50 Question PT quiz

1. Dry developer should be applied:

2. An important difference between non water soluble penetrants and water washable penetrants is:

3. The tendency of a liquid penetrant to enter a discontinuity is primarily related to:

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

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

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

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

8. The tendency of a liquid penetrant to enter a discontinuity is primarily related to:

9. Which of the following types of discontinuities will not be detected by the liquid penetrant test method?

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

11. During a penetrant test, water was used to remove the surface penetrant after the penetrant dwell. The surface:

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

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

14. The term non-relevant indication is used to describe certain types of penetrant testing indications. Which of the following would be a typical non-relevant indication?

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

16. A fluorescent water-washable test system uses spray application of penetrant and a storm cabinet (cloud chamber) for application of dry developer. At what locations should black light be available?

17. Which of the following is true concerning drying of parts in an oven prior to application of dry developer?

18. Why is it advisable to have a black light installed at the wash station?

19. The penetrant indication of a forging lap will normally be:

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

21. Fluorescent materials used in fluorescent penetrants respond most actively to radiant energy, of a wavelength of approximately:

22. Which of the following is most apt to render the post-emulsification test ineffective?

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

24. If the ultra-violet lamp being used for inspection has a cracked filter:

25. Emulsifier time:

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

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

28. Which of the following is a recommended method of application of lipophilic emulsiflers?

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

30. The excess penetrant removal technique that removes the most penetrant from discontinuities is:

31. Which of the foflowing could be a source of false indications on a test specimen?

32. Which of the following is not a recommended method of removing grease from a surface of a part to be penetrant tested?

33. Which of the following penetrant inspection processes is generally agreed to be the most sensitive and reliable?

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

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

36. The penetrant most easily removed from wide, shallow discontinuities is:

37. Which of the following is TRUE when solvent precleaners are used prior to penetrant inspection?

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

39. Penetrant dwell time is dependant on:

40. When carrying out penetrant leak testing:

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

42. The part is an aluminium casting. Description - the casting has a very complex design. In one section there is a flat area having a thickness of 3 mm (1/8). In the centre of this area is a round section, 50mm (2) thick and 25mm (1) in diameter. There are linear indications about one-half the distance around the base where it joins into the thin section. The indication is termed:

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

44. Pickling is a process used to

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

46. The most difficult developers to remove are the

47. Which of the following characteristics are normally considered when selecting the type of penetrant to be used in a penetrant test?

48. An overhaul facifity regularly penetrant tests aluminium alloy aircraft wheels from service in order to detect fatigue cracks. Which of the following would be the most efficient final cleaning process before penetrant testing?

49. Cast grey iron would be inspected using what inspection technique:

50. The flash point of a fluorescent penetrant is:

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