The boiler efficiency is given by (where m = Total mass of water evapo – McqOptions

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1.	The boiler efficiency is given by (where m = Total mass of water evaporated into steam in kg/h, mf = Mass of fuel in kg/h, C = Calorific valve of fuel in kJ/kg of fuel, h = Total heat of steam in kJ/kg, and hf1 = Sensible heat of feed water in kJ /kg)
A.	A
B.	B
C.	C
D.	D
Answer» D. D

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