| Question | Expected Answer | | --- | --- | | What is a weeping hole? | Small hole in a jacket or double-walled vessel to detect inner wall leakage. | | What is a purge vent? | Used during welding or pressure testing to remove air/water. | | What does PWHT stand for? | Post-Weld Heat Treatment – relieves residual stresses. | | What is the most common failure mode for shell-and-tube exchangers? | Tube vibration (flow-induced) leading to fretting and fatigue. | | What is the newest edition of API 510? | 10th Edition, Addendum 2 (2024) |
) require PWHT regardless of thickness to prevent environmental stress corrosion cracking (SCC). Technical Interview Tips for Success
Rear head type (e.g., M = Fixed tubesheet, L = Floating head). static equipment interview questions updated
They support the tubes structurally to prevent sagging and flow-induced vibrations.
Ready to create a quiz? Use Canvas to test your knowledge with a custom quiz Get started | Question | Expected Answer | | ---
10. What is MDMT, and how does it influence material selection?
Any you want to focus heavily on (e.g., Columns, Heat Exchangers, Storage Tanks)? Share public link | Used during welding or pressure testing to
or lower.A lower joint efficiency directly increases the calculated required wall thickness ( ) of the vessel shell, raising material costs. 3. What is the difference between MAWP and Design Pressure?