A volume of 0.03 m of O, mi larally at 220 F and pressure 4 bar is compressed reversibly at constant temperature to final volume 0.6 m3. Calculate the mass, the final pressure, the increase in internal energy and work done. Moz = 32 mol / kg %3D

Elements Of Electromagnetics
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Author:Sadiku, Matthew N. O.
Publisher:Sadiku, Matthew N. O.
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EXAMPLE 1
A volume of 0.03 m of O, mi larally at 220 F and pressure 4 bar
is compressed reversibly at constant temperature to final
volume 0.6 m3. Calculate the mass, the final pressure , the
increase in internal energy and work done. Mo2 = 32 mol / kg
EXAMPLE 2
g of gas occupying 0,7 m had on original temperature of 0.25
15 °F. It was then heated at constant volume until its
temperature become 135 °C. How much heat was transferred
to the gas and what was its final pressure? Take Cv = 0.72 kJ/
kg.K and R = 0.29 kJ/ kg.K
EXAMPLE 3
A certain fluid at 10 KPa is contained in a cylinder behind a
piston. The initial volume being 0.5 m'. Calculate the work done
.by the fluid when it expands reversibly
a- At constant pressure to a final volume of 0,7 m?
b- according to a linear law to a final volume of 1 m' and
a final pressure of 2.5 bar
Transcribed Image Text:EXAMPLE 1 A volume of 0.03 m of O, mi larally at 220 F and pressure 4 bar is compressed reversibly at constant temperature to final volume 0.6 m3. Calculate the mass, the final pressure , the increase in internal energy and work done. Mo2 = 32 mol / kg EXAMPLE 2 g of gas occupying 0,7 m had on original temperature of 0.25 15 °F. It was then heated at constant volume until its temperature become 135 °C. How much heat was transferred to the gas and what was its final pressure? Take Cv = 0.72 kJ/ kg.K and R = 0.29 kJ/ kg.K EXAMPLE 3 A certain fluid at 10 KPa is contained in a cylinder behind a piston. The initial volume being 0.5 m'. Calculate the work done .by the fluid when it expands reversibly a- At constant pressure to a final volume of 0,7 m? b- according to a linear law to a final volume of 1 m' and a final pressure of 2.5 bar
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