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