Assessment Exam Covering API 653 Inspection Requirements, API
650 Construction Standards, API 579 Fitness-for-Service Analysis,
API 580 Risk Based Inspection (RBI), API 652 Tank Bottom Linings,
API 651 Cathodic Protection Systems, API 2201 Hot Tapping
Procedures, ASME Section V NDE Requirements, ASME Section IX
Welding Procedure Qualification, AWS D1.1 Structural Welding
Standards, ASTM Material Testing and Impact Requirements, API
620 Low Pressure Storage Tank Design, Shell and Bottom Plate
Corrosion Evaluation, Tank Settlement Analysis, Weld Defect
Acceptance Criteria, Fitness-for-Service Stress Assessment, Fatigue
and Brittle Fracture Evaluation, Cathodic Protection Design, Internal
Lining Performance, Hot Work Safety Practices, Nozzle Installation
and Reinforcement Design, Lap Patch Repair Engineering, Frangible
Roof Design, External Pressure and Vacuum Conditions Exam
Questions Verified and Provided with Complete A+ Graded Answers
Latest Updated 2026
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 re-examined.
, If RBI assessment has been conducted and the tank has cathodic protection plus a thin-film
lining, the maximum inspection interval is:
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?
20,000 lbf/in2
In regards to underside corrosion on tank bottoms, the corrosion rate of steel in a wet
environment.
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:
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:
25 years
As an alternative to the procedures in API 653 for the evaluation of any thinning of the tank
shell below minimum required wall thickness may be evaluated for continued service using
which code?
API RP 579, section 4, 5 or 6.