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Dye Penetrant Lvl I

Intro to NDT

1. Which one of the following conditions will affect the rate and the extent a liquid penetrant will enter cracks, fissures, and other small openings?
2. Which of the following is a commonly used classification for penetrant?
3. A generally accepted method for removing excess non-water-washable penetrant is:
4. All of the following parts can be tested by the liquid penetrant method except:
5. Which of the following discontinuities can be found by the penetrant test method?
6. Which of the following is generally the more acceptable method for cleaning parts prior to penetrant testing?
7. All of the following methods are commonly used to clean parts prior to penetrant testing except:
8. Cutting oils may be effectively removed from parts before penetrant testing by:
9. The most common type of contaminant in fluorescent penetrant fluid is:
10. Black light, with a proper functioning filter in place, used for fluorescent penetrant inspection can cause permanent damage to:
11. All of the following basic inspection principles apply to the penetrant methods except:
12. Subsurface discontinuities can be best detected by
13. Visible penetrant may be applied by:
14. The first step in conducting a liquid penetrant test on a surface that has been painted is to:
15. When using a post-emulsification penetrant, it is necessary to apply the emulsifier:
16. When conducting a water-washable liquid penetrant test, the wet developer is applied:
17. The term used to describe the action of a particular developer soaking up the penetrant in a discontinuity, so as to cause the maximum bleed-out of the liquid penetrant for increased contrast and sensitivity, is known as:
18. Using a black light lamp with a cracked filter or without the filter in place can cause damage to human eyes because the lamp emits:
19. The term used to define the period of time in which the last part is covered with penetrant is:
20. Usually, the most desirable method of removing excess water-washable penetrant after the dwell time is by using:
21. When conducting a liquid penetrant test using a post-emulsifiable visible dye penetrant, the generally accepted method for applying the wet developer is by:
22. Which of the following characteristics does not apply to liquid penetrant testing?
23. Which of the following discontinuities is most likely to be missed due to improper rinse techniques?
24. When conducting a fluorescent penetrant test, a commonly used technique for assuring that the excess penetrant has been removed prior to the application of a developer is to:
25. Which of the following surface conditions could have a detrimental effect on a liquid penetrant test?
26. Liquid penetrant testing is capable of detecting:
27. Black light equipment is required when penetrant testing by:
28. The term used to define the tendency of certain liquids to penetrate into small openings such as cracks or fissures is:
29. Excess penetrant (all penetrant except that which is in discontinuities) is removed from the specimen:
30. When using a post-emulsifiable penetrant, the emulsifier time should be:
31. When an inspector is working in a darkened area, he/she should become adjusted to the dark before inspecting parts. The generally accepted time period for becoming accustomed to the dark is:
32. When applying penetrant by dipping, heating the penetrant prior to dipping:
33. A penetrant inspection cannot find:
34. All of the following materials can be tested by the usual liquid penetrant tests except:
35. Liquid penetrant testing can be used to detect:
36. Which of the following are commonly accepted methods for apply penetrants?
37. A solvent used to clean the surface of a test specimen must possess all of the following characteristics except that the:
38. Which of the statements below best states the danger of sandblasting (without subsequent chemical etching) for cleaning surfaces to be penetrant tested?
39. The penetrant applied to the surface of a test specimen:
40. Which of the following statements concerning liquid penetrant testing is correct?
41. When removing excess penetrant from the surface of a test specimen:
42. The most widely accepted method for removing excessive water-washable penetrant from the surface of a test specimen is by:
43. The inspection of a test specimen for discontinuities should take place:
44. What is the advantage of visual dye penetrants over fluorescent penetrants?
45. The terms “dry”, “aqueous wet,” and “non-aqueous wet” are used to describe three different types of:
46. Which of the following is true statement concerning the application of a standard temperature penetrant to a test specimen while the specimen is hot?
47. Which of the following is not generally accepted method for applying penetrants?
48. Which of the following is the most commonly used method for removing non-water-washable visible dye penetrant from the surface of a test specimen?
49. What is the best method for applying wet developers?
50. When using solvent-removable penetrants, the excess penetrant may be removed by:
51. While conducting a penetrant test, all of the following health precautions should be applied except:
52. Which of the following surface contaminants cannot be removed by cleaning parts in a vapor degreaser?
53. Before conducting a liquid penetrant test, it is important to ensure that the surface of the part is free of:
54. When performing a penetrant test using a post-emulsification penetrant, which of the following is the most critical with respect to proper timing?
55. What could be the result of excessive emulsification time when penetrant testing with post emulsification penetrants?
56. In penetrant testing, developers should be able to perform all of the following functions except:
57. Which of the following is the primary limitation of liquid penetrant testing?
58. In penetrant testing, the time period from developer application to inspection is often referred to as the:
59. Liquid penetrant is a nondestructive test that can be used for:
60. When conducting a penetrant test using fluorescent penetrant, black light equipment is required to:
61. The method used to remove excess visible dye penetrant from a test specimen is primarily determined by:
62. Which of the following is a type of developer used in penetrant inspection?
63. When penetrant testing parts, the temperature of the parts should be near room temperature. If the part is at low temperature when testing, the:
64. If a part to be penetrant tested is first heated to a high temperature, the penetrant:
65. Penetrants may be classified or subdivided by the method used to remove excess penetrant. Which of the following is a proper classification in accordance with this statement?
66. The problem with retesting a test specimen that has been previously tested using liquid penetrant is that:
67. Which of the following conditions will decrease the life of a black light bulb?
68. When a penetrant is applied to a part by submerging the part in a penetrant bath, the part must:
69. Which of the following statements does not apply to developers used during penetrant testing?
70. Which of the following statements is true?
71. When using a wet developer:
72. Which of the following statements is false?
73. A red against white background discontinuity image is most likely to be seen when:
74. Which of the following can be removed from the surface of a test specimen by vapor degreasing?
75. The purpose for using a developer on a test specimen is to:
76. Which one of the following statements is an incorrect use of crack panels (blocks)?
77. Which of the following is generally accepted as the most important precaution when using water-washable penetrants?
78. Which of the following is generally accepted as the most important precaution when using solvent-removable penetrants?
79. Insufficient rinsing of fluorescent penetrants will result in:
80. Which of the following safety precautions does not apply when handling penetrant materials?
81. How long must a part be kept wet with penetrant before the removal process is started?
82. Which of the following factors will affect resolution of penetrant indications?
83. A serious loss of water in a wet developer mix or an excessive over –concentration of developer powder can cause:
84. What could happen if a person looks directly into a black light?
85. When using dry developer, the drying operation is performed:
86. The failure to completely remove acid materials from a part before fluorescent penetrant is applied will result in:
87. Penetrant is applied to a part by dipping. The part is the placed on a rack while the penetrant seeps into discontinuities. If the penetrant time is too long, it will be difficult to rinse the penetrant from the part. If this happens, the normal rinsi
88. When drying parts during a penetrant test, the parts:
89. The contamination of a water-washable penetrant with an excessive amount of water will:
90. Which of the following penetrant methods does not require the use of a black light?
91. When using a fluorescent penetrant, the actual inspection must be performed:
92. Which of the following penetrants can be used when inspection must take place under ordinary lighting conditions?
93. All of the following materials can be effectively tested with liquid penetrant except:
94. Which of the following is a disadvantage of using the liquid penetrant testing method?
95. A good penetrant must do all of the following except:
96. Which of the following is not a property of a developer used in liquid penetrant testing?
97. If improperly used, developers:
98. Color-contrast penetrants are commercially available in which of the following variations?
99. Which of the following could be a source of false indications on a test specimen?
100. Cleaning of the part prior to penetrant inspection is:
101. When using fluorescent water-washable penetrant, adequate rinsing of the part is assured by:
102. What can happen if a part processed by visible dye penetrant inspection is reprocessed by the
fluorescent penetrant method?
103. A suitable filter must be used at all times over a black light bulb because:
104. A good commercial penetrant should have a:
105. A material that is applied over the film of the penetrant on the surface of a part, mixes with the
penetrant, and enables the penetrant to be washed off the surface is called:
106. The time allowed for the penetrant to enter discontinuities that my be present is the:
107. Which of the following penetrant systems is generally considered to be the least sensitive?
108. In penetrant examinations, the phase of the process requiring the greatest skill and most experience of
the operator is:
109. The best choice of a developer for use on a very smooth surface when using a fluorescent penetrant
would be:
110. The purpose of an emulsifier is to:
111. Developer assists in the detection of liquid penetrant indications by
112. Liquid penetrant examination can detect all the following types of discontinuities except:
113. What is the most universally used black light?
114. Which of the following processes would be most sensitive to detecting very fine defects?
115. When using the post-emulsification fluorescent process, which of the following methods cannot be
used?
116. Which of the following would be the most desirable center wavelength for the output of the light source
used in fluorescent processes?
117. Bleed out of the penetrant from a cold shut is an example of:
118. Which of the following actions is likely to result in a loss of sensitivity in the liquid penetrant
examination?
119. Liquid penetrants become sluggish and lose sensitivity at temperatures:
120. Why is it possible to flush a surface with a coarse water spray to which a water-washable penetrant was
applied, remove the excessive penetrant, and not remove the penetrant that is in the defect?
Created by: 886451
 

 



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