A thermal power plant has an efficiency of 0.4. If 0.6 kg of coal is b – McqOptions

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1.	A thermal power plant has an efficiency of 0.4. If 0.6 kg of coal is burnt to generate 1 kWh, the calorific value of coal is
A.	about 3500 kcal/kg
B.	about 2500 kcal/kg
C.	about 1500 kcal/kg
D.	about 7500 kcal/kg
Answer» B. about 2500 kcal/kg

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