A quick guide to API 570 certified pipework inspector by Clifford Matthews

By Clifford Matthews

The API person Certification courses (ICPs) are good proven around the world within the oil, gasoline, and petroleum industries. This speedy consultant is exclusive in offering basic, obtainable and well-structured counsel for an individual learning the API 570 qualified Pipework Inspector syllabus via: summarising and aiding them throughout the syllabus and offering a number of instance questions and labored solutions.

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Extra resources for A quick guide to API 570 certified pipework inspector syllabus: Example questions and worked answers

Example text

3). This minimum thickness will normally include a corrosion allowance. Then three general thickness readings are mentioned. e. long-term (LT) and short-term (ST) corrosion rates. They are all actual (measured) readings: . tinitial is the thickness measured at the initial inspection (not necessarily when it was new). tlast is the thickness measured at the last inspection (whenever that happened to have been). Think of this as the last inspection that was actually done. tprevious is the thickness measured at an inspection previous to another specified inspection.

1: extent of PMI verification For high-risk piping systems where material mix-ups are considered likely, API 578 suggests an examination of what percentage of the material should be considered: (a) 10 %. & (b) 50 % & (c) 100 % & (d) No percentage figure is given in API 578 & Q4. 1: responsibilities Who has the ultimate responsibility for deciding the extent of PMI required and to verify that the PMI programme is properly performed? (a) The owner/user & (b) The material manufacturer or welding contractor (for repairs) & (c) A third-party inspector & (d) An API-certified inspector & Q5.

The first two definitions are straightforward: . tactual is used to denote the actual thickness measured at the time of inspection. tminimum is a calculated value, rather than a measured one. g. 3). This minimum thickness will normally include a corrosion allowance. Then three general thickness readings are mentioned. e. long-term (LT) and short-term (ST) corrosion rates. They are all actual (measured) readings: . tinitial is the thickness measured at the initial inspection (not necessarily when it was new).

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