荧光磁粉磁悬液浓度为：（B）A)0.5~1ml/100mlB)0.1~0.5ml/100mlC)0.1~0.5ml/100mlD)0.2~1ml/100mlConcentrationoffluorescentmagneticparticlesuspensionsis:A)0.5~1ml/100mlB)0.1~0.5ml/100mlC)0.1~0.5ml/100mlD)0.2~1ml/100ml8.进行荧光磁粉检验时，被检物体表面处的黑光强度在用适当的黑光计测定时应不小于：（B）A)2000μW/cm2B)1000μW/cm2C)800μW/cm2D)500μW/cm2Whenmeasuredwithasuitableblack-lightmeter,theblacklightintensityattheexaminationsurfaceshouldnotbelessthan:A)2000μW/cm2B)1000μW/cm2C)800μW/cm2D)500μW/cm29.按照规程CXZJ-NDE07-04，磁粉检验前，被检区域和邻近区域至少范围内必须干燥并且不得有任何灰尘、油脂、纤维、氧化皮、焊渣、飞溅、油或其它会影响检验的外来物质。（D）A)10mmB)15mmC)20mmD)25mmAccordingtotheprocedureMR/QP005,priortomagneticexamination,thesurfacetobeexaminedandalladjacentareaswithinatleastshallbedryandfreeofanydirt,grease,lint,scale,weldingflux,spatter,oilorotherextraneousmatterthatcouldinterferewiththeexamination.A)10mmB)15mmC)20mmD)25mm10.在我公司使用哪一种技术来进行磁化?（D）A)触头法B)磁轭法C)线圈法D)上述全部Inourcompany,whichtechniqueisusedformagnetization?A)prodB)yokeC)coilD)alloftheabove11.在我公司哪种设备用于磁粉探伤？（C）A)WC-6B)230BC)B310SD)A或BInourcompany,whichequipmentwillbeusedformagneticparticleexamination?A)WC-6B)230BC)B310SD)AorB12.非荧光磁粉检验使用可见光，在检验和评定显示时，为了保证足够的灵敏度，需要的最小光强是：（B）A)500LxB)1000LxC)1500LxD)2000LxInMTwithnonfluorescentparticles,theexaminationisperformedusingvisiblelight.Aminimumlightintensityofisrequiredtoensureadequatesensitivityduringtheexaminationandevaluationofindications.A)500LxB)1000LxC)1500LxD)2000Lx13.按照规程CXZJ-NDE07-04，工件被检表面不得存在：（B）A)小于2mm的圆形显示B)相关的线状显示C)小于1.6mm的圆形显示D)大于1.6mm的圆形显示AccordingtotheprocedureMR/QP005,allsurfacestobeexaminedshallbefreeof:A)roundedindicationslessthan2mmB)relevantlinearindicationsC)roundedindicationslessthan1.6mmD)roundedindicationsgreaterthan1.6mm14.为了验证磁场强度是否足以检测缺陷，下列哪一种指示器最适宜用于湿磁粉检测？（B）A)磁场指示器B)人工缺陷试片C)上述A和BD)以上都不是Toverifytheadequacyofmagneticfieldstrength,whichfollowingindicatorisbestusedwithwetparticleprocedures?A)magneticparticlefieldindicatorB)artificialflawshimsC)bothAandBD)noneoftheabove15.按照规程CXZJ-NDE07-04，对非荧光磁粉湿磁悬液的浓度为（B）A)0.5~1.0ml/100mlB)1.2~2.4ml/100mlC)1.0~2.0ml/100mlD)1.5~2.5ml/100mlAccordingtotheprocedureMR/QP005,theconcentrationofwetmagneticsuspensionfornonfluorescentparticlesshallbeA)0.5~1.0ml/100mlB)1.2~2.4ml/100mlC)1.0~2.0ml/100mlD)1.5~2.5ml/100ml16.按照规程CXZJ-NDE07-04，磁粉检测时操作者至少应为级人员。（A）A)IB)IIC)IIID)IVAccordingtotheprocedureMR/QP005,theoperatorperformingmagneticparticletestingshallbequalifiedtoatleastA)IB)IIC)IIID)IV17.按照规程CXZJ-NDE07-04，磁粉检测时湿磁悬液和工件表面的温度不应超过（D）A)20℃B)30℃C)50℃D)57℃AccordingtotheprocedureMR/QP005,inmagneticparticletestingthetemperatureofthewetparticlesuspensionandthesurfaceofthepartshallnotexceed.A)20℃B)30℃C)50℃D)57℃18.按照规程CXZJ-NDE07-04，磁粉检测时在每一被检部位至少应分别进行几次检测？（B）A)一次B)二次C)三次D)四次AccordingtotheprocedureMR/QP005,howmanyexaminationsshallbeconductedatleastoneachareainspectedinmagneticparticletestingA)onceB)twiceC)thriceD)four19.规程CXZJ-NDE07-04可适用于（D）A)铁磁材料的表面不连续检测B)镍基材料的表面不连续检测C)铁磁材料的近表面不连续检测D)以上A和CTh