In a fossil fuel power plant the chemical energy stored in fossil fuels such as coal, fuel oil, natural gas, or oil shale and oxygen of the air is converted successively into thermal energy,...

In a fossil fuel power plant the chemical energy stored in fossil fuels such as coal, fuel oil, natural gas, or oil shale and oxygen of the air is converted successively into thermal energy, mechanical energy, and, finally, electrical energy. Now assume that a coal-fired power plant with a capacity of 100 MW uses coal as an energy source to produce heat which later converted to electrical energy with 60% efficiency (40% is lost as heat). The total heat of coal is given as 6000 kcal/kg. The combustion temperature for steam (water vapor) is 100 oC. The cooling water is provided from a river with an ambient temperature of 25 oC. The power plant operates 24 hours per day. Based on the information given in the problem, calculate: a) How many tons of coal should be used in this power plant? b) Daily amount of DI water to produce steam? c) Daily amount of cooling water for condensation?