A.the maximum fuel consumption for the given requirement
B.the high percentages of O2 in the flue gas
C.the high stack temperature
D.the most efficient furnance operation and the minimum fuel consumption for the given heating requirement
A.the maximum fuel consumption for the given requirement
B.the high percentages of O2 in the flue gas
C.the high stack temperature
D.the most efficient furnance operation and the minimum fuel consumption for the given heating requirement