The ratio of the energy required to produce the artificial draught (e – McqOptions

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1.	The ratio of the energy required to produce the artificial draught (expressed in meters head or J/kg of flue gas) to the mechanical equivalent of extra heat carried away per kg of flue gases due to natural draught, is known as
A.	Efficiency of the boiler
B.	Efficiency of the chimney
C.	Efficiency of the fan
D.	Power of the boiler
Answer» C. Efficiency of the fan

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