Fuel consumption in coke making can be reduced by
(A) Preheating, blending and de-ashing the coal
(B) Stamped charging of coal
(C) Dry quenching of coke
(D) All (A), (B) and (C)
(A) Preheating, blending and de-ashing the coal
(B) Stamped charging of coal
(C) Dry quenching of coke
(D) All (A), (B) and (C)