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PT-G-L1
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  1. Current
  2. Review
  3. Answered
  4. Correct
  5. Incorrect
  1. Question 1 of 79
    1. Question

    1. Liquid penetrant testing is based on the principle of:

    Correct
    Incorrect
  2. Question 2 of 79
    2. Question

    2. When a small diameter tube is placed in a glass of water, water rises in the tube to a
    level above the adjacent surface. This is called

    Correct
    Incorrect
  3. Question 3 of 79
    3. Question

    3. How is the size of a liquid penetrant indication usually related to the discontinuity it
    represents

    Correct
    Incorrect
  4. Question 4 of 79
    4. Question

    4. A penetrant that is self-emulsifying is called

    Correct
    Incorrect
  5. Question 5 of 79
    5. Question

    5. A penetrant process which employs an emulsifier as a separate step in the penetrant
    removal process is called:

    Correct
    Incorrect
  6. Question 6 of 79
    6. Question

    6. A penetrant process in which excess penetrant is removed with an organic solvent is
    called:

    Correct
    Incorrect
  7. Question 7 of 79
    7. Question

    7. Which of the following statements accurately describes the capabilities of liquid
    penetrant testing?

    Correct
    Incorrect
  8. Question 8 of 79
    8. Question

    8. Which of the following discontinuity types could typically be found with a liquid
    penetrant test?

    Correct
    Incorrect
  9. Question 9 of 79
    9. Question

    9. Which of the following chemical elements are normally held to a minimum in liquid
    penetrant materials, when testing stainless steel and titanium?

    Correct
    Incorrect
  10. Question 10 of 79
    10. Question

    10. Which of the following chemical elements are normally held to a minimum in liquid
    penetrant materials when testing nickel based alloys?

    Correct
    Incorrect
  11. Question 11 of 79
    11. Question

    11. Which of the following is the most desirable method of pre-cleaning a test piece prior
    to penetrant testing?

    Correct
    Incorrect
  12. Question 12 of 79
    12. Question

    12. Which of the following pre-cleaning processes is not recommended?

    Correct
    Incorrect
  13. Question 13 of 79
    13. Question

    13. A wire brush should be used for pre-cleaning:

    Correct
    Incorrect
  14. Question 14 of 79
    14. Question

    14. A hydrometer is used to measure

    Correct
    Incorrect
  15. Question 15 of 79
    15. Question

    15. Visible, solvent removable penetrants are most advantageous for:

    Correct
    Incorrect
  16. Question 16 of 79
    16. Question

    16. For adequate test results, the black light used in fluorescent penetrant examination
    should provide what minimum black light intensity at the test surface?

    Correct
    Incorrect
  17. Question 17 of 79
    17. Question

    17. What minimum warm-up time is required for acceptable performance of a mercury
    Vapour arc black light?

    Correct
    Incorrect
  18. Question 18 of 79
    18. Question

    18. Which of the following penetrants contains an emulsifying agent?

     

    Correct
    Incorrect
  19. Question 19 of 79
    19. Question

    19. Which of the following penetrants must be treated with an emulsifier prior to water
    removal?

    Correct
    Incorrect
  20. Question 20 of 79
    20. Question

    20. What is the function of an emulsifier?

    Correct
    Incorrect
  21. Question 21 of 79
    21. Question

    21. An oil based emulsifier is called

    Correct
    Incorrect
  22. Question 22 of 79
    22. Question

    22. A water based emulsifier is called:

    Correct
    Incorrect
  23. Question 23 of 79
    23. Question

    23. Methylene chloride, isopropyl, alcohol, naptha and mineral spirits are examples of:

    Correct
    Incorrect
  24. Question 24 of 79
    24. Question

    24. What type of solvent removers may be used with a solvent removable penetrant?

    Correct
    Incorrect
  25. Question 25 of 79
    25. Question

    25. Which of the following is a prerequisite for a penetrant test?

    Correct
    Incorrect
  26. Question 26 of 79
    26. Question

    26. Which of the following types of pre-cleaning processes may be used for liquid
    penetrant testing?

    Correct
    Incorrect
  27. Question 27 of 79
    27. Question

    27. What is the likely result of incomplete removal of all excess penetrant from the test
    piece surface?

     

    Correct
    Incorrect
  28. Question 28 of 79
    28. Question

    28. What is the preferred pre-cleaning process for removal of oil and grease :

    Correct
    Incorrect
  29. Question 29 of 79
    29. Question

    29. Which pre-cleaning method may be used with either a solvent or a detergent solution?

    Correct
    Incorrect
  30. Question 30 of 79
    30. Question

    30. What is the danger associated with using a wire brush during pre-cleaning?

    Correct
    Incorrect
  31. Question 31 of 79
    31. Question

    31. What is the preferred method of removing paint prior to performing a penetrant
    testing?

    Correct
    Incorrect
  32. Question 32 of 79
    32. Question

    32. What additional surface preparation or cleaning must be performed on a machined or
    ground aluminium casting prior to penetrant testing?

    Correct
    Incorrect
  33. Question 33 of 79
    33. Question

    33. Acceptable methods of penetrant application are:

    Correct
    Incorrect
  34. Question 34 of 79
    34. Question

    34. The time period during which penetrant remains on the surface of the test piece is
    called:

    Correct
    Incorrect
  35. Question 35 of 79
    35. Question

    35. Excess penetrant removal is a two step process with which of the following penetrant
    methods?

     

    Correct
    Incorrect
  36. Question 36 of 79
    36. Question

    36. A developer aids penetrant bleed out because of:

    Correct
    Incorrect
  37. Question 37 of 79
    37. Question

    37. In the solvent removable penetrant process, excess penetrant is removed with

    Correct
    Incorrect
  38. Question 38 of 79
    38. Question

    38. Water based wet developer is applied:

     

     

    Correct
    Incorrect
  39. Question 39 of 79
    39. Question

    39. Non-aqueous wet developer is applied:

    Correct
    Incorrect
  40. Question 40 of 79
    40. Question

    40. Dry developer is applied

    Correct
    Incorrect
  41. Question 41 of 79
    41. Question

    41. Typical ranges of emulsifier dwell times are

    Correct
    Incorrect
  42. Question 42 of 79
    42. Question

    42. Actual emulsification times are determined by:

    Correct
    Incorrect
  43. Question 43 of 79
    43. Question

    43. The colour of fluorescent penetrant under the presence of a UV light is:

    Correct
    Incorrect
  44. Question 44 of 79
    44. Question

    44. What action is necessary if the penetrant is inadvertently allowed to dry on the test
    piece?

    Correct
    Incorrect
  45. Question 45 of 79
    45. Question

    45. What maximum water rinse pressure is considered safe for removal of excess
    penetrant in the water washable penetrant process?

    Correct
    Incorrect
  46. Question 46 of 79
    46. Question

    46. During the water rinse step of the water washable penetrant process, what is the
    desired angle of the spray to the surface?

    Correct
    Incorrect
  47. Question 47 of 79
    47. Question

    47. Which type of emulsifier is designed to be used as a ‘scrubber’?

    Correct
    Incorrect
  48. Question 48 of 79
    48. Question

    48. Post cleaning is especially important when

    Correct
    Incorrect
  49. Question 49 of 79
    49. Question

    49. When using a hydrophilic emulsifier, the amount of penetrant removed is most
    affected by:

    Correct
    Incorrect
  50. Question 50 of 79
    50. Question

    50. If a mercury vapour arc black light is inadvertently turned off, how soon may it be
    restarted?

    Correct
    Incorrect
  51. Question 51 of 79
    51. Question

    51. Which of the following is normally prohibited as a method of removing excess
    penetrant when using the solvent removable penetrant process?

    Correct
    Incorrect
  52. Question 52 of 79
    52. Question

    52. When performing a fluorescent penetrant examination, excess penetrant is normally
    removed

    Correct
    Incorrect
  53. Question 53 of 79
    53. Question

    53. During a visible, solvent removable penetrant test, complete penetrant removal is
    indicated by:

    Correct
    Incorrect
  54. Question 54 of 79
    54. Question

    54. Which of the following is a function of a developer

    Correct
    Incorrect
  55. Question 55 of 79
    55. Question

    55. Which of the following is a function of a developer?

    Correct
    Incorrect
  56. Question 56 of 79
    56. Question

    56. Which of the following developers is applied before the drying operation?

    Correct
    Incorrect
  57. Question 57 of 79
    57. Question

    57. The most sensitive type of developer for the detection of fine discontinuities is:

    Correct
    Incorrect
  58. Question 58 of 79
    58. Question

    58. Which of the following is the most sensitive developer in descending order?

    Correct
    Incorrect
  59. Question 59 of 79
    59. Question

    59. Low sulphur and chlorine penetrant materials would be used for testing:

     

    Correct
    Incorrect
  60. Question 60 of 79
    60. Question

    60. Which type of developer may be either in suspension or a solution?

    Correct
    Incorrect
  61. Question 61 of 79
    61. Question

    61. The temperature of water rinse used in the water washable penetrant process should
    be:

    Correct
    Incorrect
  62. Question 62 of 79
    62. Question

    62. The danger of over washing during a water washable penetrant test is that:

    Correct
    Incorrect
  63. Question 63 of 79
    63. Question

    63. Which penetrant process is best suited to high production rates of many small parts?

    Correct
    Incorrect
  64. Question 64 of 79
    64. Question

    64. Which penetrant process is best suited to detect shallow discontinuities?

    Correct
    Incorrect
  65. Question 65 of 79
    65. Question

    65. Which penetrant process is best suited to the detection of discontinuities in a test piece
    having threads and keyways?

    Correct
    Incorrect
  66. Question 66 of 79
    66. Question

    66. Which penetrant process is the most sensitive to detect fine discontinuities?

    Correct
    Incorrect
  67. Question 67 of 79
    67. Question

    67. Which penetrant process is best suited for portable application in the field?

    Correct
    Incorrect
  68. Question 68 of 79
    68. Question

    68. Which penetrant process should be used if repeated examinations are anticipated?

    Correct
    Incorrect
  69. Question 69 of 79
    69. Question

    69. What is a disadvantage of using the fluorescent penetrant process?

    Correct
    Incorrect
  70. Question 70 of 79
    70. Question

    70. Which of the following developers is applied by brush, spraying or dipping?

    Correct
    Incorrect
  71. Question 71 of 79
    71. Question

    71. Which of the following developers is applied by spray only?

    Correct
    Incorrect
  72. Question 72 of 79
    72. Question

    72. Which of the following developers is applied by immersion or flow on only?

    Correct
    Incorrect
  73. Question 73 of 79
    73. Question

    73. What is the minimum time considered necessary for dark adaptation of the eyes prior
    to evaluating the results of a fluorescent penetrant test?

    Correct
    Incorrect
  74. Question 74 of 79
    74. Question

    74. What is the likely result of looking directly into a black light?

    Correct
    Incorrect
  75. Question 75 of 79
    75. Question

    75. Which type of penetrant process would be best suited to the detection of wide, shallow
    discontinuities?

    Correct
    Incorrect
  76. Question 76 of 79
    76. Question

    76. Which type of penetrant process affords most control of test sensitivity level?

    Correct
    Incorrect
  77. Question 77 of 79
    77. Question

    77. Which type of penetrant process is least susceptible to over washing?

    Correct
    Incorrect
  78. Question 78 of 79
    78. Question

    78. What is a disadvantage of the solvent removable penetrant process?

    Correct
    Incorrect
  79. Question 79 of 79
    79. Question

    79. Which of the following is the proper first step in removal of excess penetrant when
    using the solvent removable penetrant process?

     

    Correct
    Incorrect
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