Q
The amount of combustible escaping unconsumed from the furnace, depends upon the________________?
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A
A. Air supplied and furnace temperature
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B
B. Burner design (thoroughness of mixing versus stratification)
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C
C. Air preheat and the flow of gases in the furnace (mixing by induction, by acceleration or by
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D
ChaNge of direction)
Correct Answer:
D. ChaNge of direction)