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- Question 1 of 50
1. Question
1. A common application of an aluminium block containing quench cracks is to:
CorrectIncorrect - Question 2 of 50
2. Question
Which of the following is not (!) an advantage of a water washable fluorescent
penetrant process?CorrectIncorrect - Question 3 of 50
3. Question
3. When using a water washable penetrant testing process, why should the water rinse
temperature remain constant?CorrectIncorrect - Question 4 of 50
4. Question
4. What is the proper technique for removal of excess penetrant from a part when using a
water washable penetrant process?CorrectIncorrect - Question 5 of 50
5. Question
5. Which type of developer would you use to obtain the highest sensitivity test results?
CorrectIncorrect - Question 6 of 50
6. Question
6. What type of penetrant process would be best suited to an application at near freezing
temperatures?CorrectIncorrect - Question 7 of 50
7. Question
7. Which type of developer does not (!) provide a contrasting background against which
to view penetrant indications?CorrectIncorrect - Question 8 of 50
8. Question
8. Which type of developer should not be used with a visible dye penetrant process?
CorrectIncorrect - Question 9 of 50
9. Question
9. Why might steel parts have a greater tendency towards rusting after penetrant testing?
CorrectIncorrect - Question 10 of 50
10. Question
10. The most significant advantage of the visible solvent removable penetrant process is?
CorrectIncorrect - Question 11 of 50
11. Question
11. Correct developer coating thickness is indicated by:
CorrectIncorrect - Question 12 of 50
12. Question
12. Which penetrant test processes commonly use the same penetrants?
CorrectIncorrect - Question 13 of 50
13. Question
13. Mercury vapour black lights may be extinguished if the supply voltage drops below
about:CorrectIncorrect - Question 14 of 50
14. Question
14. The output of a mercury vapour black light depends on:
CorrectIncorrect - Question 15 of 50
15. Question
15. When a mercury vapour black light is first turned on, what minimum warm-up time is
normally required?CorrectIncorrect - Question 16 of 50
16. Question
16. When a mercury vapour black light is inadvertently cut off, approximately how long
should it be allowed to cool before attempting to restart?CorrectIncorrect - Question 17 of 50
17. Question
17. A soft aluminium test piece is to be penetrant tested. The piece has previously been
sand blasted to remove tightly adhering soils. What additional surface preparation
should be performed?CorrectIncorrect - Question 18 of 50
18. Question
18. Dried, non-aqueous developers are best removed after penetrant testing by:
CorrectIncorrect - Question 19 of 50
19. Question
19. The most important penetrant test processing time to control is:
CorrectIncorrect - Question 20 of 50
20. Question
20. A penetrant which contains an emulsifier is called:
CorrectIncorrect - Question 21 of 50
21. Question
21. A penetrant which requires a separate emulsification step prior to removal from the
surface of the test piece is called?CorrectIncorrect - Question 22 of 50
22. Question
22. The chief advantage of using a water washable penetrant process is:
CorrectIncorrect - Question 23 of 50
23. Question
23. While performing a fluorescent water washable penetrant test, which of the following
steps should be performed under black light?CorrectIncorrect - Question 24 of 50
24. Question
24. What are the two most important properties in determining the penetrating ability of a
penetrant?CorrectIncorrect - Question 25 of 50
25. Question
25. The human eye is most sensitive to which of the following types of light?
CorrectIncorrect - Question 26 of 50
26. Question
26. What amount of time is normally considered necessary for dark adaption of the eyes
prior to performing a fluorescent penetrant test?CorrectIncorrect - Question 27 of 50
27. Question
Which of the following is not normally recommended?
CorrectIncorrect - Question 28 of 50
28. Question
What is the most common source of penetrant bath contamination?
CorrectIncorrect - Question 29 of 50
29. Question
Which of the following is normally considered acceptable practice?
CorrectIncorrect - Question 30 of 50
30. Question
A penetrant testing method in which an emulsifier, separate from the penetrant, is used
is called:CorrectIncorrect - Question 31 of 50
31. Question
A penetrant testing method in which the degree of washability can be controlled by the
operator is called:CorrectIncorrect - Question 32 of 50
32. Question
Open, shallow discontinuities are best detected by which penetrant testing method?
CorrectIncorrect - Question 33 of 50
33. Question
An advantage of the post emulsifiable penetrant testing process is that:
CorrectIncorrect - Question 34 of 50
34. Question
A disadvantage of the post emulsifiable penetrant process is that:
CorrectIncorrect - Question 35 of 50
35. Question
Acceptable methods to apply emulsifier are:
CorrectIncorrect - Question 36 of 50
36. Question
An advantage of emulsifier application by dipping is:
CorrectIncorrect - Question 37 of 50
37. Question
Emulsification time is less critical for the detection of:
CorrectIncorrect - Question 38 of 50
38. Question
Over washing during excess penetrant removal is less likely with which penetrant
testing process?CorrectIncorrect - Question 39 of 50
39. Question
The fluorescent dyes used in the liquid penetrant testing process are most active when
energised with black light of what wavelengths? (Å stands for angstrom units)CorrectIncorrect - Question 40 of 50
40. Question
Application of penetrant to a test piece may be by:
CorrectIncorrect - Question 41 of 50
41. Question
41. The penetrant process best suited to use on parts with rough surfaces is:
CorrectIncorrect - Question 42 of 50
42. Question
42. The penetrant process best suited for the detection of very fine discontinuities is:
CorrectIncorrect - Question 43 of 50
43. Question
43. The penetrant process best suited for use on parts with keyways and threads is:
CorrectIncorrect - Question 44 of 50
44. Question
44. Indications which are caused by design or construction of the test piece are called?
CorrectIncorrect - Question 45 of 50
45. Question
45. Indications which are caused by something other than a discontinuity are called:
CorrectIncorrect - Question 46 of 50
46. Question
Which of the following discontinuities would you not expect to find in a casting?
CorrectIncorrect - Question 47 of 50
47. Question
Which type of casting is made in a metal mould?
CorrectIncorrect - Question 48 of 50
48. Question
The act of determining the cause of an indication is called
CorrectIncorrect - Question 49 of 50
49. Question
The act of determining the effect of a discontinuity of the usefulness of a part is called:
CorrectIncorrect - Question 50 of 50
50. Question
Contaminants which are commonly limited in penetrant materials are:
CorrectIncorrect