Which of the following heat treatment processes is used for softening the hardened material? (A) Normalising (B) Tempering (C) Annealing (D) None of these

Which of the following heat treatment processes is used for softening
the hardened material?
(A) Normalising
(B) Tempering
(C) Annealing
(D) None of these
by

1 Answer

Answer :

(B) Tempering
by

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