Study guides, Class notes & Summaries

Codewest Test -API 650 & 653 Questions with 100% Correct Answers The measurements for internal bottom settlement shall have a maximum of _______ feet spacing between elevation points across the diameter? - Correct Answer ️️ -10 completed welds of stress relieved assemblies shall be examined by ____ ,after stress relieving, but before hydrotest - Correct Answer ️️ -MT or PT vertical shell joints for new replacement shell plates to existing shell plates or repaired joints in the exi...

Who Determines to use RBI methodologies? - Owner/Operator RBI Document - API Code? - API 580 What are the two factors of Risk? - Consequence of failure and Likelihood of Failure RBI Assessments must be thoroughly___________? - Documented Who conducts an RBI Assessment? - Team of Knowledgeable of RBI Principles RBI Assessments shall be repeated at least every ______ Years? - 10 years

API 653 - (9.10) Repair of Tank Bottoms Quizzes & Ans 100% Correct!!

Reconstruction -Base metal temp where welding is not allowed < 0 F --- ref. (653: 10.4 .2.3 ) Reconstruction -Base metal temp when hand-warm pre-heat is required 0-32 F --- ref. (653: 10.4.2.3 ) Linings -Minimum temp when performing abrasive blasting 5 of above dew point --- ref. (0.) Linings -Minimum temp when installing tank bottom linings 5 of above dew point --- ref. (0.)

*General Repair Req* Welded-on patch plates shall not be placed over areas of the tank bottom that have global or local _____ [except as allowed by 9.10.1.1 d)], _______, or distortion greater than the limits of Annex B. dishing settlement A welded-on patch plate may be placed over a mechanical dent or local dishing if: 1. Its unsupported dimension does not exceed __ in. in any direction; 2. It is at least ____(fraction) in. thick; 3. It is at least as thick as the existing _____; 4. And ...

Per API 653 , with of the following is required when converting an existing tank to operation at elevated temperatures when it was not originally designed and constructed to API 650, Appendix M? The Shell to bottom joint shall be evaluated for fatigue When removing an existing tank bottom, all arc-gouged areas of the tank shell-to-bottom shall be: examined using magnetic particle inspection, and defective areas repaired and reexamined. If RBI assessment has been conducted and the tank has c...

Responsibility - Overall responsibility for compliance with API 653 Owner API 653 1.2 Responsibility - Evaluate deterioration on existing shell material Engineer API 653 4.3.1.2 Responsibility - In a corroded area, find t2 (Thinnest area exclusive of pit) Inspector API 653 4.3.2.1.a

API publications necessarily address problems of what type? Problems of a general nature. (Special notes section) API Standard 653 covers in service steel tanks built to what standards? This standard covers steel storage tanks built to API 650 and its predecessor API 12C. (1.1.1) What API Standard always governs for tanks that have been placed in service? In the case of apparent conflicts between the requirements of this standard and API 650 or its predecessor API 12C, API 653 shall govern...

Overall responsibility for compliance with API 653? Owner API 653 1.2 Responsibility - evaluate deterioration of existing shell material? Engineer API 653 4.3.1.2 What does api 653 cover? Steel storage tanks built to API 650 and its predecessor API 12c (API 653 1.1.1) What does api 653 provide? Minimum requirements for maintaining the integrity of tanks after they have been placed in service and addresses inspection, repair, alteration, relocation and reconstruction (api 653 1.1.1)

What does API 653 cover? Steel storage tanks built to API 650 and its predecessor API 126. Provides minimum requirements for maintaining integrity of such tanks after they have been placed in service and addresses inspection, repair, alterations, relocation, and reconstruction. What is the scope of API 653 limited to? scope is limited to tank foundation, bottom, shell, structure, roof, attached appurtenances, and nozzles to the face of the first flange, first threaded joint, or first weldin...