API 510 (Pressure Vessel Inspection Code) Study Guide With Multiple Choices Questions And Answers

API 510 coverage - Correct Answers In-service inspection, repair, alteration, and rerating activities for pressure vessels and the pressure- relieving devices API 510 includes - Correct Answersa) vessels constructed with construction code b) vessels constructed with no construction code c) vessels constructed and approved as jurisdictional special d) A vessel fabricated with no nameplate or stamping Organisation that resticted/assign by owner - Correct Answersa. An authorized inspection agency b. A repair organization c. An engineer d. An inspector e. Examiners Limitation - Correct Answersa. If the requirements of this code are more stringent than the requirements of the regulation, then the requirements of this code shall govern. b. This code does not permit conflict with others regulatory requirements Excluded and Optional Services - Correct Answersa. Pressure vessels on movable structures ■ Cargo or volume tanks for trucks, ships, and barges ■ Air receivers associated with braking systems of mobile equipment. ■ Pressure vessels installed in ocean-going ships, barges, and floating craft b. All classes of containers listed for exemption in the scope of the applicable construction code. ■ Containers within the scope of other sections of the ASME Code ■ Fired process tubular heaters ■ Integral parts or components of rotating or reciprocating mechanical devices ■ Structure transporting fluids from one location to another within a system ■ Piping components ■ vessel for containing water under pressure (Design Pressure 300 lbf/in.2 & Design temperature of 210ºF) ■ Hot water supply storage tank heated by steam not exceed (200,000 Btu/hr, water temperature of 210ºF, water-containing capacity of 120 gal) ■ Vessels with an internal or external operating pressure not exceeding 15 lbf/in.2 ■ Vessels with an inside diameter, width, height, or cross-section diagonal not exceeding 6 in c. Pressure vessels that do not exceed the volumes and pressures ■ Five ft3 volume and 250 lbf/in.2 design pressure. ■ Three ft3 volume and 350 lbf/in.2 design pressure. ■ One-and-one-half cubic feet in volume and 600 lbf/in.2 design pressure Recognized Technical Concepts - Correct Answersa. API 579 Fitness for Service b. API 580 Risk-Based Inspection (RBI) References - Correct Answers■ API codes including RP 571-572, RP 576-582, Publ 2201 Procedures for Welding or Hot Tapping on Equipment in Service ■ ASME including Section V,Section VIII: Division 1, Section VIII: Division 2, PCC-1, Section IX ■ ASNT including CP-189, SNT-TC-1A ■ NACE including RP 0472, MR 0103 ■ OSHA 29 CFR Part 1910 Occupational Safety and Health Standards ■ WRC Bulletin 412 Challenges and Solutions in Repair Welding for Power and Processing Plants ■ National Board NB-23 National Board Inspection Code ACFM - Correct AnswersAlternating current field measurement Alteration - Correct AnswersA physical change in any component that has design implications that affect the pressure-containing capability of a pressure vessel Applicable construction code - Correct Answerscode generally accepted engineering standard or practice to which the pressure vessel was built or which is deemed by the owner/user or the engineer Authorized inspection agency - Correct Answersa. The inspection organization of the jurisdiction b. The inspection organization of an insurance company c. The inspection organization of an owner or user of pressure vessels d. An independent organization or individual that is under contract to and under the direction of an owner/user Corrosion rate - Correct AnswersThe rate of metal loss due to deteriotation with its environment Corrosion specialist - Correct AnswersA person, acceptable to the owner/user, who has knowledge in corrosion Defect - Correct AnswersAn imperfection, whose type or size, exceeds the applicable acceptance criteria. Engineer - Correct AnswersPressure vessel engineer who is knowledgeable and experienced in the engineering disciplines which affect the integrity and reliability of pressure vessels Examiner - Correct Answersa. A person who assists performing NDT on pressure vessel b. Does not evaluate the results of those examinations, unless specifically trained and authorized to do so by the owner/user c. No need API 510 d. The records shall be available to inspector General corrosion - Correct AnswersCorrosion that is distributed more or less uniformly Hold point - Correct AnswersA point in the repair or alteration process beyond which work may not proceed until the required inspection been performed and documented Imperfections - Correct AnswersFlaws noted during inspection that may or may not exceed the applicable acceptance criteria. Industry-qualified UT shear wave examiner - Correct AnswersA person who possesses an ultrasonic shear wave qualification from API (e.g. API-QUTE) or an equivalent qualification approved by the owner/user. In-service inspection - Correct AnswersInspection activities associated with a pressure vessel once it has been placed in service. Jurisdiction - Correct AnswersA legally constituted government administration Minimum Design Metal Temperature (MDMT) - Correct AnswersThe lowest temperature at which a significant load can be applied to a pressure vessel On-stream - Correct AnswersA condition where a pressure vessel has not been prepared for an internal inspection Owner/user - Correct AnswersAn owner who exercises control over the operation, engineering, inspection, repair, alteration, pressure testing and rerating Repair - Correct Answersa. The work necessary to restore a vessel to a condition suitable for safe operation at the design conditions. b. If any of the restorative work results in a change to the design temperature, MDMT, or MAWP, the work shall be considered an alteration and the requirements for rerating shall be satisfied. Required thickness - Correct AnswersThe minimum thickness without corrosion allowance for each element of a pressure vessel based on the appropriate design code calculations and code allowable stress that consider pressure, mechanical and structural loadings. Rerating - Correct AnswersA change in either the design temperature rating, the MDMT or the MAWP rating of a vessel Strip lining - Correct AnswersStrips of metal plates that are welded to the inside of the vessel wall Temper embrittlement - Correct AnswersThe reduction in toughness due to a metallurgical change as a result of long term exposure in the temperature range of about 650ºF - 1100ºF Transition temperature - Correct AnswersThe temperature at which a material fracture mode changes from ductile to brittle Owner/user Responsibilities - Correct Answersdeveloping, documenting, implementing, executing, and assessing pressure vessel inspection systems and inspection/repair procedures that meet the requirements of this inspection code includes reporting to the inspector any process changes or other conditions that could affect pressure vessel integrity. Repair Organization - Correct AnswersResponsible to the owner/user and shall provide the materials, equipment, quality control, and workmanship that is necessary to maintain and repair the vessel accordance with the requirements of this inspection code. Inspector - Correct Answersa. Responsible to the owner/user to assure that the inspection, NDE, and pressure testing activities. b. Evaluated and accepted NDE Results Other Personnel - Correct AnswersOperating, maintenance who have special knowledge related to particular pressure vessels shall be responsible for promptly making the inspector or engineer aware of any unusual conditions that may develop. Inspection plan - Correct Answersa. A strategy how and when a pressure vessel will be inspected, repaired, and/or maintained b. Developed by inspector or engineer c. Required corrosion specialist when vessel operate at elevated temp above 750oF d. Shall be evaluated based on present or possible types of damage mechanisms Contents of an Inspection Plan - Correct AnswersShall contain the inspection tasks and schedule required to monitor damage mechanisms and assure the mechanical integrity of the equipment ■ Type(s) of inspection needed ■ Identify the next inspection date ■ Describe the extent and locations of inspection and NDE ■ Describe the surface cleaning requirements needed for inspection ■ Describe the requirements of any needed pressure test ■ Describe any required repairs OPTIONAL ■ Describing the types of damage anticipated or experienced in the equipment ■ Defining the location of the damage ■ Defining any special access requirements Risk-based Inspection (RBI) - Correct Answersa. Used to determine inspection intervals and the type and extent of future inspection/examinations b. Include a systematic evaluation of both the probability of failure and the consequence