Physics, 10.02.2021 06:50 jadacherry
12. A solar-thermal power plant (Tonapah, for example) might cost $2B to build and operate over its 20
year lifetime. Assume it generates 100 MW for 8 hours a day; assume it is always sunny during the days:
a) How much must be charged wholesale for generation of this electricity, just to cover that initial cost?
Please compute the cost in $/kW-hr, which is the wholesale consumer cost that is quoted. Note for a
natural gas power plant, this wholesale cost is $0.05/kW-hr, approximately. Make any simplifying econ.
assumptions postulates as are helpful.
Answers: 1
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Ammonia enters the expansion valve of a refrigeration system at a pressure of 10 bar and a temperature of 18oc and exits at 6.0 bar. the refrigerant undergoes a throttling process. determine the temperature, in oc, and the quality of the refrigerant at the exit of the expansion valve.
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Which of the following statements are true for an isothermal process? check all that apply. - during an isothermal process, the work done by the gas equals the heat added to the gas. - during an isothermal process, the internal energy of the system changes. - an isothermal process is carried out at constant temperature. - an isothermal process is carried out at constant pressure. - an isothermal process is carried out at constant volume.
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12. A solar-thermal power plant (Tonapah, for example) might cost $2B to build and operate over its...
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