The surface hardness of the following order is achieved by nitriding...

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The surface hardness of the following order is achieved by nitriding operation

A. 600 VPN

B. 1500 VPN

C. 1000 to 1100 VPN

D. 250 VPN

Answer: Option C

Solution (By Examveda Team)

Nitriding is a heat treating process that diffuses nitrogen into the surface of a metal to create a case-hardened surface. and The surface hardness is achieved by nitriding operation at 1000 to 1100 VPN

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