Q10) One kg of an ideal gas is compressed isothermally at 400K from 100 kPa to 1000kPa in a piston cylinder arrange, calculate the entropy change of the entropy change of the surroundings and the total change in entropy if, a- the process is mechanically reversible b- the process is reversible and the surroundings consist of heat sink at 300K ,c- the process is mechanically irreversible requiring 20% more work than the mechanically reversible compression and the surroundings consist of heat sink reservoir at 300K. Take R=0.287. gas, the

Elements Of Electromagnetics
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Author:Sadiku, Matthew N. O.
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Q10) One kg of an ideal gas is compressed isothermally at 400K from 100 kPa to
1000kPa in a piston cylinder arrange, calculate the entropy change of the gas, the
entropy change of the surroundings and the total change in entropy if, a- the
process is mechanically reversible b- the process is reversible and the surroundings
consist of heat sink at 300K ,c- the process is mechanically irreversible requiring
20% more work than the mechanically reversible compression and the
surroundings consist of heat sink reservoir at 300K. Take R=0.287.
Transcribed Image Text:Q10) One kg of an ideal gas is compressed isothermally at 400K from 100 kPa to 1000kPa in a piston cylinder arrange, calculate the entropy change of the gas, the entropy change of the surroundings and the total change in entropy if, a- the process is mechanically reversible b- the process is reversible and the surroundings consist of heat sink at 300K ,c- the process is mechanically irreversible requiring 20% more work than the mechanically reversible compression and the surroundings consist of heat sink reservoir at 300K. Take R=0.287.
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