The amount of combustible escaping unconsumed from the furnace,
depends upon the
(A) Air supplied and furnace temperature
(B) Burner design (thoroughness of mixing versus stratification)
(C) Air preheat and the flow of gases in the furnace (mixing by induction, by
acceleration or by change of direction)
(D) All (A), (B) and (C)
depends upon the
(A) Air supplied and furnace temperature
(B) Burner design (thoroughness of mixing versus stratification)
(C) Air preheat and the flow of gases in the furnace (mixing by induction, by
acceleration or by change of direction)
(D) All (A), (B) and (C)