Q2: How do you choose between a fixed tubesheet, U-tube, and floating head heat exchanger?
Static equipment refers to machinery or devices that remain stationary and have no major moving parts during normal operation. They are the backbone of any process plant, used for storing, containing, or processing fluids under various conditions. In contrast to rotating equipment (like pumps and compressors), static equipment does not generate motion. The inspection of static equipment focuses on its integrity, fabrication quality, and long-term reliability, as it is crucial for plant safety.
Which international codes govern the design of pressure vessels and heat exchangers?
Ultimate Guide: Static Equipment Interview Questions and Answers (Updated)
Re-confirm the Ultrasonic Testing (UT) thickness measurements to rule out operator error.
Which paragraph is used for the design of shell thickness? (UG-27 for internal pressure). Heat Exchangers (TEMA & ASME):
Q: How do you choose materials and NDE for static equipment? A: Choose materials based on mechanical properties, corrosion resistance, temperature, and code acceptability (ASME materials). Specify welding procedures (WPS/PQR), welder qualifications, and appropriate NDE (VT, PT, MT, UT, RT) based on service, thickness, and code. For high‑temperature or fracture‑critical applications, use higher NDE coverage and toughness testing.
A: Attend industry workshops, training sessions, and webinars; subscribe to professional journals (e.g., Inspectioneering, Hydrocarbon Processing); follow standards bodies like ASME, API, and NACE; and participate in professional networks.
The industry standard for medium to high pressures and temperatures up to Class 1500. They feature a metallic winding with a filler material like graphite or PTFE.
Here are some additional, updated static equipment interview questions that you may encounter: