Steel will respond to hardening by heat treatment processes, only when the minimum carbon content in it is __________ percent. (A) 0.02 (B) 0.2 (C) 0.35 (D) 0.5

Steel will respond to hardening by heat treatment processes, only when
the minimum carbon content in it is __________ percent.
(A) 0.02
(B) 0.2
(C) 0.35
(D) 0.5
by

1 Answer

Answer :

(B) 0.2
by

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