Question

Compute in kilograms the weight of coal saved per annum by a hydroelectric plant operating at an annual average capacity of 8000 kW, supposing the fuel consumption of the substituting thermal plant is 3500 Cal/kWh, and the quality of coal is characterized by 4000 Cal/kg.

a) 87300 tons

b) 72400 tons

c) 56700 tons

d) 61200 tons

Answer 1