ASME射线II级规范考试试卷.pdf

射线II级规范考试试卷 射线II级规范考试试卷 RT 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. 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， 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，的影像应出现在照相底片上 A lead symbol “B“, with minimum dimensions of 13mm in height and 1.5mm in thickness, shall be attached to the back of each film holder in radiography. The purpose of it is: A) a part of identification on the radiograph B) to protect from backscatter and to improve the quality of the radiograph C) as a check on backscattered radiation D) that symbol “B“ shall be appeared on radiographic images in normal condition 2. 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 Where inaccessibility prevents hand placing the IQI(s) on the source side, it shall be placed on the film side in contact with the part being examined, a lead letter “F” shall be placed: A) adjacent to or on the IQI(s) B) on weld C) as possible as far D) none of above is correct 3. 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, Dmax4.00 B) Dmin2.13, Dmax3.25 C) Dmin2.00, Dmax3.25 D) 以上都不对 The film density through the radiographic image of the IQI body is2.5, which pair of data is correct when the single-wall technique be used. A) Dmin2.13, Dmax4.00 B) Dmin2.13, Dmax3.25 C) Dmin2.00, Dmax3.25 D) 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 If the density of the radiograph anywhere through the area of interest varies by more than minus 15% or plus 30% from the density through the body of the IQI, but varies the minimum/maximum allowable density ranges specified in code. A) this radiograph is acceptable B) an additional IQI shall be used for each exceptional area or areas and the radiograph shall be retaken C) none of the above is correct 5. 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%t B) 孔深为2%t，孔径为4%t C) 孔深和孔径均为22%t D) 孔深为4%t，孔径为2%t * t-为透照厚度。 The quality level required for radiography is 2-2T generally, which hole on the penetrameter shall be appeared on the radiograph？ A) both depth and diameter of hole are 2%t B) depth of hole is 2%t and diameter of hole is 4%t C) both depth and diameter of hole are 22%t D) depth of hole is 4%t and diameter of hole is 2%t 6. 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，C Source side location markers shall be used when radiographing: A) joints of flat components or longitudinal joints in cylindrical or conical components B) curved components whose concave side is toward the source and when the source to material distance is less than the inside radius of the component C) curved components whose convex side is toward the source D) all of the above are correct 7. 用双壁单投影法透照32516mm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2.03mm B) 0.66mm和4.06mm C) 0.36mm和4.06mm D) 0.36mm和2.03mm With using double-wall technique and single-wall viewing, one weld in pipe with NPS 32516mm and the single-wall reinforcement 2mm shall be performed radiography with EPS 2%. The thickness of IQI and shims should be: A) 0.66mm and 2.03mm B) 0.66mm and 4.06mm C) 0.36mm and 4.06mm D) 0.36mm and 2.03mm 8. 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 For cylindrical vessel radiography, where the source is placed on the axis of the object and a complete circumference or portion of the circumference is radiographed with a single exposure, in this case, how many IQIs shall be used at least? A) one B) two C) three D) none is correct 9. 用射线源内置法透照环缝时，若(1)FR；(2)FR; (2)F89mm的焊缝进行， 射线检验时， 如果不能使用单壁技术则应采用哪种技术？ （ A ） w w w . b z f x w . c o m A) 双壁曝光单壁观察 B) 双壁曝光双壁观察 C) A、B都可以 For welds of pipes with outside diameters greater than 89mm, which technique shall be used if single-wall technique can not be used in radiographic examination? A) double-wall exposure and single-wall viewing B) double-wall exposure and double-wall viewing C) both A and B 19. 按ASME规范，按照其它国家标准设计和制作的像质计能否被使用？ （ C ） A) 能使用 B) 不能使用 C) 如果一些要求得到满足可以使用 D)上述都不对 According to ASME code, whether or not IQIS designed and manufactured in accordance with other national standards can be used? A) can be used B) can not be used C) may be used if some requirements are met D) none of the above is correct 20. 按ASME规范，哪个文件可被接受作为射线源尺寸的证明？ （ D ） A) 技术手册 B) 衰减曲线 C) 书面声明 D) 上述都可以 According to ASME code, which document could be acceptable as source size verification? A) technical manuals B) decay curves C) written statements D) all of the above 21. 密度计在使用过程中至少应多少时间校验一次？ （ B ） A) 30天 B) 90天 C) 半年 D) 一年 How many times shall densitometers be calibrated at least during use? A) 30 days B) 90 days C) half a year D) one year 22. 射线照相时 （ A ） A) 位置标记应放在工件上，而不能放在曝光暗袋或暗盒上 B) 位置标记应放在曝光暗袋或暗盒上 C) 位置标记可放在工件的任何一侧 D) 上述都不对 When radiographing: A) Location markers shall be placed on the part, not on the exposure holder/cassette B) Location markers shall be placed on the exposure holder/cassette C) Location markers shall be placed on either side of the part D) none of the above is correct 23. 为了吸收原始辐射中较软的成分，通常在射线源与胶片之间放置一种均匀的材料即滤板， 滤板应 （ A ） A) 尽可能接射线源，这样能使滤板尺寸最小，并且也能使滤板本身造成对胶片散射辐射的 影响达到最小 B) 尽可能远离射线源，接近试样，这样能使效果更佳 C) 在试样与胶片之间，以最优先吸收来自试样的散射辐射 D) 上述A和C In order to absorb the softer components of the primary radiation, an uniform layers of material as usual are placed between the radiation source and the film. This material is called filter. A) As close as possible to the radiation source, which minimizes the size of the filter and also the contribution of the filter its self to scattered radiation to the film B) As far as possible to the