Define welding.
[3 marks]List advantages of welding over riveting.
[4 marks]Classify welding as per AWS.
[7 marks]Define gas welding.
[3 marks]List characteristics of flux in welding.
[4 marks]Sketch different gas welding flames.
[7 marks]List gas welding equipments and their applications.
[7 marks]What is an arc?
[3 marks]What is carbon active welding?
[4 marks]Describe GMAW.
[7 marks]What is polarity?
[3 marks]What is submerged arc?
[4 marks]Describe GTAW.
[7 marks]What is solid state welding?
[3 marks]List any 2 welding defects (other than distortion) and their causes.
[4 marks]Explain friction inertia welding in detail.
[7 marks]What is chemical welding?
[3 marks]Which are the causes of welding distortion?
[4 marks]Explain thermit welding in detail.
[7 marks]What is NDT?
[3 marks]Explain MPT.
[4 marks]Classify welding electrode.
[7 marks]What is resistance welding?
[3 marks]Write down principles of Radiography Testing.
[4 marks]Draw a neat sketch of standard location of elements of welding symbols.
[7 marks]