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

1 Answer

Answer :

(C) Is the ratio of maximum to minimum permissible heat input rates

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