Prob-3 A cyclic machine, shown in Fig. below receives 300 kJ from a 1000 K energy reservoir. It rejects 125 kJ to energy reservoir and the cycle produces 200 kJ of work as output. Is this cycle reversible, irreversible, or imposs TH= 1000 K

Prob-3 A cyclic machine, shown in Fig. below receives 300 kJ from a 1000 K energy reservoir. It rejects 125 kJ to energy reservoir and the cycle produces 200 kJ of work as output. Is this cycle reversible, irreversible, or imposs TH= 1000 K

Sustainable Energy

2nd Edition

ISBN:9781337551663

Author:DUNLAP, Richard A.

Publisher:DUNLAP, Richard A.

Chapter15: Geothermal Energy

Section: Chapter Questions

Problem 1P

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Hydrogen Energy

Energy is a quantity that cannot be defined, its existence can only be felt. In simple language, if a system possesses energy, it can do a specific kind of work. There are many forms of energy sources which people can use to obtain work. Solar energy, tidal energy, hydroelectric energy, geothermal energy, wind energy are some of the renewable energy sources which are primarily used for the production of electricity.

Question

Prob-3 A cyclic machine, shown in Fig. below receives 300 kJ from a 1000 K energy reservoir. It rejects 125 kJ to a 400 K
energy reservoir and the cycle produces 200 kJ of work as output. Is this cycle reversible, irreversible, or impossible?
TH= 1000 K
HE
Q..=300 kJ
H
W 200 kJ
=
19₂² 125 kJ
TL=400 K

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