Group E will present and estimate of the cost of electricity, including the cost of coal gas or nuclear waste disposal and the cost of smog and water acidification

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Q4. i. Suggest three renewable energy sources for meeting the electricity demand in large buildings. ​​​​​​​​ii. List the advantages and disadvantages of each of them.

Problem 3. A nuclear-power station produces 750 MW per year as useful energy. costs include 150 MW lost in distribution, and 290 MW lost as heat. What is the efficiency of the plant? The energy

Investigate the size of a gas furnace used in a typical single-family dwelling in upstate New York, and compare that size to the furnaces used in Minnesota and in Kansas.

Consider a 400-MW, 32 percent efficient coal-fired power plant that uses cooling water withdrawn from a nearby river (with an upstream flow of 10-m3/s and temperature 20 °C) to take care of waste heat. The heat content of the coal is 8,000 Btu/lb, the carbon content is 60% by mass, and the sulfur content is 2% by mass. How much electricity (in kWh/yr) would the plant produce each year? How many pounds per hour of coal would need to be burned at the plant? Estimate the annual carbon emissions from the plant (in metric tons C/year). If the cooling water is only allowed to rise in temperature by 10 °C, what flow rate (in m3/s) from the stream would be required?  What would be the river temperature if all the waste heat was transferred to the river water assuming no heat losses during transfer?  Estimate the hourly SO2 emissions (in kg/h) from the plant assuming that all the sulfur is oxidized to SO2 during combustion.

Question 10 Carbon monoxide emissions are the result of incomplete oxidation of O Carbon in the waste to CO2 O Hydrogen in the waste to CO2 O Nitrogen in the waste to CO, Fluorine in the waste to co2

Assuming compliance with federal NSPSs, predict the daily rates of emissions of particulates, NOX, SOx, and Hg from a coal-fired power plant producing 1000 MW of electrical power at an overall thermal efficiency of 40%, Assume coal contains 1,5% sulfur and has a heating value of 10,000 Btu/lb,