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With an increase in the heat input of arc welding method, how does it affect the welding speed?

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in Casting-Forming-Welding II by (119k points)
With an increase in the heat input of arc welding method, how does it affect the welding speed?

(a) Increases

(b) Decreases

(c) Remains same

(d) No relation

This question was addressed to me by my school teacher while I was bunking the class.

Query is from Weldability topic in chapter Welding and Related Processes of Casting-Forming-Welding II

1 Answer

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Best answer
The correct choice is (b) Decreases

Easy explanation: In arc welding processes, for calculating the efficiency, we use the formula for heat input. According to the formula, heat input is inversely related to the speed of welding, that is, with an increase in heat input, the welding speed decreases.

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