A motor of power 8.7 kW is used to run an induced draught fan which maintains a draught of 50 mm of water. 19 kg of air is supplied for complete combustion of 1 kg of fuel. The temperature of hot gases 325 C. The efficiency of the fan is 85%. Determine the coal consumption rate. (Take V0 = 0.7734 m3)

A motor of power 8.7 kW is used to run an induced draught fan which ma

1.	A motor of power 8.7 kW is used to run an induced draught fan which maintains a draught of 50 mm of water. 19 kg of air is supplied for complete combustion of 1 kg of fuel. The temperature of hot gases 325 C. The efficiency of the fan is 85%. Determine the coal consumption rate. (Take V₀ = 0.7734 m³)
A.	1523 kg/hr
B.	1465 kg/hr
C.	1686 kg/hr
D.	1785 kg/hr
Answer» D. 1785 kg/hr

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