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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