Question: Question 3 A heat source transfers 3000 J/s to a metal part surface. The heated area is circular, and the heat intensity decreases as the

Question 3 A heat source transfers 3000 J/s to a

Question 3 A heat source transfers 3000 J/s to a metal part surface. The heated area is circular, and the heat intensity decreases as the radius increases: 75 % of the heat is concentrated in a circular area that = 3.5 mm in diameter. 3.1 Is the resulting density enough to melt the metal (3) 3.2 what are the advantages and disadvantages of welding compared to other types of assembly operations (4) 3.3 what is an autogenous weld (2) [9]

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