API 653 Recertification Quiz with 100% Correct Answers
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Course
API 653
Institution
API 653
API 653 Recertification Quiz with 100% Correct Answers
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? - Answer- The Shell to bottom joint shall be e...
API 653 Recertification Quiz with 100% Corr ect Answers 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? - Answer - 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: - Answer - examined using magnetic particle inspection, and defective areas repaired and re -examined. If RBI assessment has been conducted and the tank has cathodic protection plus a thin -
film lining, the maximum inspection interval is: - Answer - 14 years When installing a new nozzle in a tank of unknow material, what stress value should be used to calculate the required shell thickness and reinforcement? - Answer - 20,000 lbf/in2 In regards to underside corrosion on tank bottoms, the corrosion rate of steel in a wet environment. - Answer - may double with every 18 °F increase in temperature above 77 °F. Grade 350W/50W is acceptable for tank plate to a maximum thickness of: - Answer - 45mm (1.75in) if fully killed and made to a fine grain practice. If an RBI assessment has been conducted and the tank has a release prevention barrier, the maximum initial inspection interval is: - Answer - 25 years
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