Below mentioned question is likely to be asked in Interview Questions-Welding & Quality Engineer should must prepare for these question before interview.
Q.2 Why Ni is restricted up to 1% max. for sour service?
Q3. What is the role of delta ferrite in stainless steel welding?
Q4. Why PWHT is not required for stainless steel?
Q5. Explain the procedure for welding of P91 material?
Q6. What is Dilution and its effect in weld overlay or cladding?
Q7. What is G48 testing. Explain?
Q8. What is IGC testing (A262 Practice E). Explain?
Q10. If welder is qualified on SS GTAW welding, can he able to weld CS with GTAW?
Q11. Why E9015-B91 preferred for P91 material welding instead of E9018-B91?
Q12. What is carbon equivalent and how it affects weldability?
Q13. Why Ni+Mn>1.2% is restricted in P91 & P92 materials welding?
Q14. What is temper embrittlement?
Q17. Why E347 is preferred over E321 for welding of SS321 material?
Q19. What is minimum leak path in tube-to-tubesheet welding?
Q20. Enlist the elements of austenite and ferrite stabilizing elements?
Q21. What is sensitization in stainless steel?
Q22. What is hot-cracking and how it occurs?
Q23. What is pull-out test in tube to tube sheet welding and what is acceptance criteria for same?
Q24. What is DSS. Explain care to be taken for DSS welding?
Q25. Why SAW AC welding is preferred over DC for P22 material?
Q26. Difference between synthetic and non-synthetic electrodes?
Q27. What is interpass temperature and how it affects the toughness property?
Q28. From which location impact sample shall be drawn as per ASME Section. IX?
Q29. Why trailing gas used for titanium welding?
Q30. Specify some welding issue related to nickel alloys?
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Very nice information 👏
Nice collection but please share answers too🙂
Really super Bro. Keep Going.
Please share answers also
Please share answers also
Pingback: ER347 is preferred over ER321 welding of SS321? - Welding Fabrication World
Very good information and thanks for your efforts to make this questionnaire.