_ Gradually increasing temperature of flue gases at inlet to chimney f – McqOptions

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1.	_ Gradually increasing temperature of flue gases at inlet to chimney for given steam outputs is an indication of$?
A.	Higher effectiveness of boiler
B.	High calorific value coal being burnt
C.	Fouling of heat transfer surfaces
D.	Raising of steam temperature
Answer» D. Raising of steam temperature

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