Mechanical cleaning inside the sharp U-bend is incredibly difficult, limiting its use to clean tube-side fluids. Individual tube replacement in the inner rows is also impractical.
: Check flange faces, verify gasket type/rating, calibrate the torque wrench, and check bolt specifications.
3. Why is a hydrotest performed, and what is the standard test pressure?
Q: How do you accommodate thermal expansion in equipment connections? A: Use expansion joints, flexible connectors, sliding supports, expansion loops in piping, and account for differential expansion in nozzle design (slip joints, bellows). Provide proper guides and anchors to control loads. static equipment interview questions updated
Key points: need for competent engineering, sign-off, material traceability, and re-inspection. Follow-up: What documentation do you update after a nozzle modification?
Key points: cut‑out area, projection allowances, local stresses, use of reinforcement pads vs. manways, consideration of branch connection category. Follow-up: What inspection considerations apply around reinforced nozzles?
is a major industry threat. It occurs when water gets trapped under insulation, creating a corrosive environment on the hot metal surface. Mechanical cleaning inside the sharp U-bend is incredibly
Comprehensive Guide to Static Equipment Interview Questions (Updated)
Q: Describe an RBI approach for static equipment. A: Risk-Based Inspection (RBI) ranks equipment by likelihood and consequence of failure. Collect data (design, materials, process conditions, inspection history), assess degradation mechanisms, quantify risk, and define inspection intervals and techniques to reduce risk to acceptable levels. Update RBI based on inspection findings.
Q11: What is the purpose of a wind girder on an open-top storage tank? assess degradation mechanisms
Slow, progressive permanent deformation that occurs when metals are exposed to high sustained stresses at elevated temperatures over long periods.
A drop in pressure on the high-pressure side.
Q11: What criteria dictate the selection of a Gate Valve versus a Globe Valve?