Narrow coke ovens as compared to wider coke ovens
(A) Produce smaller coke
(B) Produce stronger coke
(C) Require less time of carbonisation
(D) All (A), (B) and (C)
(A) Produce smaller coke
(B) Produce stronger coke
(C) Require less time of carbonisation
(D) All (A), (B) and (C)