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API 570 Questions
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  1. Current
  2. Review
  3. Answered
  4. Correct
  5. Incorrect
  1. Question 1 of 183
    1. Question

    1)  API 570 covers inspection, repair alteration, and re-rating procedures for metallic piping systems that __________.

    Correct
    Incorrect
  2. Question 2 of 183
    2. Question

    2) API 570 was developed for the petroleum refining and chemical process industries.

    Correct
    Incorrect
  3. Question 3 of 183
    3. Question

    3)    API 570 __________ be used as a substitute for the original construction requirements governing a piping system before it is placed in-service.

    Correct
    Incorrect
  4. Question 4 of 183
    4. Question

    4)    API 570 applies to piping systems for process fluids, hydrocarbons, and similar flammable or toxic fluid services. Which of the following services is not specifically applicable ?

    Correct
    Incorrect
  5. Question 5 of 183
    5. Question

    5)    Some of the classes of piping systems that are excluded or optional for coverage under API 570 are listed below. Which one is a mandatory included class ?

    Correct
    Incorrect
  6. Question 6 of 183
    6. Question

    6)    The __________ shall be responsible to the owner-user for determining that the requirements of API 570 for inspection, examination, and testing are met.

    Correct
    Incorrect
  7. Question 7 of 183
    7. Question

    7)    Who is responsible for the control of piping system inspection programs, inspection frequencies and maintenance of piping?

    Correct
    Incorrect
  8. Question 8 of 183
    8. Question

    8)    An authorized piping inspector shall have the following qualifications. Pick the one that does not belong in this list:-

    Correct
    Incorrect
  9. Question 9 of 183
    9. Question

    9)            Risk based inspections include which of the following:-

    Correct
    Incorrect
  10. Question 10 of 183
    10. Question

    10)          An RBI assessment can be used to alter the inspection strategy provided:-

    Correct
    Incorrect
  11. Question 11 of 183
    11. Question

    11)          Which one of the following is not a specific type of an area of deterioration?

    Correct
    Incorrect
  12. Question 12 of 183
    12. Question

    12)  Injection points subject to accelerated or localised corrosion may be treated
    as __________

    Correct
    Incorrect
  13. Question 13 of 183
    13. Question

    13)  The recommended upstream limit of inspection of an injection point is a minimum of

    Correct
    Incorrect
  14. Question 14 of 183
    14. Question

    14)  The recommended downstream limit of inspection of an injection point is a minimum of

    Correct
    Incorrect
  15. Question 15 of 183
    15. Question

    15)  Select thickness measurement locations (TMLs) within injection point circuits subjected to localised corrosion according to the following guidelines. Select the one that does not belong

    Correct
    Incorrect
  16. Question 16 of 183
    16. Question

    16)  What are the preferred methods of inspecting injection points ?

    Correct
    Incorrect
  17. Question 17 of 183
    17. Question

    17)  During periodic scheduled inspections, more extensive inspection should be applied to an area beginning __________ upstream of the injection nozzle and continuing for atleast __________ pipe diameters downstream of the injection point.

    Correct
    Incorrect
  18. Question 18 of 183
    18. Question

    18)  Why should deadlegs in piping be inspected ?

    Correct
    Incorrect
  19. Question 19 of 183
    19. Question

    19)  Both the stagnant end and the connection to an active line of a deadleg should be monitored. In a hot piping system, why does the high point of a deadleg corrode and need to be inspected ?

    Correct
    Incorrect
  20. Question 20 of 183
    20. Question

    20)  What is the best thing to do with deadlegs that are no longer in service ?

    Correct
    Incorrect
  21. Question 21 of 183
    21. Question

    21)  What are the most common forms of corrosion under insulatin (CUI).

    Correct
    Incorrect
  22. Question 22 of 183
    22. Question

    22)          What climatic area may require a very active program for corrosion under insulation?

    Correct
    Incorrect
  23. Question 23 of 183
    23. Question

    23)  Certain areas and types of piping systems are potentially more susceptible to corrosion under insulation. Which of the items listed is not susceptible to CUI?

    Correct
    Incorrect
  24. Question 24 of 183
    24. Question

    24)          What location is subject to corrosion under insulation and inspection contributes to it?

    Correct
    Incorrect
  25. Question 25 of 183
    25. Question

    25)  Soil-to-air (S/A) interfaces for buried piping are a location where localized corrosion may take place. If the buried part is excavated for inspection, how deep should the excavation be to determine if there is hidden damage ?

    Correct
    Incorrect
  26. Question 26 of 183
    26. Question

    26)  At concrete-to-air and asphalt-to-air interfaces of buried piping without cathodic protection, the inspector looks for evidence that the caulking or seal at the interface has deteriorated and allowed moisture ingress. If such a condition exists on piping systems over __________ years old, it may be necessary to inspect for corrosion beneath the surface before resealing the joint.

    Correct
    Incorrect
  27. Question 27 of 183
    27. Question

    27)  An example of service-specific and localized corrosion is:-

    Correct
    Incorrect
  28. Question 28 of 183
    28. Question

    28)          Erosion can be defined as:-

    Correct
    Incorrect
  29. Question 29 of 183
    29. Question

    29)  A combination of corrosion and erosion results in significantly greater metal loss that can be expected from corrosion or erosion alone. This type of loss occurs at

    Correct
    Incorrect
  30. Question 30 of 183
    30. Question

    30)          Environmental cracking of austenite stainless steels is caused many times by:-

    Correct
    Incorrect
  31. Question 31 of 183
    31. Question

    31)  When the inspector suspects or is advised that specific piping circuits may be susceptible to environmental cracking, the inspector should:-

    Correct
    Incorrect
  32. Question 32 of 183
    32. Question

    32)  If environmental cracking is detected during internal inspection of pressure vessels, what should the inspector do?

    Correct
    Incorrect
  33. Question 33 of 183
    33. Question

    33)  If external or internal coatings or refractory liners on a piping circuit are in good condition, what should an inspector do?

    Correct
    Incorrect
  34. Question 34 of 183
    34. Question

    34)  What course of action should be followed it a coating of coke is found on the interior of a large pipe of a reactor on a Fluid Catalytic Cracking Unit?

    Correct
    Incorrect
  35. Question 35 of 183
    35. Question

    35)          Fatigue cracking of piping systems may result from

    Correct
    Incorrect
  36. Question 36 of 183
    36. Question

    36)          Where can fatigue cracking typically be first detected?

    Correct
    Incorrect
  37. Question 37 of 183
    37. Question

    37)          What are the preferred NDE methods for detecting fatigue cracking?

    Correct
    Incorrect
  38. Question 38 of 183
    38. Question

    38)          Creep is dependent on:-

    Correct
    Incorrect
  39. Question 39 of 183
    39. Question

    39)  An example of where creep cracking has been experienced in the industry is in the problems experienced with cracking of 1.25 % Chrome steels operating at temperatures above __________ degrees F

    Correct
    Incorrect
  40. Question 40 of 183
    40. Question

    40)  Brittle fracture can occur in carbon, low-alloy, and other ferritic steels at or
    below __________

    Correct
    Incorrect
  41. Question 41 of 183
    41. Question

    41)  Water and aqueous solutions in piping systems may freeze and cause failure because of the

    Correct
    Incorrect
  42. Question 42 of 183
    42. Question

    42)  Different types of inspection and surveillance are appropriate depending on the circumstances and the piping system. Pick the one that does not belong in the following list:-

    Correct
    Incorrect
  43. Question 43 of 183
    43. Question

    43)  Internal visual inspections are __________ on piping unless it is a large diameter transfer line, duct, catalyst line or other large diameter piping system.

    Correct
    Incorrect
  44. Question 44 of 183
    44. Question

    44)  Name an additional opportunity for a normal non-destructive internal inspection of piping

    Correct
    Incorrect
  45. Question 45 of 183
    45. Question

    45)  Why is thickness measurement inspection performed?

    Correct
    Incorrect
  46. Question 46 of 183
    46. Question

    46)          Who performs a thickness measurement inspection ?

    Correct
    Incorrect
  47. Question 47 of 183
    47. Question

    47)  When corrosion product build-up is noted during an external visual inspection at a pipe support contact area, lifting of such supports may be required for inspection. When doing this, care should  be

    Correct
    Incorrect
  48. Question 48 of 183
    48. Question

    48)  Qualified operating or maintenance personnel also may conduct external visual inspections when :-

    Correct
    Incorrect
  49. Question 49 of 183
    49. Question

    49)  Who would normally report vibrating or swaying piping to engineering or inspection personnel ?

    Correct
    Incorrect
  50. Question 50 of 183
    50. Question

            50) Thermography is used to check for :-

    Correct
    Incorrect
  51. Question 51 of 183
    51. Question

    51)  Thickness measurement locations (TMLs) are specific __________ along the piping circuit where inspections are to be made

    Correct
    Incorrect
  52. Question 52 of 183
    52. Question

    52)  The minimum thickness at each TML can be located by

    Correct
    Incorrect
  53. Question 53 of 183
    53. Question

    53)  Where appropriate, thickness measurements should include measurements at each of __________ on pipe and fittings

    Correct
    Incorrect
  54. Question 54 of 183
    54. Question

    54)  Where should special attention be placed when taking thickness measurements of an elbow ?

    Correct
    Incorrect
  55. Question 55 of 183
    55. Question

    55)  TMLs should be marked on inspection drawings and __________ to allow repetitive measurements

    Correct
    Incorrect
  56. Question 56 of 183
    56. Question

    56)  What is taken into account by an experienced inspector when selecting TMLs ?

    Correct
    Incorrect
  57. Question 57 of 183
    57. Question

    57)  In theory,  a piping circuit subject to perfectly uniform corrosion could be adequately monitored with __________ TMLs

    Correct
    Incorrect
  58. Question 58 of 183
    58. Question

    58)  More TMLs should be selected for piping systems with any of the following characteristics :-

    Correct
    Incorrect
  59. Question 59 of 183
    59. Question

    59)  Fewer TMLs can be selected for piping systems with any of the following characteristics :-

    Correct
    Incorrect
  60. Question 60 of 183
    60. Question

    60)          TMLs can be eliminated for piping systems with the following characteristics

    Correct
    Incorrect
  61. Question 61 of 183
    61. Question

    61)  What is usually the most accurate means for obtaining thickness measurements on installed pipe larger than NPS 1 ?

    Correct
    Incorrect
  62. Question 62 of 183
    62. Question

    62)  What thickness measuring technique does not require the removal of some external piping insulation ?

    Correct
    Incorrect
  63. Question 63 of 183
    63. Question

    63)  When ultrasonic thickness measurements are taken above __________ degrees F, instruments couplants, and procedures should be used that will result in accurate measurements at the higher temperature

    Correct
    Incorrect
  64. Question 64 of 183
    64. Question

    64)  Typical digital thickness gages may  have trouble measuring thickness less than __________ inches

    Correct
    Incorrect
  65. Question 65 of 183
    65. Question

            65) When pressure testing of piping systems are conducted, they shall be performed in accordance with the requirements of :-

    Correct
    Incorrect
  66. Question 66 of 183
    66. Question

    66)  If a lower pressure test (lower than prescribed by code) is used only for tightness of piping systems, the __________ may designate the pressure

    Correct
    Incorrect
  67. Question 67 of 183
    67. Question

    67)  The preferred medium for a pressure test is __________

    Correct
    Incorrect
  68. Question 68 of 183
    68. Question

    68)  If a non-toxic hydrocarbon (flammable) is used as the test medium, the liquid flash point shall be at least __________ degrees F or greater

    Correct
    Incorrect
  69. Question 69 of 183
    69. Question

    69)  Piping fabricated of or having components of 300 series stainless steel should be tested with __________

    Correct
    Incorrect
  70. Question 70 of 183
    70. Question

    70)  For sensitised austenitic stainless steel, piping subject to polythionic stress corrosion cracking, consideration should be given to using __________ for pressure testing

    Correct
    Incorrect
  71. Question 71 of 183
    71. Question

    71)  When a pipe requires post weld heat treatment, when should the pressure test be performed ?

    Correct
    Incorrect
  72. Question 72 of 183
    72. Question

    72)  During a pressure test, where test pressure will exceed the set pressure of the safety relieve valve or valves on a piping system, the safety relief valve or valves should be __________ when carrying out the test

    Correct
    Incorrect
  73. Question 73 of 183
    73. Question

    73)  When using block valves to isolate a piping system for pressure test, what precaution should be taken ?

    Correct
    Incorrect
  74. Question 74 of 183
    74. Question

    74)  Several methods may be used to verify that the correct alloy piping  is in a system. Pick the incorrect method from the list below :-

    Correct
    Incorrect
  75. Question 75 of 183
    75. Question

    75)  Name a part of a piping system that thickness measurements are not normally routinely taken

    Correct
    Incorrect
  76. Question 76 of 183
    76. Question

    76)  If environmental cracking is found during in-service inspection of welds, who assesses the problem ?

    Correct
    Incorrect
  77. Question 77 of 183
    77. Question

    77)  If an inspector finds an imperfection in an original fabrication weld and analysis is required to assess the impact of the weld quality on piping integrity, which of the following may perform the analysis ?

    Correct
    Incorrect
  78. Question 78 of 183
    78. Question

    78)  According to API 570, some welds in a piping system that has been subjected to radiography according to ASME B31.3 :-

    Correct
    Incorrect
  79. Question 79 of 183
    79. Question

    79)  How should fasteners and gaskets be examined to determine whether they meet the material specifications

    Correct
    Incorrect
  80. Question 80 of 183
    80. Question

    80)  When checking flange and valve bonnet bolts for corrosion, what type of NDT is usually used ?

    Correct
    Incorrect
  81. Question 81 of 183
    81. Question

    81)  What course of action is called for when an inspector finds a flange joint that has been clamped and pumped with sealant ?

    Correct
    Incorrect
  82. Question 82 of 183
    82. Question

    82)  All process piping systems must be categorised into different classes. On what are the classifications selection based ?

    Correct
    Incorrect
  83. Question 83 of 183
    83. Question

    82)  (1) Inspection strategy based on likelihood and consequence of failure is called

    Correct
    Incorrect
  84. Question 84 of 183
    84. Question

    82)  (2) An RBI assessment can be used to __________ the inspection interval limits in Table 1 of API 570 or the extent of the inspection conducted

    Correct
    Incorrect
  85. Question 85 of 183
    85. Question

    83)  Listed below are several examples of a CLASS 1 piping system. Which one does not belong ?

    Correct
    Incorrect
  86. Question 86 of 183
    86. Question

    84)  Of the three classification of piping systems, which includes the majority of unit processes and selected off-site piping ?

    Correct
    Incorrect
  87. Question 87 of 183
    87. Question

    85)  Class 3 piping is described as being in services

    Correct
    Incorrect
  88. Question 88 of 183
    88. Question

    86)  Who establishes inspection interval for thickness measurements, external visual inspections and for internal and supplemental inspections ?

    Correct
    Incorrect
  89. Question 89 of 183
    89. Question

    87)  Thickness measurement inspection should be scheduled based on the calculation of not more than

    Correct
    Incorrect
  90. Question 90 of 183
    90. Question

            88) For external inspections for potential corrosion under insulation (CUI) on Class 1 systems, the examination should include at least __________ percent of all suspect areas and __________ percent of all areas of damaged insulation

    Correct
    Incorrect
  91. Question 91 of 183
    91. Question

            89) Piping systems that are known to have a remaining life of over __________ years or that are protected against external corrosion need not have insulation removed for teh periodic external inspection

    Correct
    Incorrect
  92. Question 92 of 183
    92. Question

    90)  For Class 3 piping systems, the examination for corrosion under insulation (CUI) should include atleast __________ percent of all suspect areas

    Correct
    Incorrect
  93. Question 93 of 183
    93. Question

    91)  For Class 2 piping, the extent of CUI inspections on a system operating at – 45oF will be

    Correct
    Incorrect
  94. Question 94 of 183
    94. Question

    92)  Small bore piping (SBP) that is Class I shall be inspected

    Correct
    Incorrect
  95. Question 95 of 183
    95. Question

    93)  Inspection of small bore piping (SBP) that is secondary and auxiliary (associated with instruments and machinery) is

    Correct
    Incorrect
  96. Question 96 of 183
    96. Question

    94)  If an inspector finds threaded small bore piping (SBP) associated with machinery and subject to fatigue damage, he should :-

    Correct
    Incorrect
  97. Question 97 of 183
    97. Question

           95)  An eight-inch diameter piping system is installed in December 1979. The installed thickness if measured as 0.34″. The minimum thickness of the pipe is 0.20″. It is inspected 12/83 and the thickness is found to be 0.32″. An inspection 12/87 reveals a loss of 0.01″ from the 12/85 inspection. During 12/89 the thickness was found to be 0.29″. The last inspection was during 12/95 and the thickness was found to be 0.26″. What is the long-term corrosion rate of this system ?

    Correct
    Incorrect
  98. Question 98 of 183
    98. Question

    96)  Using the information in question 95, calculate the short-term corrosion rate

    Correct
    Incorrect
  99. Question 99 of 183
    99. Question

    97)  Using the information in questions 95 and 96, determine the remaining life of the system

    Correct
    Incorrect
  100. Question 100 of 183
    100. Question

    98)  You have a new piping system that has just been installed. It is completely new and no information exists to establish a corrosion rate. Also, information is no available on a similar system. You decide to put the system in service and NDT it later to determine the corrosion rate. How long do you allow the system to stay in service before you take your first thickness readings ?

    Correct
    Incorrect
  101. Question 101 of 183
    101. Question

    99)  After an inspection interval is completed and if calculations indicate that an inaccurate rate of corrosion has been assumed in a piping system, how do you determine the corrosion rate for the next inspection period ?

    Correct
    Incorrect
  102. Question 102 of 183
    102. Question

         100)  If a piping system is made up of unknown materials and computations must be made to determine the minimum thickness of the pipe, what can  the inspector or the piping engineer do t establish the minimum thickness ?

    Correct
    Incorrect
  103. Question 103 of 183
    103. Question

    101)A piping engineer is designing a piping service with high potential consequences if a failure occurs, i.e. a 350 psi natural gas line adjacent to a high density population area. What should he consider doing for unanticipated situations ?

    Correct
    Incorrect
  104. Question 104 of 183
    104. Question

    102)When evaluating locally thinned areas, the surface of the weld includes __________ on either side of the weld or __________ times the minimum measured thickness  on either side of the weld, whichever is greater.

    Correct
    Incorrect
  105. Question 105 of 183
    105. Question

    103) An inspector finds a thin area in a fabricated 24″ diameter pipe. The thin area includes a longitudinal weld in the pipe and is 10 feet long and 2 foot circumferentially. Calculations show that with 0.85 joint factor, the pipe must be repaired, renewed, etc. or the pressure in the pipe must be lowered. The owner does not want to do any hot work on the pipe and he does not wish to lower the pressure. What other course could you follow ?

    Correct
    Incorrect
  106. Question 106 of 183
    106. Question

         104) Piping stress analysis is done during the system’s original design. How can the inspector make use of stress analysis information ?

    Correct
    Incorrect
  107. Question 107 of 183
    107. Question

    105) You are inspecting a piping system. You find a significant loss of material (a major increase of corrosion rate) in gas oil piping (used as reboiler oil, temperature
    500 degrees F) on a Fluid Catalytic Cracking Unit. What is the best course of action for you to take ?

    Correct
    Incorrect
  108. Question 108 of 183
    108. Question

    106) The __________ shall maintain appropriate permanent and progressive records of each piping system covered by API 570.

    Correct
    Incorrect
  109. Question 109 of 183
    109. Question

    107) When making repairs and alterations to piping systems, the principles of __________ or the code to which the piping system was built shall be followed :-

    Correct
    Incorrect
  110. Question 110 of 183
    110. Question

    108) Repair and alteration work must be done by a repair organisation as defined in API 570 and must be authorised by the __________ prior to its commencement

    Correct
    Incorrect
  111. Question 111 of 183
    111. Question

    109) Authorization for alteration work to a piping system may be given by the inspector after :-

    Correct
    Incorrect
  112. Question 112 of 183
    112. Question

    110) A repair procedure involving welding requires that the root pass of the weld be inspected before continuing the weld. A “hold” on the repair is required at this point. Who designates this “hold?”

    Correct
    Incorrect
  113. Question 113 of 183
    113. Question

    111) What type of repairs and procedures may the inspector give prior general authorization to continue (provided the inspector is satisfied with the competency of the repair organization ) ?

    Correct
    Incorrect
  114. Question 114 of 183
    114. Question

    112) Who approves all proposed methods of design, execution, materials, welding procedures, examination and testing of in-service piping ?

    Correct
    Incorrect
  115. Question 115 of 183
    115. Question

    113) Who must give approval for any on-stream welding ?

    Correct
    Incorrect
  116. Question 116 of 183
    116. Question

    114) An inspector finds a crack in the parent metal of a pipe adjacent to a support lug. The pipe was being inspected after a 5-year run. Before repairing, he should :-

    Correct
    Incorrect
  117. Question 117 of 183
    117. Question

    115) A full encirclement welded split sleeve designed by a piping engineer may be applied over a damaged or corroded area of a pipe. This is considered a temporary repair. When should a permanent repair be made ?

    Correct
    Incorrect
  118. Question 118 of 183
    118. Question

    116) What type of defect, corrosion, pitting and / or discontinuity should not be repaired by a full encirclement welded split sleeve ?

    Correct
    Incorrect
  119. Question 119 of 183
    119. Question

    117) If a repair area is localised (for example, pitting or pin-holes) and the specified minimum yield strength (SMYS) of the pipe is not more than __________ psi, a temporary repair may be made by fillet welding a properly designed plate patch over the pitted area :-

    Correct
    Incorrect
  120. Question 120 of 183
    120. Question

    118) Insert patches (flush patches may be used to repair damaged or corroded areas of pipe if several requirements are met. One of these is that an insert patch (flush patch) may be of any shape but it shall have rounded corners with __________ minimum radii.

    Correct
    Incorrect
  121. Question 121 of 183
    121. Question

    119) An inspector finds a pin-hole leak in a weld during an on-stream inspection of a  piping system. A permissible temporary repair is :-

    Correct
    Incorrect
  122. Question 122 of 183
    122. Question

    120) Temporary leak sealing and leak dissipating devices shall be removed and the pipe restored to original integrity :-

    Correct
    Incorrect
  123. Question 123 of 183
    123. Question

    121) Which of the following is NOT an item for consideration by an inspector when a leak sealing fluid (“pumping”) is used for a temporary leak seal repair :-

    Correct
    Incorrect
  124. Question 124 of 183
    124. Question

    122) Any welding conducted on piping components in operation must be done in accordance with

    Correct
    Incorrect
  125. Question 125 of 183
    125. Question

    123) All repair and alteration welding to  piping systems shall be done in accordance with the :-

    Correct
    Incorrect
  126. Question 126 of 183
    126. Question

    124) Welders and welding procedures used in making piping repairs, etc. shall be qualified in accordance with :-

    Correct
    Incorrect
  127. Question 127 of 183
    127. Question

    125) The repair organization responsible for welding shall maintain records of welding procedures and welder performance qualifications. These records shall be available to the inspector :-

    Correct
    Incorrect
  128. Question 128 of 183
    128. Question

    126) Preheating to not less than  __________ degrees F may be considered as an alternative to post weld heat treatment for alterations or repairs of P-1, piping initially post weld heat treated as a code  requirement (may not be used if the piping was post weld heat treated due to environmental cracking prevention).

    Correct
    Incorrect
  129. Question 129 of 183
    129. Question

    127) When u sing local PWHT as a substitute for 360-degree banding on local repairs of PWHT’d piping, which of the following items is NOT considered

    Correct
    Incorrect
  130. Question 130 of 183
    130. Question

    128) Piping butt joints shall be :-

    Correct
    Incorrect
  131. Question 131 of 183
    131. Question

           129) When should piping components that need repair be replaced?

    Correct
    Incorrect
  132. Question 132 of 183
    132. Question

    130) Fillet welded patches (lap patches) shall be designed by

    Correct
    Incorrect
  133. Question 133 of 183
    133. Question

    131) Fillet welded lap patches (overlay patches) shall leave: –

    Correct
    Incorrect
  134. Question 134 of 183
    134. Question

    132) Materials used in making welding repairs or alterations __________ be of known weldable quality :-

    Correct
    Incorrect
  135. Question 135 of 183
    135. Question

    133) Acceptance of a welded repair or alteration shall include __________ in accordance with the applicable code and the owner-user’s specification, unless otherwise specified in API 570

    Correct
    Incorrect
  136. Question 136 of 183
    136. Question

    134) After welding is completed on a repair or alteration, __________ in accordance with API 570 shall be performed if practical and deemed necessary by the inspector

    Correct
    Incorrect
  137. Question 137 of 183
    137. Question

    135) When are pressure tests normally required?

    Correct
    Incorrect
  138. Question 138 of 183
    138. Question

    136) When a pressure test is not necessary or practical, what shall be utilised in lieu of a pressure test ?

    Correct
    Incorrect
  139. Question 139 of 183
    139. Question

           137) Special procedure in place of a pressure test after an alteration or repair may be done only after consultation with:-

    Correct
    Incorrect
  140. Question 140 of 183
    140. Question

    138) When it is not practical to perform a pressure test of a final closure weld that joins a new or replacement section of piping to an existing system, several requirements shall be satisfied. Which of the following is NOT one of the requirements:-

    Correct
    Incorrect
  141. Question 141 of 183
    141. Question

    139) Which of the following is NOT a requirement for re-rating a piping system by changing the temperature or the MAWP:-

    Correct
    Incorrect
  142. Question 142 of 183
    142. Question

    140) Why is the inspector of buried process piping (not regulated by DOT) different from other process piping inspection ?

    Correct
    Incorrect
  143. Question 143 of 183
    143. Question

    141) Indications of leaks in buried piping may include several indications. Which of the ones listed below is NOTone of the indications ?

    Correct
    Incorrect
  144. Question 144 of 183
    144. Question

    142) Corrosion cells can form on both bare and coated pipe where bare steel contacts the soil. How can these cells be detected ?

    Correct
    Incorrect
  145. Question 145 of 183
    145. Question

    143) A pipe coating holiday survey is used to locate coating defects on coated pipes. It can be used on newly constructed pipe systems to ensure that the coating is intact and holiday-free. More often, it is used on buried pipe to :-

    Correct
    Incorrect
  146. Question 146 of 183
    146. Question

    144) Catholically protected buried piping should be monitored __________ to assure adequate levels of protection

    Correct
    Incorrect
  147. Question 147 of 183
    147. Question

    145) If an “intelligent pigging” system is used to inspect buried piping, what type of bends are usually required in the piping system ?

    Correct
    Incorrect
  148. Question 148 of 183
    148. Question

    146) How often should above-grade visual surveillance of a buried pipeline right-of-way be made ?

    Correct
    Incorrect
  149. Question 149 of 183
    149. Question

    147) How often should poorly coated pipes with inconsistent cathodic protection potentials have a pipe-to-soil potential survey made ?

    Correct
    Incorrect
  150. Question 150 of 183
    150. Question

    148) On buried piping, what is the frequency of pipe coating holiday surveys ?

    Correct
    Incorrect
  151. Question 151 of 183
    151. Question

    149) For a piping buried in lengths greater than __________ feet and not cathodically protected, evaluation of soil corrosivity should be performed at 5-year intervals.

    Correct
    Incorrect
  152. Question 152 of 183
    152. Question

    150) If buried piping is cathodically protected, the system should be monitored at intervals in accordance with Section 10 of NACE RP0169 or Section 90 of API RP 651.
    API RP 651 specifies __________ interval.

    Correct
    Incorrect
  153. Question 153 of 183
    153. Question

    151) Buried piping inspected periodically by excavation shall be inspected in lengths of __________ feet at one or more locations judged to be most susceptible to corrosion

    Correct
    Incorrect
  154. Question 154 of 183
    154. Question

    152) After excavation of buried piping, if inspection reveals damaged coating or corroded piping :

    Correct
    Incorrect
  155. Question 155 of 183
    155. Question

    153)       If buried piping is contained inside a casing pipe, the casing should be :-

    Correct
    Incorrect
  156. Question 156 of 183
    156. Question

    154) An alternative or supplement to inspection of buried piping is leak testing with  liquid at a pressure at least __________ % greater than the maximum operating pressure at intervals ½ the length of those shown in Table 9-1 of API 570 for piping NOT cathodically protected and at the same intervals as shown in Table 9-1 for cathodically protected piping

    Correct
    Incorrect
  157. Question 157 of 183
    157. Question

    155) The leak test for buried piping should be for a period of __________ hours.

    Correct
    Incorrect
  158. Question 158 of 183
    158. Question

    156) The leak test for an 8″ diameter buried piping system is 300 psi. After 7 hours, the pressure reacts 273 psi. What should the inspector do?

    Correct
    Incorrect
  159. Question 159 of 183
    159. Question

    157) A buried piping system that is not cathodically protected has to have an inspection interval set. The soil resistivity is checked and found to be 3400 ohm/cm. As the inspector, what interval would you set ?

    Correct
    Incorrect
  160. Question 160 of 183
    160. Question

    158) Buried piping also may be surveyed for integrity by removing the line from service and performing a leak test. This inspection method typically involves pressurizing the line with a __________, allowing time for the __________ to diffuse to the surface and surveying the buried line with a gas-specific detector to detect the __________

    Correct
    Incorrect
  161. Question 161 of 183
    161. Question

    159) Repairs to coating on buried piping may be tested using

    Correct
    Incorrect
  162. Question 162 of 183
    162. Question

    160) If buried piping leaks are clamped and reburied:-

    Correct
    Incorrect
  163. Question 163 of 183
    163. Question

    161) A 10″ diameter piping system with 4″ diameter and 6″ diameter reinforced branch connections is to have changes made to it. Which of the following is considered an alteration?

    Correct
    Incorrect
  164. Question 164 of 183
    164. Question

    162) Which of the following would not be classified as an applicable code to which a piping system was built ?

    Correct
    Incorrect
  165. Question 165 of 183
    165. Question

    163) Which of the inspection agencies listed below is NOT an Authorized Inspection Agency as defined in API 570.

    Correct
    Incorrect
  166. Question 166 of 183
    166. Question

    164) An authorized piping inspector is an employee of an authorized inspection agency who is qualified to perform the functions specified in API 570. Which individual listed below is not usually an authorized piping inspector.

    Correct
    Incorrect
  167. Question 167 of 183
    167. Question

    165) Which of the following qualifies as auxiliary piping?

    Correct
    Incorrect
  168. Question 168 of 183
    168. Question

    166) CUI stands for: –

    Correct
    Incorrect
  169. Question 169 of 183
    169. Question

    167) Deadlegs legs of a piping system are:-

    Correct
    Incorrect
  170. Question 170 of 183
    170. Question

    168) A defect is an imperfection of a type or magnitude exceeding the __________ criteria.

    Correct
    Incorrect
  171. Question 171 of 183
    171. Question

    169) The design temperature of a piping system component is the temperature at which, under the coincident pressure, the __________ is required.

    Correct
    Incorrect
  172. Question 172 of 183
    172. Question

    170) An examiner is a person who __________ the inspector

    Correct
    Incorrect
  173. Question 173 of 183
    173. Question

    171) Hold point is a point in the repair or alteration process beyond which work may not proceed until the __________ has been performed and documented

    Correct
    Incorrect
  174. Question 174 of 183
    174. Question

    172) What is an imperfection?

    Correct
    Incorrect
  175. Question 175 of 183
    175. Question

    173) __________: is a response or evidence resulting from the application of a non-destructive evaluation technique

    Correct
    Incorrect
  176. Question 176 of 183
    176. Question

    174) What are points where chlorine is introduced in reformers, water is added in overhead systems, etc. called

    Correct
    Incorrect
  177. Question 177 of 183
    177. Question

    175) What is the loss of ductility and notch toughness in susceptible low-alloy steels such as 1.25 and 2.5 Cr., due to prolonged exposure to high-temperature service called ?

    Correct
    Incorrect
  178. Question 178 of 183
    178. Question

    176) Secondary process piping is small-bore (less than or equal to __________) process piping downstream of normally closed block valves

    Correct
    Incorrect
  179. Question 179 of 183
    179. Question

    177) A test point is an area defined by a circle having a diameter not greater than __________ inches for a line diameter not exceeding 10 inches or not greater than __________ inches for larger lines.

    Correct
    Incorrect
  180. Question 180 of 183
    180. Question

    178) When making a repair utilizing a welded full encirclement repair sleeve and the sleeve material is different from the pipe material, you should

    Correct
    Incorrect
  181. Question 181 of 183
    181. Question

    179) What type of electrode should be  used when welding a full encirclement repair sleeve?

    Correct
    Incorrect
  182. Question 182 of 183
    182. Question

    180) Which of the following welding electrodes is low hydrogen?

    Correct
    Incorrect
  183. Question 183 of 183
    183. Question

    181) When welding a small repair patch, the diameter of electrodes used should not exceed

    Correct
    Incorrect
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