Pressure Vessel Inspection and Authorized Inspectors

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Questions and Answers

Which of the following is NOT an example of an authorized inspection agency?

  • An independent organization or individual under contract to and under the direction of an owner-operator
  • The inspection organization of the jurisdiction in which the pressure vessel is used
  • A consulting engineer's firm (correct)
  • The inspection organization of an insurance company licensed or registered to write pressure vessel insurance

What is the primary purpose of a condition-monitoring location (CML)?

  • To determine the thickness of the pressure vessel
  • To monitor the condition of the vessel using various examination methods (correct)
  • To inspect the entire pressure vessel
  • To repair or alter the pressure vessel

Who can perform inspections under the Pressure Vessel Inspection Code?

  • Any independent contractor with no certification
  • Any employee of an authorized inspection agency (correct)
  • Any employee of an owner-operator of pressure vessels
  • Any employee of an insurance company

What is the term used to refer to an authorized pressure vessel inspector in API 510?

<p>Inspector (B)</p> Signup and view all the answers

What is the minimum requirement for an owner-operator's inspection program when using contract inspectors?

<p>The program must provide the controls necessary (C)</p> Signup and view all the answers

What is a thickness-monitoring location (TML)?

<p>A type of condition-monitoring location (C)</p> Signup and view all the answers

Who can be an authorized inspection agency?

<p>Any of the listed options (C)</p> Signup and view all the answers

What is the primary purpose of an authorized inspection agency?

<p>To perform inspections under the Pressure Vessel Inspection Code (C)</p> Signup and view all the answers

What is the primary responsibility of an owner-operator in regards to pressure vessels?

<p>Exercising control of the vessel and pressure relief device inspection program (D)</p> Signup and view all the answers

What is the abbreviation for Procedure Qualification Record?

<p>PQR (C)</p> Signup and view all the answers

What is the term for Corrosion Under Insulation?

<p>CUI (A)</p> Signup and view all the answers

What is the purpose of Postweld Heat Treatment (PWHT)?

<p>To relieve stresses in the weld (A)</p> Signup and view all the answers

What is the abbreviation for Phased Array Ultrasonic Examination?

<p>PAUT (C)</p> Signup and view all the answers

What is the term for Minimum Design Metal Temperature?

<p>MDMT (C)</p> Signup and view all the answers

What is the abbreviation for Gas Metal Arc Welding?

<p>GMAW (A)</p> Signup and view all the answers

What is the term for Pressure Equipment Integrity?

<p>PEI (D)</p> Signup and view all the answers

What is the definition of an in-service pressure vessel?

<p>A pressure vessel that is idle in an operating site or inactive due to a process outage. (B)</p> Signup and view all the answers

What is the purpose of an inspection plan?

<p>To outline the strategy for inspecting, examining, repairing, and maintaining a pressure vessel or PRD. (B)</p> Signup and view all the answers

What is the API 510 code referred to as in the pressure vessel inspection code?

<p>Inspection Code (A)</p> Signup and view all the answers

What is the primary role of an authorized inspector?

<p>To conduct external, internal, or on-stream evaluations of a pressure vessel. (A)</p> Signup and view all the answers

What is the term for established limits for process variables that can affect the integrity of a pressure vessel?

<p>Integrity Operating Window (B)</p> Signup and view all the answers

What type of inspection involves evaluating a pressure vessel from the inside using visual and/or NDE techniques?

<p>Internal inspection (C)</p> Signup and view all the answers

What is the term for corrosion that is confined to a limited or isolated area of a pressure vessel?

<p>Localized corrosion (A)</p> Signup and view all the answers

What is the term for a legally constituted governmental administration that adopts rules relating to pressure vessels?

<p>Jurisdiction (C)</p> Signup and view all the answers

What is the primary purpose of a management of change (MOC) process?

<p>To document and approve changes to pressure vessels (B)</p> Signup and view all the answers

What is the primary purpose of a manufacturer's data report?

<p>To certify the materials of construction meet specified standards (D)</p> Signup and view all the answers

What is the minimum design metal temperature (MDMT) based on?

<p>The resistance of the material to brittle fracture (D)</p> Signup and view all the answers

What is the primary difference between a major repair and an alteration?

<p>The impact on the design temperature or MAWP (D)</p> Signup and view all the answers

What is the maximum allowable working pressure (MAWP) based on?

<p>The minimum thickness of the vessel's shell, exclusive of corrosion allowance (C)</p> Signup and view all the answers

What is the primary purpose of a rerating assessment?

<p>To obtain a revised MAWP after changes to the vessel (B)</p> Signup and view all the answers

What is included in the calculation of the maximum allowable working pressure (MAWP)?

<p>The minimum thickness of the vessel's shell, static head pressure, and nonpressure loads (A)</p> Signup and view all the answers

What is the primary difference between the minimum allowable temperature (MAT) and the minimum design metal temperature (MDMT)?

<p>The MAT is an envelope of temperatures, while the MDMT is a single temperature (C)</p> Signup and view all the answers

What is the primary responsibility of an owner-operator in relation to pressure vessels and relief devices?

<p>To control activities related to rating, repair, alteration, and engineering assessments (B)</p> Signup and view all the answers

What is the purpose of an owner-operator's quality assurance (QA) inspection/repair management system?

<p>To contain and maintain inspection systems, inspection/repair systems, and procedures (A)</p> Signup and view all the answers

What is included in the owner-operator's inspection plans?

<p>Developing and documenting inspection plans and risk-based assessments (C)</p> Signup and view all the answers

What is the purpose of internal auditing for compliance with the QA inspection manual?

<p>To ensure compliance with the QA inspection manual (C)</p> Signup and view all the answers

What is required for inspection personnel regarding inspection tools, techniques, and technical knowledge base?

<p>Only training requirements (C)</p> Signup and view all the answers

What is required for all repairs and alterations?

<p>All of the above (D)</p> Signup and view all the answers

What is the purpose of controls necessary for inspection measurement, NDE, and testing equipment?

<p>To ensure that all inspection measurement, NDE, and testing equipment are properly maintained and calibrated (B)</p> Signup and view all the answers

What is required for contract inspection or repair organizations?

<p>The work of contract inspection or repair organizations meets the same inspection requirements as the owner-operator organization (D)</p> Signup and view all the answers

What is the requirement for inspectors in relation to annual vision tests?

<p>Inspectors must have an annual vision test and be capable of reading standard J-1 letters on standard Jaeger eye test type charts for near vision (A)</p> Signup and view all the answers

What is the purpose of the owner-operator's quality assurance (QA) inspection/repair management system in relation to pressure-relieving devices (PRDs)?

<p>To establish internal auditing requirements for the QC system for PRDs (C)</p> Signup and view all the answers

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Study Notes

Authorized Inspection Agency and Inspector

  • An authorized inspection agency is one of the following: inspection organization of the jurisdiction, insurance company, owner-operator, or independent organization under contract to an owner-operator.
  • An authorized pressure vessel inspector is an employee of an authorized inspection agency, qualified and certified to perform inspections under this code.

Pressure Vessel Inspection

  • In-service inspection is all inspection activities associated with a pressure vessel after installation, but before it is decommissioned.
  • Inspection is the external, internal, or on-stream evaluation of the condition of a vessel conducted by the authorized inspector or designee.
  • Inspection plan is a strategy defining how and when a pressure vessel or PRD will be inspected, examined, repaired, and/or maintained.

Pressure Vessel Terms

  • Condition-monitoring location (CML) is a designated area on pressure vessels where periodic examinations are conducted to directly assess and monitor the condition of the vessel.
  • Integrity operating window (IOW) is established limits for process variables that can affect the integrity of the equipment if the process operation deviates from the established limits for a predetermined amount of time.
  • Maximum allowable working pressure (MAWP) is the maximum gauge pressure permitted at the top of a pressure vessel in its operating position for a designated temperature.
  • Minimum design metal temperature/minimum allowable temperature (MDMT/MAT) is the lowest permissible metal temperature for a given material at a specified thickness based on its resistance to brittle fracture.

Owner-Operator Inspections Organization

  • The owner-operator is responsible for the function of an authorized inspection agency and controls activities relating to the rating, repair, alteration, and engineering assessments of its pressure vessels and relief devices.
  • The owner-operator inspection organization shall develop, document, implement, execute, and assess pressure vessel/pressure-relieving device inspection systems, inspection/repair systems, and procedures that meet the requirements of this inspection code.

Owner-operator Systems and Procedures

  • The owner-operator organization shall document and maintain a quality assurance (QA) inspection/repair management system that includes:
  • Organization and reporting structure for inspection personnel
  • Documenting of inspection and QA procedures
  • Documenting and reporting inspection, examination, and test results
  • Developing and documenting inspection plans
  • Developing and documenting risk-based assessments applied to inspection activities
  • Establishing and documenting the appropriate inspection intervals
  • Corrective action for inspection and test results
  • Internal auditing for compliance with the QA inspection manual
  • Review and approval of drawings, design calculations, engineering assessments, and specifications for repairs, alterations, and reratings

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