What is static equipment, and how does it differ from rotary equipment?
Explain the design requirements for ground-supported atmospheric tanks and the standard verticality (plumpness) tolerances (often 1/200 mm). Equipment Troubleshooting & Maintenance
A form of hydrogen embrittlement that occurs under the joint action of tensile stress (residual or applied) and a corrosive environment containing H2Scap H sub 2 cap S
When answering performance-based questions, candidates are advised to use specific metrics: static equipment interview questions updated
A digital twin is a live, 3D CAD model linked to the sensor data and inspection history.
Indicates the rear head type (e.g., L = Fixed tubesheet, S = Floating head with backing device, U = U-tube bundle).
What specific or company are you interviewing with? What is static equipment, and how does it
Review process history to see if a change in feedstock or temperature triggered localized corrosion.
Static equipment forms the backbone of the oil and gas, petrochemical, and power generation industries. Unlike rotary equipment, these components do not have major moving parts, but they operate under extreme pressures, temperatures, and corrosive environments.
Scenario: High-velocity gas enters a shell-and-tube heat exchanger, causing acoustic vibration. How can this be mitigated during the design phase? Indicates the rear head type (e
Keep these fundamental code references memorized for quick-fire technical rounds: Equipment Type Design & Fabrication Code Inspection & Fitness-for-Service ASME Section VIII API 510 / API 579 Process Piping ASME B31.3 Storage Tanks API 650 / API 620 Heat Exchangers TEMA / ASME Sec VIII Flanges & Fittings ASME B16.5 / B16.47
Damage: Includes Hydrogen-Induced Cracking (HIC) and Stress Corrosion Cracking (SCC) occurring in sour services.
Selected when both fluids are relatively clean, or when the tube side requires mechanical cleaning. Because the tubesheets are welded to the shell, an expansion joint (bellows) must be added if the thermal expansion differential is significant. 3. Storage Tanks (API 650 & API 653) Q7: What are the differences between API 650 and API 653?
Standards for shell and tube heat exchangers. ASME B31.3: Process Piping design code.
For more senior or specialized roles, you may want to ask more advanced questions to assess a candidate's expertise: