or efficient performance of a blast furnace, the extent of reduction of Wustite (FeO) should be
(A) 100% indirect reduction
(B) 100% direct reduction
(C) 50-60% indirect reduction
(D) 30-40% indirect reduction
(A) 100% indirect reduction
(B) 100% direct reduction
(C) 50-60% indirect reduction
(D) 30-40% indirect reduction