problem 1:
prepare down the causes and effect of stresses in welds. How do you manage these stresses?
problem 2:
Illustrate the type of electrode materials employed in TIG?
problem 3:
Illustrate the flux materials employed in TIG welding?
problem 4:
Illustrate the different diffusion welding techniques?
problem 5:
Describe in detail the types of flames and flux needed for gas welding of copper and its alloys?