Question 2a. Explain the First Law of Thermodynamics and how it is expressed in terms of balanceof energy in a flow and non-flow process.b. In a closed system, one kilogramme of air initially at 1 bar and 27°C is compressedadiabatically to 30 bar and then expanded isothermally back to its original volume.i. Determine the net work done.ii. Show the processes on the p-v diagram.c. In a gas turbine plant, mass flow rate of the gases flow through the turbine is 20 kg/sand the power developed by the turbine is 16,400 kW. The enthalpy of the gases atthe inlet and at the outlet are 1200 kJ/kg and 360 kJ/kg respectively. The velocity ofthe gases at the inlet and at the outlet are 60 m/s and 150 m/s respectively.i. Calculate the rate at which heat is rejected from the turbine.ii. Determine the area of the inlet pipe given that the specific volume of thegases at inlet is 0.3 m/kg.

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Answered: a. Explain the First Law of…

a. Explain the First Law of Thermodynamics and how it is expressed in terms of balance of energy in a flow and non-flow process.

Elements Of Electromagnetics

7th Edition

ISBN:9780190698614

Author:Sadiku, Matthew N. O.

Publisher:Sadiku, Matthew N. O.

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Laws of thermodynamics

Thermodynamics is a field of research, which needs the creation of absolute and ideal states and logical and practical examination of the actual conditions. By considering all the laws and theories of thermodynamics, the chemical reactions, the occurrence of processes, and physiological functions can be predicted with this field.

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