Case hardening is a process of heating steel | vedclass

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Question

(C) Case hardening is a process used to harden the surface of steel by diffusing carbon or nitrogen into the surface layer.In the process of case hard

Vedclass · Accepted Answer

Charcoal

Vedclass · Answer

(C) Case hardening is a process used to harden the surface of steel by diffusing carbon or nitrogen into the surface layer.In the process of case hardening using charcoal,steel is heated in an atmosphere of charcoal $(C)$ or carbon-rich materials to increase the carbon content on the surface,making it harder.Therefore,the correct option is $C$.

Case hardening is a process of heating steel in an atmosphere of:

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