1. An API Authorized Piping Inspector must have the required education, training and experience qualifications related to the design, construction, repair and inspection of piping systems. Authorized piping inspectors shall be qualified & certified in accordance with what code requirement?
A) API 570 Annex A B) API 570 Annex B
C) API 570 Piping Inspector Certification Program D) API 570 Annex C
2. An API Authorized Inspection Agency may be defined as any of these below except: A) Inspection organization of the jurisdiction in which the piping system is used
B) An owner or user of piping systems who maintains an inspection organization for activities relating to piping systems intended for sale or resale
C) An independent inspection organization employed by or under contract to the owner or user of piping systems that are used only by the owner or user and not for sale or resale
D) An independent inspection organization licensed or recognized by the jurisdiction in which the piping system is used & employed by or under contract to the owner or user
3. A Repair Organization may be defined as any of the following EXCEPT:
A) An owner or user of piping systems who repairs or alters his equipment per API 570 B) Contractor with qualifications acceptable to an owner or user of piping systems and who makes repairs or alterations in accordance with API 570
C) One who is authorized by, acceptable to, or otherwise not prohibited by a jurisdiction and who makes repairs in accordance with API 570
D) A Group outside of a Jurisdiction that travels into a new location and does Repair Work
4. Who is responsible for developing, documenting, implementing, executing, and assessing piping inspection systems and inspection procedures that will meet the requirements of the API 570 Inspection Code?
A) Owner/user organization B) Contractor with qualifications acceptable to owner/user C) Either A or B above D) Inspection Agency
5. API 570 Authorized Piping Inspectors are responsible to the Owner/User for all of the following EXCEPT:
A) Determining if API 570 requirements for inspection/examination/testing have been met B) Being directly involved in all inspection activities, including any examiners assisting him C) Evaluating & accepting (or rejecting) all examination results provided by any examiner
6. Each owner/user should provide specific attention to the need for inspection of piping systems that are susceptible to specific types and areas of deterioration. These include all EXCEPT: A) Injection points, deadlegs, Corrosion under insulation (CUI), Soil-to-air (S/A) interfaces B) Service specific & localized corrosion, Erosion & corrosion/erosion, Corrosion under linings C) Environmental cracking, Fatigue cracking, Creep cracking, brittle fracture & Freeze damage D) Contact point corrosion, Corrosion under deposits & Low temperature Corrosion
7. When an owner/user chooses to conduct RBI assessment of piping system, assessments must include a systematic evaluation for all items listed below EXCEPT:
A) Likelihood of failure based on forms of degradation reasonably expected in a given service B) Consequence of failure of the piping system in a given service
C) In accordance with API 580 and detailed methodology per API 581. D) In accordance with API 579 and detailed methodology per API 581.
8. When designating an injection point circuit for purposes of inspection, it may be appropriate to extend the circuit to the next piece of pressure equipment. However, API 570 recommended upstream limits of an injection point circuit for inspection purposes is (Assume a 14 NPS line): Problem: An injection point exists on a 14 NPS pipe … What is the upstream limit?
A) 42 inches, because the greater of 12 inches or 3D is required B) 64 inches, because the greater of 24 inches or 4D is required C) 70 inches, because the greater of 36 inches or 5D is required
D) This limit depends upon the service and must be a minimum of 24 inches
9. Thickness measurement inspection on hot surfaces must apply a 1% temperature correction factor for every 100°F when the surface temperature measures greater than:
A) 100°F B) 125°F C) 150°F D) 212°F
10. External visual inspections are used to identify all of the following except:
A) Corrosion (at supports & at interface corrosion points), Coating/Insulation deterioration. B) Support Condition (Inadequate supports, loose supports, spacing (gaps) not having bearing C) Leaks (Flanged joints, Steam tracing, existing clamps, valve stems, seal welds, threads, etc) D) Condition of externally accessible surfaces after any piping flanges are opened
11. Issues to consider when assessing the quality of existing piping system welds are:
A) Original fabrication inspection acceptance criteria & extent/magnitude/orientation of flaws B) Length of time in-service, operating versus design conditions, Stresses (residual & thermal) C) Potential for fatigue loads (mechanical & thermal) & potential for impact or transient loads D) All of the above including potential for environmental cracking and the weld hardness
12. Long-term and short-term corrosion rates should be compared to see which results in the shortest remaining life as part of the data assessment. Who is responsible to select the corrosion rate that best reflects the current process?
A) Piping Engineer after consultation with the Corrosion Engineer B) Authorized Inspector after consultation with a Corrosion Engineer
C) Authorized Inspector determines the rate that best reflects the current process
D) Authorized Piping Engineer determines Corrosion Rate based on Inspector’s recommendation
13. The owner/user or the inspector may establish inspection intervals and the thickness measurements should be scheduled based on all of the following EXCEPT:
A) Not more than half the remaining life as determined from calculated corrosion rates B) At maximum intervals recommended in Table 2 for a given Class of piping
C) Both A & B above are correct, and any of these values may be used D) The lesser value of A or B above should be selected.
14. Proper safety precautions shall be taken before any piping system is opened & before some types of external inspections. In general, all the following safety precautions apply except: A) Procedure for segregating piping systems, installing blanks (blinds) & testing tightness B) Opened piping should be isolated from all sources of harmful liquids, gases, or vapors and purged to remove all oil and toxic or flammable gases and vapors.
C) Before starting inspection, inspection personnel should obtain permission to work in the vicinity from operating personnel responsible for the piping system, & wear any PPE for work. D) NDE equipment meets OSHA safety requirements for hazardous electrical equipment.
15. The owner/user shall maintain appropriate permanent and progressive records of each piping system covered by API 570 for all of the following items EXCEPT:
A) Piping system service, classification, identification numbers, & inspection intervals B) Documents recording details of testing (inspector/examiner, date, types of testing, etc) C) Results of thickness measurements & other tests, inspections, repairs (temp/permanent), alterations, or rerating. Design information and piping drawings may be included
D) Fitness for service assessment plans and strategies
16. All repair & alteration work must be done by a ___________ (a) organization as defined in Sect. 3 of API 570 and must be authorized by the __________ (b) prior to its commencement. Authorization for alteration work to a piping system may not be given without prior consultation with and approval by, the _________ _________ (c). The ________ (d, same answer as b above) will designate any inspection hold points required during the repair or alteration sequence. Key elements above have been left blank, so select the correct response below.
A) Owner/user (a), Examiner (b & d), Authorized Inspector (c) B) Repair (a), Examiner (b & d), Authorized Inspector (c) C) Repair (a), Inspector (b & d), Piping Engineer (c) D) Repair (a), Inspector (b & d), Corrosion Specialist (c)
17. Rerating piping systems by changing MAWP & / or temperature rating may be done only if all of the following requirements below have been met except (Select answer that is incorrect): A) Piping system uses same pressure relieving device settings if capacity is not affected
B) Calculations are performed by the piping engineer or the inspector C) Rerating is acceptable to the inspector or piping engineer
D) All piping system components are adequate for the new combination of pressure/temperature
18. For existing insulated lines that are being pressure tested after repairs, rerating, or alteration, it is not necessary to strip insulation on all existing welds. However, what actions should be taken in lieu of stripping away of all of the insulation for the test?
A) Pressure test with shorter hold times & perform a close pressure gauge examination B) Pressure test with longer hold times & observe pressure gauges carefully during the test C) Check the line carefully at all exposed areas looking for small leaks
D) Pressure test with longer hold times & match mark pressure gauges before leaving the site
19. The API-570 Piping Inspection Code applies to:
A) Inspection, rating, repair, & alteration procedures for piping systems already in-service B) May be used for modification or addition of new piping systems constructed per the code C) May be used when in conflict with any prevailing regulatory requirements
D) Pressure vessels, heaters, or heat exchanger internal or external piping
20. API-570 Piping Inspection Code is intended for use and may be used by all of these EXCEPT:
A) Those in the Refinery Industry B) Those in the Chemical Process industry C) Those in the Pharmaceutical Industry
21. Soil to air interface zone is generally located “where” on a piping system? A) 12 inches below to 6 inches above grade
B) 12 inches below and 12 inches above grade
C) Pipe running parallel to and less than 300 mm above the soil line D) Both A & C are correct
22. Loss of ductility/notch toughness in susceptible low alloy steels, such as ≤ 2-1/4 Cr is due to: A) Prolonged services at low temperature (-20 F)
B) Prolonged service at high pressure and temperature C) Prolonged service at high temperature (700 F – 1070 F) D) Prolonged operation at high cyclical service
23. ______ points are areas defined by a circle having a diameter not greater than 2 inches for a line diameter not exceeding 10 inches or not greater than 3 inches for larger lines.
A) Hold
B) Examination C) Witness D) Area
24. Before performing any of the required inspections, inspectors shall familiarize themselves with all of the following EXCEPT:
A) Review piping system prior inspection results B) Review previous piping system repairs C) Review previous history of the piping system D) Review previous Inspection Plan
25. Injection points are sometimes subject to accelerated corrosion from normal or abnormal operating conditions, and because of this injection points are treated as:
A) A separate inspection circuit needing thorough inspection on a regular schedule B) A part of the circuit that needs to be inspected regularly per API 570 requirements C) Both A or B above are correct
26. Examples of environmental cracking include all of the following except: A) Chloride SCC of Austenitic SS
B) Polythionic acid SCC of sensitized austenitic alloy steels C) Temper Embrittlement & Creep
B) Caustic SCC (caustic embrittlement)
27. Deadlegs include all of the following EXCEPT: A) Lines with one end blanked
B) Control valve bypass lines
C) Relief valve inlet and outlet header piping
D) Sample points, drains, bleeders, and instrument connections
28. Typical sources of moisture that cause corrosion under insulation (CUI) include: A) Breaks, holes or sealant deterioration in insulation
B) Rain, water leaks, condensation and deluge systems
C) Cooling Towers located downwind from Plant Prevailing winds D) Both “A” and ”B” are correct
29. Carbon steel piping systems, including those insulated for personnel protection, are susceptible to CUI when operating at temperatures between:
A) 25°F & 212°F B) -4°C & 100°C C) Both “A” & “B” D) None of the above
30. Regarding reporting & records, Computer programs are particularly useful for: A) Storing thickness readings
B) Calculating short and long-term corrosion rates, retirement dates, MAWP, and reinspection intervals on a test-point by test-point basis.
C) Highlighting areas of high corrosion rates & circuits overdue for inspection & circuits close to retirement thickness
D) All of these
31. Fasteners should extend completely through their nuts. Any fastener failing to do so is considered acceptably engaged if the lack of complete engagement is not more than: A) One thread B) Two threads C) flush with nut face D) None of these
32. When reviewing RT film, a darkened perfectly straight line can be seen in the very center of the root pass (lightest area). The length of the line is about 75mm long. It is likely which type of discontinuity?
A) Incomplete penetration B) Incomplete fusion
C) Wormhole porosity D) Crack
33. Which of the following welding imperfections can the MT yoke technique detect? A) Surface cracks (welds, base metal) open to surface allowing detection by flux leakage B) Surface imperfections (laps, seams, delaminations, etc) open to the surface
C) Both “A” & “B” are correct. MT can detect linear imperfections open to the surface D) All of the above are correct, and even shallow subsurface imperfections may be detected
34. The transmitted film density through the radiographic image of the body of the appropriate hole IQI was measured with a densitometer at 2.8 in the area of interest. What is the acceptable range of density in the area of interest for the film (assume no shims were used with the IQI)? A) 2.4 to 3.6 (2.38 to 3.64), applying the -15% +30% rule
B) 2.0 to 4.0 if a Gamma ray source was used C) 1.8 to 4.0 if an X-Ray source was used D) Both B & C are correct
35. Which of the following types of imperfections cannot be detected by radiography? A) Cracks
B) Incomplete Penetration C) Slag or Porosity D) Laminations
36. Which of the following imperfections may appear as a dark round spots using radiography? A) Cracks and Incomplete Penetration
B) Porosity or Burn through C) Slag and Incomplete fusion D) Laminations
37. Which of the following imperfections may appear as a light white spot using radiography? A) Cracks
B) Incomplete Penetration C) Porosity
38. API 578 gives rules for Alloy Verification for: A) Carbon steel piping material for old or new piping. B) Alloy steel piping materials, for old or new piping. C) Carbon steel materials used for old piping only. D) Alloy steels used for old piping only.
39. ASME IX Mechanical Tests (Tension Tests) are used to determine the: A) Ultimate strength of groove-weld joints
B) Degree of soundness and ductility of groove-weld joints C) Notch toughness of the weld
D) None of the above
40. ASME IX Mechanical Tests (Guided-Bend Tests) are used to determine the: A) Ultimate strength of groove-weld joints
B) Degree of soundness and ductility of groove-weld joints C) Notch toughness of the weld
D) None of the above
41. ASME IX Mechanical Tests (Charpy Impact Tests) are used to determine the: A) Ultimate strength of groove-weld joints
B) Degree of soundness and ductility of groove-weld joints C) Notch toughness of the weld
D) None of the above
Category D Fluid Service is a service where:
A) Fluid handled is nonflammable, nontoxic, & not damaging to human tissues B) Design gage pressure does not exceed 1035 kPa (150 psi)
C) Design temperature is from −29°C (−20°F) through 186°C (366°F) D) All of the above are correct
43. API 574 External Inspection Checklist for insulation covers all the following except: A) Damage/penetrations in insulation
B) Missing jacketing & insulation C) Liner deterioration
44. The basic types of valves include all of the following except:
A) Gate / globe B) Plug / Ball C) Diaphragm / Butterfly D) Check / Slip
45. Valves are made in standard pipe sizes, materials, body thickness, and pressure ratings that permit them to be used in any pressure-temperature service in accordance with ASME ________ or API Standards 599, 600, 602, 603, 608, or 609, as applicable.
A) ASME B16.24 B) ASME B16.20 C) ASME B16.47 D) ASME B16.34
A B C
46. Illustrations (API 574) above identify valve types A, B & C respectively (in order): A) Diaphragm … Slip … Check
B) Gate … Ball … Diaphragm C) Gate … Globe … Check D) Gate … Globe … Butterfly
A B C D
47. Illustrations (API 574) above identify the fittings A, B, C, & D respectively (in order): A) Reducer, Tee, Coupling, Special Tee B) Reducer, Tee, Union, Cross C) Reducer, Wye, Union, Special Tee D) Reducer, Wye, Union, Cross
A B C
48. In illustrations from API 574, identify the flange facings A, B, & C respectively (in order): A) Raised Face (RF) … Flat Face (FF) … Ring Type Face (RTF)
B) Flat Face (FF) … Raised Face (RF) … Ring Type Joint (RTJ) C) Raised Face (RF) … Ring Type Joint (RTJ) … Flat Face (FF) D) Raised Face (RF) … Flat Face (FF) … Ring Type Joint (RTJ)
49. On-stream inspection can reduce downtime by:
A) Extending process runs by assuring piping conditions are suitable for continued operation. B) Permitting fabrication of replacement piping before a shutdown.
C) Eliminating unnecessary work and reducing shutdown personnel requirements D) All of the above are correct
50. Erosion is defined as the removal of surface material by the action of numerous individual impacts of solid or liquid particles, or cavitation. It can be characterized by grooves, rounded holes, waves, and valleys in a directional pattern. A combination of corrosion and erosion known as corrosion/erosion results in significantly greater metal loss than can be expected from
corrosion or erosion alone. Corrosion/erosion occurs at: A) High velocity and high turbulence areas
B) Downstream of control valves, orifices, and pump discharges
C) At any point of flow direction change, such as the outside radius of elbows D) All of the above
51. Which of the following statements are correct?
A) Soil resistivity is a measure of resistance used by drilling operations in oil exploration and it has no connection with corrosive soil
B) Lower soil resistivity indicates less corrosive soil
C) Soil resistivity has nothing to do with corrosiveness of soil because soil corrosion depends on the amount of corrosive chemicals present in the soil
D) Higher soil resistivity indicates less corrosive soil
52. Who shall be responsible to the owner-user for determining that the requirements of API 570 for inspection, examination and testing are met.
A) Engineer B) Inspector C) Repair Organization D) Operating Personnel
53. Which of the following are mandatory requirement(s) for re-rating a piping system? A) Calculations must be performed by the piping engineer or the inspector
B) Current insp. records shall be reviewed to verify that piping system is satisfactory for the proposed service conditions & an appropriate corrosion allowance has been provided C) The piping system is checked to affirm that the required pressure relieving devices are
present, are set at appropriate pressure & have appropriate capacity at the set pressure D) All of the above
54. After completion of alterations or major repairs, a pressure test is: A) Normally required
B) Not required or sometimes required
C) Required if deemed necessary by the Examiner D) Both “A” and “C”
55. Which of the following are areas susceptible to CUI given the following information? Given Information: Carbon Steel piping system operating in the temperature range of 25°F to 250°F is located near steam vents and a cooling tower, and is 100% insulated!
A) The entire insulated line in this piping system is susceptible to CUI B) Those areas exposed to the steam vents are susceptible to CUI
C) Only those areas directly exposed to cooling tower mists are susceptible to CUI D) None of these
56. Which of the following conditions have the “highest potential” to create an emergency should a leak occur in a Class 1 piping system containing flammable fluids?
A) Rapid vaporization on leakage B) Slow vaporization on leakage C) No significant vaporization D) None of the above
57. Any welding conducted on piping components in operation must be done in accordance with this document, and Inspector shall use as a minimum “Suggested Hot Tap Checklist” contained in this document for hot tapping performed on piping components. Which of the following documents referenced in API 570 addresses hot tapping?
A) API 2201 B) API 574
C) ASME B31.3 D) None of the above
58. The preferred method for inspecting piping coating for defects before burial is: A) Visual inspection only B) Holiday Survey
C) Magnetic Particle D) Liquid Penetrant
59. Which of the following API 570 cases does NOT require the approval from the piping engineer and is not considered an “alteration” as defined by API 570?
A) Changing out a damaged flange with a new flange of the same rating and material B) Adding a small bore attachment (branch connection) not requiring reinforcement C) Changing a branch connection (no required reinforcement) to one requiring a repad D) Both “A” and ”B” above are not alterations & do not require piping engineer approval
60. Fillet welded patches (lap patches) shall be designed by: A) Corrosion Engineer
B) B) Inspector C) C) Piping Engineer D) D) Repair Organization.
61. Guided bend tests represent what qualities in a weld?
A) Ductility B) Strength C) Soundness D) Both ductility & soundness
62. A Procedure Qualification Record (PQR) is a document that can be changed (revised). This statement (according to ASME IX requirements) is:
A) True, because editorial corrections or addenda to the PQR are allowed B) False, because changes to the PQR are not permitted
C) True, but this depends on the company policy D) True, but the depends on the client of the company
63. The following data is available to compute remaining life of a piping circuit: Minimum required thickness = 0.422 inches
Actual thickness measured = 0.512 inches Corrosion rate = 0.018 inches/year or 18 mpy The Remaining life for this circuit will be:
A) 5.0 years B) 4.5 years C) 6.0 years D) None of the above
64. The WPS and the PQR are used to determine: A) If the welder is able to deposit sound weld metal B) If the welder is able to operate welding equipment
C) The welder’s ability to produce welds that are radiographically free of defects
D) If a weldment has the required properties for the intended application (strength, ductility)
65. Which of the following penetrant systems is generally considered the least sensitive? A) Water washable – visible dye
B) Solvent removable – visible dye C) Water washable – fluorescent dye D) Post-emulsification – visible dye
66. To verify satisfactory PWHT, what test is conducted per ASME B31.3 requirements? A) Radiography
B) Ultrasonic
C) Hardness survey D) None of these
67. In qualifying a procedure for Visual Examination, a defect of what minimum width shall be used?
A) 1/16 inch B) 1/8 inch
C) 1/32 inch
D) None of the above
68. Magnetic Particle examination methods can detect which of these discontinuities? E) Deep sub-surface cracks
F) Surface cracks
G) Both “A” & “B” H) None of these
69. API 578 gives rules for Alloy Verification for: E) Carbon steel piping material for old or new piping F) Alloy steel piping materials, for old or new piping G) Carbon steel materials used for old piping only H) Alloy steels used for old piping only
70. Regarding the thickness measurement of small diameter piping NPS 1 & smaller, the best NDT technique (preferred method) to use is:
A) Ultrasonic thickness technique B) B) Radiographic profile technique C) Either A or B is okay
71. For recalculating Piping Circuit MAWP, what computation determines wall thickness? A) Actual thickness as determined by inspection
B) Actual thickness minus estimated corrosion loss before the next inspection date
C) Actual thickness minus twice the estimated corrosion loss before the next inspection date D) None of the above
72. A typical injection point pipe circuit starts upstream of the injection point (how far): A) 12 inches
B) 12 inches or 2 times pipe diameter, whichever is greater C) 12 inches or 3 times pipe diameter, whichever is lesser D) 12 inches or 3 times pipe diameter, whichever is greater
73. What term best describes a physical change in a component that has design implications affecting pressure containing capability or flexibility of a piping system beyond the scope of the original design.
A) Rerating B) Repair C) Alteration D) Assembly
74. Who has responsibility to the owner/user that includes the supply of materials, equipment, quality control and workmanship necessary to maintain and repair piping systems per API 570?
A) Repair organization B) Inspection Agency C) Contractor D) Piping Engineer
75. Injection points are sometimes subject to accelerated corrosion from normal or abnormal operating conditions. Because of this, how must they be treated?
A) Injection points may be treated as a separate inspection circuit B) Injection points are treated as any other piping in the plant C) Injection points require no special treatment
