Q1/A power plant operating on Carnot cycle that produces (500MW). It turned out that this represents (n-28%) of the energy supplied to the plant by burning coal in the boiler, and the used coal releases an energy of (29.5MJ/kg). Calculate the mass of coal the plant burns in one hour.
Q1/A power plant operating on Carnot cycle that produces (500MW). It turned out that this represents (n-28%) of the energy supplied to the plant by burning coal in the boiler, and the used coal releases an energy of (29.5MJ/kg). Calculate the mass of coal the plant burns in one hour.
Refrigeration and Air Conditioning Technology (MindTap Course List)
8th Edition
ISBN:9781305578296
Author:John Tomczyk, Eugene Silberstein, Bill Whitman, Bill Johnson
Publisher:John Tomczyk, Eugene Silberstein, Bill Whitman, Bill Johnson
Chapter35: Comfort And Psychrometrics
Section: Chapter Questions
Problem 12RQ: A gas furnace has an output of 60,000 Btu/h. The return air temperature is 72F, and the temperature...
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![Q1/ A power plant operating on Camot cycle that produces (500MW). I
turned out that this represents (n-28%) of the energy supplied to the plant by
buming coal in the boiler, and the used coal releases an energy of
(29.5MJ/ kg). Calculate the mass of coal the plant burns in one hour.
Q2 / Heat is transferred from a tank of water in a refrigerator at( OC)
degrees to a tank of boiling water at (100 C ) degrees. With a reversible
machine (heat pump). Calculate the Heat drawn from the refrigerator. if it
was The heat transfered to the tank of boiling water is 2254kJ.
Q3/ Consider Steam is cooled from 550 to 111.4 °C. Assume that during
this process the pressure dropped from 300 to 150 kPa. Calculate the change
in entropy per kilogram.](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F3090681b-4d73-406e-aadb-0435edb9c89e%2F639ef3a9-8ec0-45c7-816a-5c6b3989b7d9%2Fwmin4h_processed.jpeg&w=3840&q=75)
Transcribed Image Text:Q1/ A power plant operating on Camot cycle that produces (500MW). I
turned out that this represents (n-28%) of the energy supplied to the plant by
buming coal in the boiler, and the used coal releases an energy of
(29.5MJ/ kg). Calculate the mass of coal the plant burns in one hour.
Q2 / Heat is transferred from a tank of water in a refrigerator at( OC)
degrees to a tank of boiling water at (100 C ) degrees. With a reversible
machine (heat pump). Calculate the Heat drawn from the refrigerator. if it
was The heat transfered to the tank of boiling water is 2254kJ.
Q3/ Consider Steam is cooled from 550 to 111.4 °C. Assume that during
this process the pressure dropped from 300 to 150 kPa. Calculate the change
in entropy per kilogram.
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