III级人员考试试题(基础考试)答案

1、basic examination for nde level 第11页 共11页上海阀门厂有限公司shanghai valve factory co., ltd.examination of ndt level iii for manufacturing asme code productsasme规范产品ndt iii级人员考试试题basic examination (time: 2.5 hrs)基础考试时间：2.5小时candidate/姓名grade/得分examiner/主考人date/日期in the following selecting questions, choose th

2、e letter represents the right answer into the brackets. 对下列选择题，选择代表正确答案的字母填入括号内。part a questions relating to snt-tc-1a document1. “asnt standards for qualification and certification of ndt personnel” requires the employer to establish a/an for the certification of ndt personnel: ( ) a. instruction b

3、. specification c. procedure d. code “asnt无损检测人员考核和发证标准”要求雇主建立一个 用于无损检测人员 的发证。 a. 导则 b. 技术条件 c. 规程 d. 规范2. nde personnel shall be classified into according to snt-tc-1a ? ( ) a. i, ii; b. i, ii, iii; c. i, ii, iii, iv; d. all of the above are not correct. snt-tc-1a把无损检验人员分为几个等级？ a. i, ii; b. i, ii,

4、iii; c. i, ii, iii, iv; d. 上述都不对。3. the minimum number of “general examination questions” for ut level i and mt level ii respectively, are: ( ) a. 40,30 b. 30,40 c. 30,20 d. 20,30 对ut i级和mt ii级来说，“通用考试”问题的最少数量分别为： a. 40,30 b. 30,40 c. 30,20 d. 20,304. ndt level i and level ii individual certificatio

5、ns shall expire at the end of: ( ) a. 2 years b. 3 years c. 4 years d. 5 years 无损检测i级和ii级人员资格证书应在 之后期满。 a. 2 年 b. 3 年 c. 4 年 d. 5 年5. a candidate should satisfy one of the following criteria for the applicable ndt level iii. which of the following statement is not true: ( )a. have graduated from a 4

6、 year college with a degree in engineering or science, plus oneyears experience in ndt in an assignment comparable to that of an ndt level ii in the applicable ndt method(s)b. have completed with passing grades at least 2 years engineering or science study at a university or technical school, plus 2

7、 years experience in ndt comparable to that of ndt level ii in applicable ndt method(s)c. have graduated from a technical school, plus 3 years experience in ndt comparable to that of ndt level ii in applicable ndt method(s)d. have 4 years experience in ndt comparable to that of ndt level ii in appli

8、cable ndtmethod(s) 对申请无损检测iii级资格来说，报考者应该满足下列条件之一。下面的叙述中哪一条 是不正确的？ a. 毕业于4年制大学取得工程或理学学位，在报考的无损检测方法上具有1年相当于ii 级程度的工作经验。 b. 以合格的成绩在大学或技术学校完成至少2年工程或科学的学习，并在所报考的方法上具有2年相当于ii级的经验。 c. 毕业于技术学校，并在所报考的ndt方法上具有3年相当于ii级的经验。 d. 在所报考的ndt方法上具有4年相当于ii级的经验。6. how many hours of training would be required for a person

9、 who has had not level qualification and directly applies for qualification of the nde level individual in accordance with snt-tc-1a? ( )a. corresponding to the hours required for level ; b. corresponding to the sum of hours required for level i and level ii ;c. all of the above are correct; d. all

10、of the above are incorrect.按照snt-tc-1a规定，如果某人无i级人员资格而直接申请考试ii 级无损检验人员，那么需要培训多长时间？a. ii级相应的培训时间; b. i和ii级相应的培训时间之和;c. 上述都对; d.上述都不对。7. snt-tc-1a stipulates that the employers certification ( ) a. can not be used in outside company; b. can be used in outside company; c. can be used by qualified outsid

11、e personnel; d. all of the above are correct. snt-tc-1a规定，某雇主签发的无损检验人员的资格证书： a.不可用于外单位; b.可用于外单位; c.直接用外单位有资格的人员; d.上面说法都对。8. how much time would be required for the initial training of a ut level ii individual who has had at least 2 years of engineering or science study level in a college or techni

12、cal school? ( )a. 40hours b. 30hours c. 29hours d. 39hours 把一个2年制大专或中专毕业生培养成一名ii级ut检验人员，首次培训规定需要多长时间？ a. 40小时 b. 30小时 c. 29小时 d. 39小时 9. how much time would be required for the initial training of a rt level i individual who has had a high school graduate or equivalent? ( )a. 39 hours b. 40 hours c.

13、 29 hours d. 35 hours 把一个高中毕业生或具有同等学历的人培养成i级rt检验人员，首次培训规定多长时间？ a. 39 小时 b. 40 小时; c. 29 小时 d. 35 小时10. how many ndt methods are included in recommended practice snt-tc-1a (2006 edition): ( ) a. 4 b. 9 c. 13 d. 14 在推荐的实施细则snt-tc-1a(2006版)中，包含有多少ndt方法： a. 4 b. 9 c. 13 d. 1411. in “leak testing method”

14、, which of the following is not included: ( ) a. liquid penetrant testing b. bubble leak testing c. pressure change measurement d. mass spectrometer method 在“泄漏检测方法”中，下列哪一种没有被包括： a. 液体渗透检测 b. 气泡泄漏检测 c. 压力变化测量 d. 质谱方法12. level iii individual certification shall expire at the end of: ( ) a. 2 years b.

15、 3 years c. 4 years d. 5 years iii级人员证书应在 结束之际终止。 a. 2 年 b. 3 年 c. 4 年 d. 5 年13. which of the statements about physical checkup of the nde personnel is right? ( )a. eye sight and distinguishing shall be examined annually. b. eye sight and distinguishing shall be examined every three years.c. eye sig

16、ht and distinguishing shall be separately examined every one and three years.d. eye sight and distinguishing shall be separately examined every three and one years.关于无损检验人员的视力和色彩对比分辨力检查下面几种说法，哪种是正确的？a. 每年检查一次视力和色彩对比分辨力；b. 每三年检查一次视力和色彩对比分辨力;c. 视力每年检查一次,色彩对比分辨力每三年检查一次;d. 视力每三年检查一次,色彩对比分辨力每年检查一次;14. a

17、trainee shall not independently the result of any ndt. which of the following is not true？ ( ) a. conduct b. interpret c. read d. report 一个受训者不应独立地 任何无损检测结果，下面哪一个不是真的？ a. 处理 b. 解释 c. 阅读 d. 报告15. an ndt level ii individual should be qualified to . which of the following is not true？( ) a. set up equi

18、pment b. calibrate equipment c. assist in establishing acceptance criteria when none are otherwise available d. interpret and evaluate results with respect to applicable codes, standards and specification 无损检测ii级人员应该在 方面被鉴定合格，下面哪一条不是真的？ a. 准备设备 b. 校正设备 c. 没有其它可用标准时帮助建立验收标准 d. 按照应用的规范、标准和技术条件解释和评定结果p

19、art b questions relating to materials, fabrication, and product technology16. the metallurgical effects, such as the change in grain size and shrinkage in welding are similar as occurred in: ( ) a. forging b. casting c. extruding d. rolling 冶金效应比如焊接中晶粒尺寸的改变和收缩，与在 中相似。 a. 锻造 b. 铸造 c. 挤压 d. 轧制17. pres

20、sure welding can be accomplished solely by pressure, but it usually requires additional : ( ) a. heat b. filling material c. oxidizing agent d. adhesive 压力焊能够只用压力来完成，但它通常需要附加的： a. 热 b. 填充材料 c. 氧化剂 d. 粘合剂18. in order to have consistant properties between weld and base metal, and also to the stress, m

21、any steel weldments are heat treated after welding. such treatment usually is: ( ) a. annealing b. tempering c. normalizing d. quenching 为了在焊缝和母材间具有一致的特性，同时也为了应力，许多钢焊缝在焊接后进行热处 理，这种处理通常是： a. 退火 b. 回火 c. 正火 d. 淬火19. if the weldments are rigidly fixed to prevent displacement during welding, high stress

22、 will be formed. after relieving the fixture, may be produced in the weldings: ( ) a. geometrical deformation b. high stress c. crack after cooling d. all of the above 焊接时为了防止位移，焊接件被牢牢地固定，这样会产生高应力。去除固定工装后， 焊接件可能会产生 : a. 几何变形 b. 高应力 c. 冷却后开裂 d. 上述全对20. in electric arc welding, arc is usually maintain

23、ed between electrode and : ( ) a. welding machine b. costing of electrode c. work piece d. shielding gas 在电弧焊中，电弧通常维持在电极和 之间： a. 焊机 b. 电极涂层 c. 工件 d. 保护气体21. the gases used for shield in welding are: ( )a. argon, nitrogen and carbon dioxideb. neon, fluorine and heliumc. sulphur dioxide, x argon and o

24、xygend. argon, nitrogen and hydrogen 焊接中保护用的气体是： a. 氩、氮和二氧化碳 b. 氖、氟和氦 c. 二氧化硫、氩和氧 d. 氩、氮和氢22. which of the following material characteristics may effect the acoustical attenuation in the material: ( ) a. grain size b. elastic modulus c. crystalline structure d. all of the above 下列材料特性中的哪一个会影响材料中的声衰减

25、？ a. 晶粒尺寸 b. 弹性模量 c. 晶体结构 d. 上述全对23. which of the following statements explains the difference between discontinuities and defects？ ( ) a. discontinuities may develop to be defects b. any discontinuities are of defectsc. any defects remain in work piece will cause rupture d. discontinuities are loca

26、ted on the surface of a workpiece, while defects are located within a workpiece 下面哪一种叙述解释了不连续和缺陷的区别？ a. 不连续可能发展成缺陷 b. 任何不连续是缺陷 c. 任何保留在工件中的缺陷将会引起破裂 d. 不连续位于工件表面，而缺陷则位于工件内部24. the welding process possessed with very high amount of heat and heat conversion is: ( ) a. brazing b. plasma welding c. press

27、ure welding d. submerged welding 具有大量热和热转换的焊接方法是： a. 钎焊 b. 等离子焊 c. 压力焊 d. 埋弧焊25. if anticorrosion is necessary, which property of the material should be mostly considered？ ( ) a. processing property b. mechanical property c. physical property d. chemical property 如果材料要抗腐蚀，应主要考虑它的哪一个特性？ a. 加工性能 b. 机械

28、性能 c. 物理性能 d. 化学性能26. a bar with 12 inches in length, 2 inches in width and 1 inch in thickness is under tensile testing with a load of 36,000 pounds in the direction of its length. what is the tensile stress in the bar？ ( ) a. 1,500 psi (pound per square inch) b. 3,000 psi c. 12,000 psi d. 18,000ps

29、i 一根棒长12英寸、宽2英寸、厚1英寸，用长方向36,000磅的力做抗拉试验，棒中的拉 伸应力是多少？ a. 1,500 psi (每平方英寸磅) b. 3,000 psi c. 12,000 psi d. 18,000psi27. the elastic modulus is used to measure the of material: ( ) a. tensile strength b. pressure stress c. yield point d. ductility 弹性模量用来测定材料的 : a. 抗拉强度 b. 压应力 c. 屈服点 d. 韧性28. when stren

30、gth of pressure stress is only required in application, which material is typically to be considered？ ( ) a. low carbon steel b. high carbon steel c. cast iron d. magnesium 应用中只要求压应力强度时，通常考虑哪一种材料？ a. 低碳钢 b. 高碳钢 c. 铸钢 d. 镁29. the process for recovering the ductility of low carbon steel which has been

31、 cold worked, is called: ( ) a. separation b. recrystallization c. crystallization d. austenization 恢复经冷加工后低碳钢韧性的处理方法称为： a. 分离 b. 再结晶 c. 结晶 d. 奥氏体化30. recrystallization as a process can of steel: ( ) a. improve ductility b. reduce grain size c. reduce hardness d. all of the above 再结晶作为一种处理方法能够对钢 : a

32、. 提高韧性 b. 降低晶粒尺寸 c. 降低硬度 d. 上述全对31. the ndt method that can measure the change in conductivity due to heat treatment, is: （ ) a. mt b. ae c. et d. vt 能够测量热处理后导电率变化的无损检测方法是： a. mt b. ae c. et d. vt32. metal corrosion which is accelerated under loading, is called: ( ) a. rust corrosion b. electrical c

33、orrosion c. electro-chemical corrosion d. stress corrosion 金属腐蚀在受载下加速被称为： a. 锈蚀 b. 电腐蚀 c. 电化学腐蚀 d. 应力腐蚀33. which of the following can be used to prevent corrosion？ ( ) a. stress relief b. anodizing c. electroplating d. galvanizing e. all of the above 下面哪一种可用来防腐蚀？ a. 应力释放 b. 阳极化 c. 电镀 d. 镀锌 e. 上述全对34

34、. the percentage of carbon in low carbon steel is within: ( ) a. 0.6%-2.5% b. 0.06%-0.25% c. 0.5%-1.6% d. 5%-16% 低碳钢中碳的百分比在： a. 0.6%-2.5% b. 0.06%-0.25% c. 0.5%-1.6% d. 5%-16%35. which of the following is the most important non-ferrous metal used for construction？ ( ) a. copper alloy b. nickel alloy

35、 c. zinc alloy d. aluminum alloy 下面哪一种是建造中所使用的最重要的非铁素体金属？ a. 铜合金 b. 镍合金 c. 锌合金 d. 铝合金part c questions relating to other appropriate ndt methods36. which of the items listed below is not an advantage of the liquid penetrant method？ ( ) a. the method can find all types of discontinuities b. the method

36、 is simple in principle and relatively easy to understand c. the method is essentially simple in application d. there are few limitations on the size and shape of the article that can be tested by this method 下面所列中哪一条不是液体渗透方法的优点？ a. 该方法能发现所有类型的不连续b. 该方法在原理上简单并且相对容易理解c. 该方法在应用上是相当简单的d. 用这种方法检测工件在尺寸和形

37、状上很少有限制37.when conducting a penetrant test, spherical indication on the surface of the part could be interpreted as: ( ) a. fatigue cracks; b. porosity; c. weld lap; d. hot tear.在进行pt检验时工件表面上出现的圆形显示可能代表何种缺陷？a.疲劳裂纹; b.气孔; c.未熔合; d.热裂纹。38.the tendency of liquid penetrant enter into a discontinuity is

38、primarily related to ( )a.viscosity of the penetrant; b. capillary force; c. chemical inertness of the penetrant; d. specific gravity of the penetrant.液体渗透剂进入缺陷中的倾向主要取决于下面哪种因素？a.渗透剂的粘度; b.毛细作用力; c.渗透剂的化学稳定性; d.渗透剂的比重。39. most commercial penetrants have a specific gravity of: ( ) a. less than one b.

39、1.1 c. more than one d. 0.9 大多数商业渗透剂具有的比重是： a. 小于1 b. 1.1 c. 大于1 d. 0.940. the best type of penetrant for locating wide, shallow discontinuities is: ( ) a. water-washable fluorescent penetrant b. post emulsification fluorescent penetrant c. water emulsifiable visible dye pentrant d. solvent removabl

40、e dye penetrant 探测宽而浅的不连续，最好的渗透探伤方法是： a. 水洗荧光渗透 b. 后乳化荧光渗透 c. 水乳化着色渗透 d. 溶剂去除着色渗透41. which of the following is not a recommended method for cleaning a surface prior to a liquid penerant test? ( ) a. acid etching b. vapor degreasing c. liquid solvent d. sand blasting 下面哪一种不是推荐的用于液体渗透前清洗表面的方法? a. 酸洗 b

41、. 蒸汽除油 c. 液体溶解 d. 喷砂42. which of the following discontinuities could produce a penetrant indication of a series of aligned dots: ( ) a. a light crack b. a wide or gross crack c. an open seam d. random porosity 下面哪一种不连续会产生一系列成直线的点的渗透显示? a. 一条紧密裂纹 b. 一条宽或粗大的裂纹 c. 一条开口的裂痕 d. 任意分布的气孔43. the change in di

42、rection of an ultrasonic beam when it passes from one medium to another whose velocity differs from that of the first medium is called ( )a. refraction; b. rarefaction; c. angulation; d. reflection .当声束由一种介质进入第二种声速不同的介质中时，方向将发生变化，这种现象叫做什么？a.折射; b.膨胀; c.角度调整; d.反射。44. generally, the best ultrasonic t

43、esting method for detecting discontinuities oriented along the fusion zone in a welded plate is ( ) a. an angle beam contact method using surface waves; b. a contact test using a straight longitudinal wave; c. an immersion test using surface wave; d. an angle beam method using shear waves .通常检验板焊缝熔合

44、区缺陷最适宜的超声波探伤方法是什么？a.斜射波接触表面波法; b.直射纵波接触法; c.表面波水浸法; d.斜射横波法。45. the process of adjusting an ultrasonic instrument or device to a reference standard is referredas: ( ) a. angulation b. scanning c. correcting for distance-amplitude variations d. calibration 把超声仪器或装置调整到参考标准的方法是指： a. 测角 b. 扫描 c. 距离波幅变化修正 d. 校正46. an electron tube in which a beam of electrons from the cathode is used to reproduce an image on a fluorescent screen at the end of the tube is referred to as: ( ) a. an amplifier tube b. a pulse tube c. a cathode ray tube d. a sweep tube 电子管里从阴极出来的一束电子在管子末端的荧光屏上产生一幅图像，这个电子管被称为： a.