[top] - Static Equipment Interview Questions

Seamless pipe is extruded and has no longitudinal seam. It is generally stronger and preferred for high-pressure and high-temperature applications. Welded pipe (ERW or LSAW) is cheaper and available in larger sizes, but the weld seam is a potential point of failure. You would use welded pipe for low-pressure water lines or structural applications, and seamless for critical process lines.

Corrosion allowance is additional material thickness added to the calculated structural thickness of a vessel during the design phase. It ensures that the equipment can safely withstand uniform metal loss over its intended design life (e.g., 20 years at 0.1 mm/year requires a 2.0 mm allowance) without dipping below its minimum allowable thickness. 5. Storage Tanks (API 650 & 620) Compare API 650 and API 620 storage tanks. static equipment interview questions

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