Download - 2 - 2011 570 Closed Book Exam (75Qs)

Transcript
  • 7/28/2019 2 - 2011 570 Closed Book Exam (75Qs)

    1/15

    Name:_____________________ Badge #:_____________________ Date in 2011:

    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 BC) 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 resaleC) 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 whichthe 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 570C)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 assessingpiping 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 thefollowing 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 examinerD) Settle all nonconformances by having repairs done quickly based on the inspectors findings

  • 7/28/2019 2 - 2011 570 Closed Book Exam (75Qs)

    2/15

    Name:_____________________ Badge #:_____________________ Date in 2011:

    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 liningsC) 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 serviceB) 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 appropriateto 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 requiredC) 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 correctionfactor for every 100F when the surface temperature measures greater than:

    A) 100F B) 125F C) 150F D) 212F

    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

  • 7/28/2019 2 - 2011 570 Closed Book Exam (75Qs)

    3/15

    Name:_____________________ Badge #:_____________________ Date in 2011:

    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 loadsD) 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 corrosionrate 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 Inspectors recommendation

    13. The owner/user or the inspector may establish inspection intervals and the thicknessmeasurements 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 pipingC) 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 tightnessB) 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 thevicinity 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

  • 7/28/2019 2 - 2011 570 Closed Book Exam (75Qs)

    4/15

    Name:_____________________ Badge #:_____________________ Date in 2011:

    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 consultationwith 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 inspectorC) 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 testC) 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-serviceB) May be used for modification or addition of new piping systems constructed per the codeC) May be used when in conflict with any prevailing regulatory requirementsD) 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 theseEXCEPT:

    A) Those in the Refinery IndustryB) Those in the Chemical Process industryC) Those in the Pharmaceutical IndustryD) Whoever wants to use it and has an Inspector

  • 7/28/2019 2 - 2011 570 Closed Book Exam (75Qs)

    5/15

    Name:_____________________ Badge #:_____________________ Date in 2011:

    21. Soil to airinterface 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 temperatureC) Prolonged service at high temperature (700 F1070 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 aline diameter not exceeding 10 inches or not greater than 3 inches for larger lines.

    A) HoldB) ExaminationC) WitnessD) 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

    D) None of these are correct

  • 7/28/2019 2 - 2011 570 Closed Book Exam (75Qs)

    6/15

    Name:_____________________ Badge #:_____________________ Date in 2011:

    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 & CreepB) Caustic SCC (caustic embrittlement)

    27. Deadlegs include all of the following EXCEPT:

    A) Lines with one end blankedB) Control valve bypass linesC) Relief valve inlet and outlet header pipingD) 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 insulationB) Rain, water leaks, condensation and deluge systemsC) Cooling Towers located downwind from Plant Prevailing windsD) 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) 25F & 212F B) -4C & 100C C) Both A & B D) None of the above

    30. Regarding reporting & records, Computer programs are particularly useful for:

    A) Storing thickness readingsB) 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 thicknessD) 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 threadB) Two threads C) flush with nut face D) None of these

  • 7/28/2019 2 - 2011 570 Closed Book Exam (75Qs)

    7/15

    Name:_____________________ Badge #:_____________________ Date in 2011:

    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 fusionC) 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 leakageB) Surface imperfections (laps, seams, delaminations, etc) open to the surfaceC) Both A & B are correct. MT can detect linear imperfections open to the surfaceD) 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 acceptablerange 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% ruleB) 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) CracksB) Incomplete PenetrationC) Slag or PorosityD) Laminations36. 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

    D) Tungsten Inclusion

  • 7/28/2019 2 - 2011 570 Closed Book Exam (75Qs)

    8/15

    Name:_____________________ Badge #:_____________________ Date in 2011:

    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 29C (20F) through 186C (366F)

    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 & insulationC) Liner deterioration

    D) Banding (broken/missing)

  • 7/28/2019 2 - 2011 570 Closed Book Exam (75Qs)

    9/15

    Name:_____________________ Badge #:_____________________ Date in 2011:

    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

  • 7/28/2019 2 - 2011 570 Closed Book Exam (75Qs)

    10/15

    Name:_____________________ Badge #:_____________________ Date in 2011:

    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 TypeJoint (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 requirementsD) 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 knownas 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 dischargesC) At any point of flow direction change, such as the outside radius of elbows

    D) All of the above

  • 7/28/2019 2 - 2011 570 Closed Book Exam (75Qs)

    11/15

    Name:_____________________ Badge #:_____________________ Date in 2011:

    51. Which of the following statements are correct?

    A) Soil resistivity is a measure of resistance used by drilling operations in oil explorationand it has no connection with corrosive soil

    B) Lower soil resistivity indicates less corrosive soilC)

    Soil resistivity has nothing to do with corrosiveness of soil because soil corrosiondepends 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 inspectorB) 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 arepresent, are set at appropriate pressure & have appropriate capacity at the set pressure

    D) All of the above54. After completion of alterations or major repairs, a pressure test is:

    A)Normally required

    B)Not required or sometimes requiredC) Required if deemed necessary by the ExaminerD) 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 25F

    to 250F 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 CUIB) Those areas exposed to the steam vents are susceptible to CUIC) Only those areas directly exposed to cooling tower mists are susceptible to CUID)None of these

  • 7/28/2019 2 - 2011 570 Closed Book Exam (75Qs)

    12/15

    Name:_____________________ Badge #:_____________________ Date in 2011:

    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 leakageB) Slow vaporization on leakageC) No significant vaporizationD) 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 2201B) API 574C) ASME B31.3D)None of the above

    58. The preferred method for inspecting piping coating for defects before burial is:

    A) Visual inspection only B) Holiday SurveyC) 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 materialB) Adding a small bore attachment (branch connection) not requiring reinforcementC) Changing a branch connection (no required reinforcement) to one requiring a repadD) 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 EngineerB) B) InspectorC) C) Piping EngineerD) D) Repair Organization.

  • 7/28/2019 2 - 2011 570 Closed Book Exam (75Qs)

    13/15

    Name:_____________________ Badge #:_____________________ Date in 2011:

    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 inchesCorrosion 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 metalB) If the welder is able to operate welding equipmentC) The welders 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 washablevisible dyeB) Solvent removablevisible dyeC) Water washablefluorescent dye

    D) Post-emulsificationvisible dye

  • 7/28/2019 2 - 2011 570 Closed Book Exam (75Qs)

    14/15

    Name:_____________________ Badge #:_____________________ Date in 2011:

    66. To verify satisfactory PWHT, what test is conducted per ASME B31.3 requirements?

    A) RadiographyB) UltrasonicC) Hardness surveyD)

    None of these

    67. In qualifying a procedure for Visual Examination, a defect of what minimum width

    shall be used?

    A) 1/16 inchB) 1/8 inchC) 1/32 inchD)None of the above

    68. Magnetic Particle examination methods can detect which of these discontinuities?

    E) Deep sub-surface cracksF) Surface cracksG) Both A & BH)None of these

    69. API 578 gives rules for Alloy Verification for:

    E) Carbon steel piping material for old or new pipingF) Alloy steel piping materials, for old or new pipingG) Carbon steel materials used for old piping onlyH) 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 techniqueB) B) Radiographic profile techniqueC) Either A or B is okay

    D) None of the above

  • 7/28/2019 2 - 2011 570 Closed Book Exam (75Qs)

    15/15

    Name:_____________________ Badge #:_____________________ Date in 2011:

    71. For recalculating Piping Circuit MAWP, what computation determines wall thickness?

    A) Actual thickness as determined by inspectionB) Actual thickness minus estimated corrosion loss before the next inspection dateC) Actual thickness minus twice the estimated corrosion loss before the next inspection dateD)

    None of the above

    72. A typical injection point pipe circuit starts upstream of the injection point (how far):

    A) 12 inchesB) 12 inches or 2 times pipe diameter, whichever is greaterC) 12 inches or 3 times pipe diameter, whichever is lesserD) 12 inches or 3 times pipe diameter, whichever is greater

    73. What term best describes a physical change in a component that has designimplications 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 Engineer75. 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 circuitB) Injection points are treated as any other piping in the plantC) Injection points require no special treatmentD)None of the above