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 Turn down ratio of a burner Correct Answer Is the ratio of maximum to minimum permissible heat input rates Bissoy MCQ Team Chemical Engineering Furnace Technology