50 Question PT quiz

1. An important difference between non-water-washable penetrants and water-washable penetrants is that:

2. Which of the following discontinuities might be found in rolled plate?

3. The part is a 12.5 mm (1/2) thick aluminium plate with a Vee weld. Description - the indication appears in an area that is somewhat dish-shaped. The indication extends out from the centre in a spoke formation. The indication is:

4. Which of the following is a purpose of the drying process used in penetrant testing?

5. Which of the following is not a form in which penetrant developer is commonly available?

6. The greater the blacklight intensity and the lower the ambient white light intensity

7. In NDT, a response or evidence of response which requires interpretation to determine its significance is called

8. Which of the following contaminants could affect the sensitivity of a penetrant?

9. Which of the following is a discontinuity that might be found in a forging?

10. Water-washable liquid penetrants differ from post-emulsification penetrants in that water-washable penetrants:

11. Shrinkage cracks or hot tears are usually found in what areas of a casting?

12. A part being processed through a fluorescent water-washable penetrant system was inadvertently left to drain overnight after the application of penetraut. What action should be taken?

13. A commonly used method of checking the overall performance of a penetrant system is by:

14. Which discontinuities are more dangerous?

15. How is the degree of washing assessed when removing fluorescent penetrant:

16. Of the methods listed below, the most effective means of precleaning a test item prior to a penetrant test is:

17. Emulsifier time:

18. The function of the emulsifier in the post-emulsification penetrant method is to:

19. When carrying out penetrant leak testing:

20. A crack type discontinuity will generally appear as:

21. A term used to define defect is:

22. The emulsifier in the post-emulsifiable penetrant method:

23. Developer assists in the detection of the visible dye penetrant test indications by:

24. Aluminium alloy test specimens that have been tested by the liquid penetrant method should be thoroughly cleaned after testing because:

25. Prior to penetrant testing of a soft metal part, which of the following cleaning methods would best remove any smeared metal?

26. Which of the following discontinuities could be classified as an inherent discontinuity often found in cast material?

27. Which of the following is TRUE concerning final inspection after fluorescent penetrant processing?

28. Which of the following discontinuities might be found in a welded fabrication?

29. Which of the following discontinuities would be impossible to detect using a liquid penetrant test?

30. The penetrant indication for a cold shut on the surface of a casting will be:

31. Which of the following discontinuities could be classified as a service induced discontinuity?

32. Which of the following is the most cost effective method of application of penetrant when fine fatigue cracks are to be detected?

33. Which of the following is TRUE concerning vapour degreasing prior to penetrant inspection?

34. Penetrant residues may become entrapped under splines, fasteners, rivets, etc. Which of the following is the most likely reaction caused by such a residue?

35. The part is an aluminium forging. Description - the indication is sharp, half-moon shape, not deep, and is called a:

36. When improper processing causes inspection difficulties, what should the inspector do?

37. Which of the items listed below is not an advantage of the liquid penetrant test method?

38. An NDT procedure specifies a minimum penetrant dwell period of 30 minutes. What dwell period should be used if the component was to be inspected at a temperature of 5 degrees Celsius?

39. Which of the following statements concerning developers is NOT true?

40. Which of the following is a discontinuity that might be found in rolled bar stock?

41. Water washable penetrants are the best type of penetrant to use when:

42. The ability to visually identify a discontinuity using liquid penetrant depends upon:

43. Which of the following statements concerning contaminating materials on the surface of a part to be penetrant tested is not true?

44. Which of the following physical properties, more than any other, determines what makes material a good penetrant?

45. When penetrant testing for shallow discontinuities using a post emulsification penetrant, the emulsification time should belong enough to:

46. Which of the following is an advantage of fluorescent penetrants over visible type penetrants?

47. Which of the following is a possible cause for false penetrant indications?

48. A part to be penetrant tested has just been removed from a vapour degreaser. What is the next step in processing?

49. Which of the following disconthiuities could be classified as a finishing processing discontinuity?

50. Which of the following is an advantage of visible dye penetrants over fluorescent penetrants?

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