(i) Name the various alloying elements used with tungsten for GTAW. Give the approximate content of any two used I GTAW process. Enumerate applications of GTAW process.
(ii) Define the term ‘keyholding’ used in laser welding.
- What is ‘dip transfer’ in GMAW?
- Write the differences between coining and embossing.
- What are the advantages of isothermal forging?
- What is the difference between extrusion and drawing?