Silicon percentage in iron castings to have maximum hardness should be about (A) 0.3 (B) 0.5 (C) 0.8 (D) 2.5

Silicon percentage in iron castings to have maximum hardness should
be about
(A) 0.3
(B) 0.5
(C) 0.8
(D) 2.5
by

1 Answer

Answer :

(C) 0.8
by

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