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What is the minimum temperature given before hot forging?(a) 100°C(b) 150°C(c) 200°C(d) 250°CI had been asked this question in an international level competition.Query is from Impression Die Forging topic in section Smithing and Forging of Casting-Forming-Welding II

Answer»

The correct CHOICE is (C) 200°C

For EXPLANATION: Hot forging is a method of forging articles at an extremely high temperature. But, before putting the ARTICLE into the hot forging processes, it has to be heated to certain temperatures. The minimum temperature that has to be given to the article should be 200°C.



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