Question: This is a subjective question, hence you have to write your answer in the Text-Field given below. (a) Discuss different types of flames that can

This is a subjective question, hence you have to

This is a subjective question, hence you have to write your answer in the Text-Field given below. (a) Discuss different types of flames that can be produced during Oxyfuel-gas Welding. [3] (b) Estimate the heat generated in spot welding of two sheets ( 2mm thick) with 6000A current for 0.5 seconds. Consider effective resistance of the material is 300 micro-ohms. [5]

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