*/*_Gradually increasing temperature of flue gases at inlet to chimney – 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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