Explain different welding positions with neat sketch
[3 marks]Discuss the design consideration for welding.
[4 marks]Briefly explain the effect of carbon and alloying elements on weldability and microstructure.
[7 marks]Explain mode of solidification of weld metals.
[3 marks]What is HAZ (Heat affected Zone)? How it affects the properties of base metal.
[4 marks]Discuss phase transformation in Fe- Cdiagrams with neat sketch
[7 marks]Write a short note on: “TTT Diagram”
[7 marks]What is pre heating and interpass heating for weld joint?
[3 marks]Explain types of flames for oxy-acetylene gas welding.
[4 marks]Write a short note on : “Plasma Arc Welding”
[7 marks]Explain post heat treatment for weld joint.
[3 marks]With neat sketch explain working principle of Spot welding.
[4 marks]Discuss with neat sketch gas tungsten arc welding (GTAW) process, state the advantages, limitations and applications.
[7 marks]State the advantages and limitations of thermit welding.
[3 marks]With neat sketch discuss laser beam welding.
[4 marks]What is solid state welding? Enlist solid state welding processes and explain one of them.
[7 marks]What is the difference among welding, brazing and soldering?
[3 marks]With neat sketch explain electron beam welding
[4 marks]Define resistance welding process and also state advantages, disadvantages, & application of resistance welding process.
[7 marks]Write down steps involved in Dye Penetrate test.
[3 marks]Explain ASME code for Boiler and Pressure Vessels.
[4 marks]Enlist various non destructive testing methods and explain Radiographic inspection method for weld joint.
[7 marks]What is API standard and ASTM standard?
[3 marks]Discuss spot examination of weld joint.
[4 marks]Explain magnetic particle inspection method with neat sketch.
[7 marks]