API 510 Pressure Vessel Inspector Certification Exam

Under API Recommended Practice 652, what is the primary purpose of lining aboveground storage tank (AST) floors?

To prevent corrosion and soil/groundwater contamination from tank bottoms To increase tank storage capacity To reduce evaporative emissions To satisfy OSHA confined space entry requirements

Correct Answer:

To prevent corrosion and soil/groundwater contamination from tank bottoms

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