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Q1/A power plant operating on Camot cycele that produces (500MW). I tumed out that this represents (n-28%) of the energy supplied to the plant by buning coal in the boiler, and the used coal releases an energy of (29.5MJ kg). Calculate the mass of coal the plant bums in one hour.

Q1/A power plant operating on Camot cycele that produces (500MW). I tumed out that this represents (n-28%) of the energy supplied to the plant by buning coal in the boiler, and the used coal releases an energy of (29.5MJ kg). Calculate the mass of coal the plant bums in one hour.

Introduction to Chemical Engineering Thermodynamics
Introduction to Chemical Engineering Thermodynamics
8th Edition
ISBN:9781259696527
Author:J.M. Smith Termodinamica en ingenieria quimica, Hendrick C Van Ness, Michael Abbott, Mark Swihart
Publisher:J.M. Smith Termodinamica en ingenieria quimica, Hendrick C Van Ness, Michael Abbott, Mark Swihart
Chapter1: Introduction
Section: Chapter Questions
Problem 1.1P
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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 bums 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 1114 °C. Assume that during this process the pressure dropped from 300 to 150 kPa. Calculate the change in entropy per kilogram.
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 bums 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 1114 °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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