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1、磁粉II级规范考试试卷 磁粉II级规范考试试卷 MT Level II Specific Examination 姓名： 答卷时间： 地点： Name Time Location 得分： 评卷人： 时间： Marks Examiner Date 1. 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) 45A/mm B) 3.64.4A/mm C) 68A/mm D) 上述均可 For MT of 40mm thick material with prod technique, the magnetization current shall be : A) 45A/m
2、m B) 3.64.4A/mm C) 68A/mm D) all of the above 2. 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, 75mm B) 150mm, 75mm C) 200mm, 50mm D) 150mm, 50mm For the prod technique, prod spacing shall not exceeds _mm, but prod spacing of less than _mm are usually not practical. A) 200mm, 75mm B) 150mm,
3、 75mm C) 200mm, 50mm D) 150mm, 50mm 3. 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10kg B) 直流磁轭为10kg，交流磁轭为2kg C) 直流磁轭为18kg，交流磁轭为4.5kg D) 直流磁轭为100kg，交流磁轭为50kg For yoke technique, alternating or direct current electromagnetic yokes shall have a minimum lifting power at the maximum pole
4、spacing. They are: A) direct current electromagnetic yokes 25kg, AC yoke 10kg B) direct current electromagnetic yokes 10kg, AC yoke 2kg C) direct current electromagnetic yokes 18kg, AC yoke 4.5kg D) direct current electromagnetic yokes 100kg, AC yoke 50kg 4. 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
5、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 For MT of parts, which L/D ratios is less than 4 but not less than 2, with longitudinal magnetization technique, the magnetizing ampere-turns shall be determined as follows: (L-the length of the part, D-the diameter of the p
6、art) A) DLturnsAmpere/4500= B) 2/35000+=DLturnsAmpere C) 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 Which magnetization technique is best suited to detect surface defects along its length for tubular
7、product with outer diameter 100mm, thickness 10mm, and length 50mm. A)direct contact technique B)magnetization is produced by passing a current through a multiturn coil C)central conductor induced magnetization technique D)prod technique 6. 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
8、 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C Magnetic particle field indicator: A) is intended as a quantitative indicator of field strength or distribution B) reflects only field strength and direction at the surface and in the area of the part under test C) may be used as a convenient rough check of
9、 the adequacy and direction of part magnetization D) b and c 7. 荧光磁粉磁悬液浓度为： （ B ） A) 0.51ml/100ml B) 0.10.5ml/100ml C) 0.10.5ml/100ml D) 0.21ml/100ml Concentration of fluorescent magnetic particle suspensions is: A) 0.51ml/100ml B) 0.10.5ml/100ml C) 0.10.5ml/100ml D) 0.21ml/100ml 8. 进行荧光磁粉检验时，被检物体表面
10、处的黑光强度在用适当的黑光计测定时应不小于： （ B ） A) 2000W/cm2 B) 1000W/cm2 C) 800W/cm2 D) 500W/cm2 When measured with a suitable black-light meter, the black light intensity at the examination surface should not be less than: A) 2000W/cm2 B) 1000W/cm2 C) 800W/cm2 D) 500W/cm2 9. 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
11、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) 10mm B) 15mm C) 20mm D) 25mm According to the procedure MR/QP005, prior to magnetic examination, the surface to be examined and all adjacent areas within at least shall be dry and free of any dirt, grease, lint, scale, welding flux, spatter, oil or
12、 other extraneous matter that could interfere with the examination. A) 10mm B) 15mm C) 20mm D) 25mm 10. 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 In our company, which technique is used for magnetization? A) prod B) yoke C) coil D) all of the above 11. 在我公司哪种设备用于磁粉探伤？ （ C ） A) WC-6 B) 230
13、B C)B310S D) A或B In our company, which equipment will be used for magnetic particle examination? A) WC-6 B) 230B C) B310S D) A or B 12. 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) 500Lx B) 1000Lx C) 1500Lx D) 2000Lx In MT with nonfluorescent particles, the examination is performed using vis
14、ible light. A minimum light intensity of is required to ensure adequate sensitivity during the examination and evaluation of indications. A) 500Lx B) 1000Lx C) 1500Lx D) 2000Lx w w w . b z f x w . c o m 13. 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
15、According to the procedure MR/QP005, all surfaces to be examined shall be free of: A) rounded indications less than 2mm B) relevant linear indications C) rounded indications less than 1.6mm D) rounded indications greater than 1.6mm 14. 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)
16、上述A和B D) 以上都不是 To verify the adequacy of magnetic field strength, which following indicator is best used with wet particle procedures? A) magnetic particle field indicator B) artificial flaw shims C) both A and B D) none of the above 15. 按照规程CXZJ-NDE07-04，对非荧光磁粉湿磁悬液的浓度为 （ B ） A) 0.51.0ml/100ml B) 1.22.4ml/100ml C) 1.02.0ml/100ml D) 1.52.5ml/100ml According to the procedure MR/QP005, the concentration of wet magnetic suspension for nonfluorescent particles shall be A) 0.51.0ml/100ml B) 1.22.4ml/1
