Turn down ratio of a burner
(A) Should be as low as possible i.e., 1 : 2
(B) Should be 1:1 for a batch type furnace
(C) Is the ratio of maximum to minimum permissible heat input rates
(D) Is normally much more for a continuous furnace as compared to a batch
furnace
(A) Should be as low as possible i.e., 1 : 2
(B) Should be 1:1 for a batch type furnace
(C) Is the ratio of maximum to minimum permissible heat input rates
(D) Is normally much more for a continuous furnace as compared to a batch
furnace