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Ram Sharma • 178.09K Points
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Q.) 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
Correct answer : Option (C) - Is the ratio of maximum to minimum permissible heat input rates

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