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QUESTION 8 The Kelvin-Planck and Clausius statements of thermodynamics are equivalent. In order to prove the equivalence, a heat-engine-refrigerator combined system is used as shown below. The system satisfies the following conditions, where QH and QL are known values 1) Heat recieved by the heat engine from the source: QH,HE=QH 2) Heat QH is completely converted into net work output from the heat engine: QH-Wnet 3) Heat recieved by the regrigerator from the sink: QLR=QL What is the heat exported to the source by the combined system, QH,sys? HE QH.HE=QH QLHE=0 O AQL O B. QH-QL O CQH O D.QH+QL TH Wet net, HE TL R QHR QLR=QL

QUESTION 8 The Kelvin-Planck and Clausius statements of thermodynamics are equivalent. In order to prove the equivalence, a heat-engine-refrigerator combined system is used as shown below. The system satisfies the following conditions, where QH and QL are known values 1) Heat recieved by the heat engine from the source: QH,HE=QH 2) Heat QH is completely converted into net work output from the heat engine: QH-Wnet 3) Heat recieved by the regrigerator from the sink: QLR=QL What is the heat exported to the source by the combined system, QH,sys? HE QH.HE=QH QLHE=0 O AQL O B. QH-QL O CQH O D.QH+QL TH Wet net, HE TL R QHR QLR=QL

Elements Of Electromagnetics
Elements Of Electromagnetics
7th Edition
ISBN:9780190698614
Author:Sadiku, Matthew N. O.
Publisher:Sadiku, Matthew N. O.
ChapterMA: Math Assessment
Section: Chapter Questions
Problem 1.1MA
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  1. The Kelvin-Planck and Clausius statements of thermodynamics are equivalent.  In order to prove the equivalence, a heat-engine-refrigerator combined system is used as shown below. The system satisfies the following conditions, where QH and QL are known values.

    1) Heat recieved by the heat engine from the source:  QH,HE=QH

    2) Heat QH is completely converted into net work output from the heat engine: QH=Wnet

    3) Heat recieved by the regrigerator from the sink:  QL,R=QL

    What is the heat exported to the source by the combined system, QH,sys?__________


     

      A.

    QL
      B.

    QH-QL
      C.

    QH
      D.

    QH+QL
QUESTION 8 The Kelvin-Planck and Clausius statements of thermodynamics are equivalent. In order to prove the equivalence, a heat-engine-refrigerator combined system is used as shown below. The system satisfies the following conditions, where QH and QL are known values. 1) Heat recieved by the heat engine from the source: QH,HE=QH 2) Heat QH is completely converted into net work output from the heat engine: QH-Wnet 3) Heat recieved by the regrigerator from the sink: QL,R=QL What is the heat exported to the source by the combined system, QH,sys? HE QH.HE=QH QL,HE=0 O A QL O B. QH-QL O CQH O D.QH+QL TH Wnet. HE TL R QH.R QL,R=QL
Transcribed Image Text:QUESTION 8 The Kelvin-Planck and Clausius statements of thermodynamics are equivalent. In order to prove the equivalence, a heat-engine-refrigerator combined system is used as shown below. The system satisfies the following conditions, where QH and QL are known values. 1) Heat recieved by the heat engine from the source: QH,HE=QH 2) Heat QH is completely converted into net work output from the heat engine: QH-Wnet 3) Heat recieved by the regrigerator from the sink: QL,R=QL What is the heat exported to the source by the combined system, QH,sys? HE QH.HE=QH QL,HE=0 O A QL O B. QH-QL O CQH O D.QH+QL TH Wnet. HE TL R QH.R QL,R=QL
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