Which of the following method is used for manufacturing screws?(a) Hot forging(b) Cold forging(c) Impact forging(d) Gradual pressure forgingThe question was posed to me during an interview for a job.This intriguing question comes from Open and Closed Die Forging in section Forming Process of Casting-Forming-Welding II

Which of the following method is used for manufacturing screws?(a) Hot

1.	Which of the following method is used for manufacturing screws?(a) Hot forging(b) Cold forging(c) Impact forging(d) Gradual pressure forgingThe question was posed to me during an interview for a job.This intriguing question comes from Open and Closed Die Forging in section Forming Process of Casting-Forming-Welding II
Answer» Right option is (B) Cold forging To explain: For the manufacturing of products like SCREWS, PINS or nails, the process of HOT forging or IMPACT forging is not recommended. But, for this, cold forging is highly used.

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