Case hardening of a material is (A) Followed by tempering or carburising (B) Preceded by its tempering (C) Done to get a soft ductile interior with a very hard surface (D) Carried out to get extreme hardness in its core

Case hardening of a material is
(A) Followed by tempering or carburising
(B) Preceded by its tempering
(C) Done to get a soft ductile interior with a very hard surface (D) Carried out to get extreme hardness in its core
by

1 Answer

Answer :

(D) Carried out to get extreme hardness in its core
by

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