Height of coke oven is limited (say maximum upto 7 metres) mainly by
the
(A) Problem of uniform heating along its height
(B) Structural strength of silica bricks
(C) Problem in door cleaning
(D) Buckling of ram of pusher car at the time of coke pushing
the
(A) Problem of uniform heating along its height
(B) Structural strength of silica bricks
(C) Problem in door cleaning
(D) Buckling of ram of pusher car at the time of coke pushing