shielded metal arc welding operation is performed on steel at E= 30 volts and / = 225 amps. The heat transfer efficiency fi = 0.85 and melting efficiency f₂=0.75. The unit melting energy for steel Um = 10.2 J/mm3. Solve for: (a) the rate of heat generation at the weld and (b) the volume rate of metal welded

shielded metal arc welding operation is performed on steel at E= 30 volts and / = 225 amps. The heat transfer efficiency fi = 0.85 and melting efficiency f₂=0.75. The unit melting energy for steel Um = 10.2 J/mm3. Solve for: (a) the rate of heat generation at the weld and (b) the volume rate of metal welded

Welding: Principles and Applications (MindTap Course List)

8th Edition

ISBN:9781305494695

Author:Larry Jeffus

Publisher:Larry Jeffus

Chapter26: Welding Metallurgy

Section: Chapter Questions

Problem 40R: What are some of the problems that oxygen can cause in welds?

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strength of materials