85 kJ of heat are supplied to a system at constant volume. The system rejects 90 kJ of heat at constant pressure and 20 kJ of work is done on it. The system is brought to its original state by adiabatic process. Determine the adiabatic work. Determine also the value of internal energy at all end states if initial value is 100 kJ. [Ans. W = 15 kJ; U, = 100 kJ, U, = 185 kJ; U, = 115 kJ] %3D %3D %3D %3D

Elements Of Electromagnetics
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Author:Sadiku, Matthew N. O.
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14. 85 kJ of heat are supplied to a system at constant volume. The system rejects 90 kJ of heat at constant
pressure and 20 kJ of work is done on it. The system is brought to its original state by adiabatic process.
Determine the adiabatic work. Determine also the value of internal energy at all end states if initial value
is 100 kJ.
[Ans. W 15 kJ; U, 100 kJ, U, = 185 kJ; U, = 115 kJ]
Transcribed Image Text:14. 85 kJ of heat are supplied to a system at constant volume. The system rejects 90 kJ of heat at constant pressure and 20 kJ of work is done on it. The system is brought to its original state by adiabatic process. Determine the adiabatic work. Determine also the value of internal energy at all end states if initial value is 100 kJ. [Ans. W 15 kJ; U, 100 kJ, U, = 185 kJ; U, = 115 kJ]
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