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What is the temperature of the negative electrode in metal arc welding?

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in Casting-Forming-Welding II by (119k points)
What is the temperature of the negative electrode in metal arc welding?

(a) 2200°C

(b) 2300°C

(c) 2400°C

(d) 2500°C

The question was posed to me by my college director while I was bunking the class.

Asked question is from Arc Welding Methods topic in chapter Welding and Related Processes of Casting-Forming-Welding II

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Right option is (c) 2400°C

For explanation I would say: In metal arc welding, the temperature of negative electrode is higher than the temperature of positive electrode. The temperature produced in a negative electrode of a metal arc weld is about 2400°C.

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