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- Question 1 of 183
1. Question
1) API 570 covers inspection, repair alteration, and re-rating procedures for metallic piping systems that __________.
CorrectIncorrect - Question 2 of 183
2. Question
2) API 570 was developed for the petroleum refining and chemical process industries.
CorrectIncorrect - 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.
CorrectIncorrect - 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 ?
CorrectIncorrect - 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 ?
CorrectIncorrect - 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.
CorrectIncorrect - Question 7 of 183
7. Question
7) Who is responsible for the control of piping system inspection programs, inspection frequencies and maintenance of piping?
CorrectIncorrect - 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:-
CorrectIncorrect - Question 9 of 183
9. Question
9) Risk based inspections include which of the following:-
CorrectIncorrect - Question 10 of 183
10. Question
10) An RBI assessment can be used to alter the inspection strategy provided:-
CorrectIncorrect - Question 11 of 183
11. Question
11) Which one of the following is not a specific type of an area of deterioration?
CorrectIncorrect - Question 12 of 183
12. Question
12) Injection points subject to accelerated or localised corrosion may be treated
as __________CorrectIncorrect - Question 13 of 183
13. Question
13) The recommended upstream limit of inspection of an injection point is a minimum of
CorrectIncorrect - Question 14 of 183
14. Question
14) The recommended downstream limit of inspection of an injection point is a minimum of
CorrectIncorrect - 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
CorrectIncorrect - Question 16 of 183
16. Question
16) What are the preferred methods of inspecting injection points ?
CorrectIncorrect - 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.
CorrectIncorrect - Question 18 of 183
18. Question
18) Why should deadlegs in piping be inspected ?
CorrectIncorrect - 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 ?
CorrectIncorrect - Question 20 of 183
20. Question
20) What is the best thing to do with deadlegs that are no longer in service ?
CorrectIncorrect - Question 21 of 183
21. Question
21) What are the most common forms of corrosion under insulatin (CUI).
CorrectIncorrect - Question 22 of 183
22. Question
22) What climatic area may require a very active program for corrosion under insulation?
CorrectIncorrect - 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?
CorrectIncorrect - Question 24 of 183
24. Question
24) What location is subject to corrosion under insulation and inspection contributes to it?
CorrectIncorrect - 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 ?
CorrectIncorrect - 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.
CorrectIncorrect - Question 27 of 183
27. Question
27) An example of service-specific and localized corrosion is:-
CorrectIncorrect - Question 28 of 183
28. Question
28) Erosion can be defined as:-
CorrectIncorrect - 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
CorrectIncorrect - Question 30 of 183
30. Question
30) Environmental cracking of austenite stainless steels is caused many times by:-
CorrectIncorrect - 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:-
CorrectIncorrect - Question 32 of 183
32. Question
32) If environmental cracking is detected during internal inspection of pressure vessels, what should the inspector do?
CorrectIncorrect - 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?
CorrectIncorrect - 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?
CorrectIncorrect - Question 35 of 183
35. Question
35) Fatigue cracking of piping systems may result from
CorrectIncorrect - Question 36 of 183
36. Question
36) Where can fatigue cracking typically be first detected?
CorrectIncorrect - Question 37 of 183
37. Question
37) What are the preferred NDE methods for detecting fatigue cracking?
CorrectIncorrect - Question 38 of 183
38. Question
38) Creep is dependent on:-
CorrectIncorrect - 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
CorrectIncorrect - Question 40 of 183
40. Question
40) Brittle fracture can occur in carbon, low-alloy, and other ferritic steels at or
below __________CorrectIncorrect - Question 41 of 183
41. Question
41) Water and aqueous solutions in piping systems may freeze and cause failure because of the
CorrectIncorrect - 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:-
CorrectIncorrect - 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.
CorrectIncorrect - Question 44 of 183
44. Question
44) Name an additional opportunity for a normal non-destructive internal inspection of piping
CorrectIncorrect - Question 45 of 183
45. Question
45) Why is thickness measurement inspection performed?
CorrectIncorrect - Question 46 of 183
46. Question
46) Who performs a thickness measurement inspection ?
CorrectIncorrect - 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
CorrectIncorrect - Question 48 of 183
48. Question
48) Qualified operating or maintenance personnel also may conduct external visual inspections when :-
CorrectIncorrect - Question 49 of 183
49. Question
49) Who would normally report vibrating or swaying piping to engineering or inspection personnel ?
CorrectIncorrect - Question 50 of 183
50. Question
50) Thermography is used to check for :-
CorrectIncorrect - Question 51 of 183
51. Question
51) Thickness measurement locations (TMLs) are specific __________ along the piping circuit where inspections are to be made
CorrectIncorrect - Question 52 of 183
52. Question
52) The minimum thickness at each TML can be located by
CorrectIncorrect - Question 53 of 183
53. Question
53) Where appropriate, thickness measurements should include measurements at each of __________ on pipe and fittings
CorrectIncorrect - Question 54 of 183
54. Question
54) Where should special attention be placed when taking thickness measurements of an elbow ?
CorrectIncorrect - Question 55 of 183
55. Question
55) TMLs should be marked on inspection drawings and __________ to allow repetitive measurements
CorrectIncorrect - Question 56 of 183
56. Question
56) What is taken into account by an experienced inspector when selecting TMLs ?
CorrectIncorrect - Question 57 of 183
57. Question
57) In theory, a piping circuit subject to perfectly uniform corrosion could be adequately monitored with __________ TMLs
CorrectIncorrect - Question 58 of 183
58. Question
58) More TMLs should be selected for piping systems with any of the following characteristics :-
CorrectIncorrect - Question 59 of 183
59. Question
59) Fewer TMLs can be selected for piping systems with any of the following characteristics :-
CorrectIncorrect - Question 60 of 183
60. Question
60) TMLs can be eliminated for piping systems with the following characteristics
CorrectIncorrect - 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 ?
CorrectIncorrect - Question 62 of 183
62. Question
62) What thickness measuring technique does not require the removal of some external piping insulation ?
CorrectIncorrect - 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
CorrectIncorrect - Question 64 of 183
64. Question
64) Typical digital thickness gages may have trouble measuring thickness less than __________ inches
CorrectIncorrect - 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 :-
CorrectIncorrect - 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
CorrectIncorrect - Question 67 of 183
67. Question
67) The preferred medium for a pressure test is __________
CorrectIncorrect - 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
CorrectIncorrect - Question 69 of 183
69. Question
69) Piping fabricated of or having components of 300 series stainless steel should be tested with __________
CorrectIncorrect - 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
CorrectIncorrect - Question 71 of 183
71. Question
71) When a pipe requires post weld heat treatment, when should the pressure test be performed ?
CorrectIncorrect - 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
CorrectIncorrect - Question 73 of 183
73. Question
73) When using block valves to isolate a piping system for pressure test, what precaution should be taken ?
CorrectIncorrect - 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 :-
CorrectIncorrect - Question 75 of 183
75. Question
75) Name a part of a piping system that thickness measurements are not normally routinely taken
CorrectIncorrect - Question 76 of 183
76. Question
76) If environmental cracking is found during in-service inspection of welds, who assesses the problem ?
CorrectIncorrect - 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 ?
CorrectIncorrect - 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 :-
CorrectIncorrect - Question 79 of 183
79. Question
79) How should fasteners and gaskets be examined to determine whether they meet the material specifications
CorrectIncorrect - Question 80 of 183
80. Question
80) When checking flange and valve bonnet bolts for corrosion, what type of NDT is usually used ?
CorrectIncorrect - 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 ?
CorrectIncorrect - Question 82 of 183
82. Question
82) All process piping systems must be categorised into different classes. On what are the classifications selection based ?
CorrectIncorrect - Question 83 of 183
83. Question
82) (1) Inspection strategy based on likelihood and consequence of failure is called
CorrectIncorrect - 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
CorrectIncorrect - Question 85 of 183
85. Question
83) Listed below are several examples of a CLASS 1 piping system. Which one does not belong ?
CorrectIncorrect - 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 ?
CorrectIncorrect - Question 87 of 183
87. Question
85) Class 3 piping is described as being in services
CorrectIncorrect - Question 88 of 183
88. Question
86) Who establishes inspection interval for thickness measurements, external visual inspections and for internal and supplemental inspections ?
CorrectIncorrect - Question 89 of 183
89. Question
87) Thickness measurement inspection should be scheduled based on the calculation of not more than
CorrectIncorrect - 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
CorrectIncorrect - 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
CorrectIncorrect - 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
CorrectIncorrect - Question 93 of 183
93. Question
91) For Class 2 piping, the extent of CUI inspections on a system operating at – 45oF will be
CorrectIncorrect - Question 94 of 183
94. Question
92) Small bore piping (SBP) that is Class I shall be inspected
CorrectIncorrect - Question 95 of 183
95. Question
93) Inspection of small bore piping (SBP) that is secondary and auxiliary (associated with instruments and machinery) is
CorrectIncorrect - 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 :-
CorrectIncorrect - 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 ?
CorrectIncorrect - Question 98 of 183
98. Question
96) Using the information in question 95, calculate the short-term corrosion rate
CorrectIncorrect - Question 99 of 183
99. Question
97) Using the information in questions 95 and 96, determine the remaining life of the system
CorrectIncorrect - 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 ?
CorrectIncorrect - 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 ?
CorrectIncorrect - 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 ?
CorrectIncorrect - 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 ?
CorrectIncorrect - 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.
CorrectIncorrect - 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 ?
CorrectIncorrect - 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 ?
CorrectIncorrect - 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 ?CorrectIncorrect - Question 108 of 183
108. Question
106) The __________ shall maintain appropriate permanent and progressive records of each piping system covered by API 570.
CorrectIncorrect - 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 :-
CorrectIncorrect - 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
CorrectIncorrect - Question 111 of 183
111. Question
109) Authorization for alteration work to a piping system may be given by the inspector after :-
CorrectIncorrect - 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?”
CorrectIncorrect - 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 ) ?
CorrectIncorrect - 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 ?
CorrectIncorrect - Question 115 of 183
115. Question
113) Who must give approval for any on-stream welding ?
CorrectIncorrect - 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 :-
CorrectIncorrect - 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 ?
CorrectIncorrect - 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 ?
CorrectIncorrect - 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 :-
CorrectIncorrect - 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.
CorrectIncorrect - 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 :-
CorrectIncorrect - Question 122 of 183
122. Question
120) Temporary leak sealing and leak dissipating devices shall be removed and the pipe restored to original integrity :-
CorrectIncorrect - 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 :-
CorrectIncorrect - Question 124 of 183
124. Question
122) Any welding conducted on piping components in operation must be done in accordance with
CorrectIncorrect - Question 125 of 183
125. Question
123) All repair and alteration welding to piping systems shall be done in accordance with the :-
CorrectIncorrect - Question 126 of 183
126. Question
124) Welders and welding procedures used in making piping repairs, etc. shall be qualified in accordance with :-
CorrectIncorrect - 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 :-
CorrectIncorrect - 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).
CorrectIncorrect - 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
CorrectIncorrect - Question 130 of 183
130. Question
128) Piping butt joints shall be :-
CorrectIncorrect - Question 131 of 183
131. Question
129) When should piping components that need repair be replaced?
CorrectIncorrect - Question 132 of 183
132. Question
130) Fillet welded patches (lap patches) shall be designed by
CorrectIncorrect - Question 133 of 183
133. Question
131) Fillet welded lap patches (overlay patches) shall leave: –
CorrectIncorrect - Question 134 of 183
134. Question
132) Materials used in making welding repairs or alterations __________ be of known weldable quality :-
CorrectIncorrect - 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
CorrectIncorrect - 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
CorrectIncorrect - Question 137 of 183
137. Question
135) When are pressure tests normally required?
CorrectIncorrect - 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 ?
CorrectIncorrect - 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:-
CorrectIncorrect - 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:-
CorrectIncorrect - 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:-
CorrectIncorrect - 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 ?
CorrectIncorrect - 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 ?
CorrectIncorrect - 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 ?
CorrectIncorrect - 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 :-
CorrectIncorrect - Question 146 of 183
146. Question
144) Catholically protected buried piping should be monitored __________ to assure adequate levels of protection
CorrectIncorrect - 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 ?
CorrectIncorrect - Question 148 of 183
148. Question
146) How often should above-grade visual surveillance of a buried pipeline right-of-way be made ?
CorrectIncorrect - 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 ?
CorrectIncorrect - Question 150 of 183
150. Question
148) On buried piping, what is the frequency of pipe coating holiday surveys ?
CorrectIncorrect - 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.
CorrectIncorrect - 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.CorrectIncorrect - 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
CorrectIncorrect - Question 154 of 183
154. Question
152) After excavation of buried piping, if inspection reveals damaged coating or corroded piping :
CorrectIncorrect - Question 155 of 183
155. Question
153) If buried piping is contained inside a casing pipe, the casing should be :-
CorrectIncorrect - 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
CorrectIncorrect - Question 157 of 183
157. Question
155) The leak test for buried piping should be for a period of __________ hours.
CorrectIncorrect - 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?
CorrectIncorrect - 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 ?
CorrectIncorrect - 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 __________
CorrectIncorrect - Question 161 of 183
161. Question
159) Repairs to coating on buried piping may be tested using
CorrectIncorrect - Question 162 of 183
162. Question
160) If buried piping leaks are clamped and reburied:-
CorrectIncorrect - 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?
CorrectIncorrect - 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 ?
CorrectIncorrect - 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.
CorrectIncorrect - 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.
CorrectIncorrect - Question 167 of 183
167. Question
165) Which of the following qualifies as auxiliary piping?
CorrectIncorrect - Question 168 of 183
168. Question
166) CUI stands for: –
CorrectIncorrect - Question 169 of 183
169. Question
167) Deadlegs legs of a piping system are:-
CorrectIncorrect - Question 170 of 183
170. Question
168) A defect is an imperfection of a type or magnitude exceeding the __________ criteria.
CorrectIncorrect - 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.
CorrectIncorrect - Question 172 of 183
172. Question
170) An examiner is a person who __________ the inspector
CorrectIncorrect - 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
CorrectIncorrect - Question 174 of 183
174. Question
172) What is an imperfection?
CorrectIncorrect - Question 175 of 183
175. Question
173) __________: is a response or evidence resulting from the application of a non-destructive evaluation technique
CorrectIncorrect - Question 176 of 183
176. Question
174) What are points where chlorine is introduced in reformers, water is added in overhead systems, etc. called
CorrectIncorrect - 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 ?
CorrectIncorrect - 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
CorrectIncorrect - 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.
CorrectIncorrect - 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
CorrectIncorrect - Question 181 of 183
181. Question
179) What type of electrode should be used when welding a full encirclement repair sleeve?
CorrectIncorrect - Question 182 of 183
182. Question
180) Which of the following welding electrodes is low hydrogen?
CorrectIncorrect - Question 183 of 183
183. Question
181) When welding a small repair patch, the diameter of electrodes used should not exceed
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