API 653 Recertification Quiz with 100% Correct

API 653 Recertification Quiz with 100% Correct 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? - Correct 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: - Correct 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: - Correct 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? - Correct Answer ️️ - 20,000 lbf/in2 In regards to underside corrosion on tank bottoms, the corrosion rate of steel in a wet environment. - Correct 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: - Correct 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: - Correct Answer ️️ -25 years