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Induction hardening is the process of

A. Hardening surface of work-piece to obtain hard and wear resistant surface

B. Heating and cooling rapidly

C. Increasing hardness throughout

D. Inducing hardness by continuous process

Answer: Option A

Solution(By Examveda Team)

Induction hardening is a process used for the surface hardening of steel and other alloy components.
The parts to be heat treated are placed inside a water cooled copper coil and then heated above their transformation temperature by applying an alternating current to the coil.

This Question Belongs to Mechanical Engineering >> Engineering Materials

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