Q49. Air at pressure of 100 kN/m² and temperature of 25 °C compressed to a pressure of1 MN/m? according to the following processes:1) isothermal, 2) polytropic and 3) adiabatic.Find:(a) Sketch the p-v diagram of the processes,(c)The change of entropy of theTake, Cp= 1.006 kJ/kg K,processes,R= 0.287 kJ/kg K and n=1.25(b) The work of the processes,(d) The heat transfer of the processes.Q50. In an ideal diesel cycle, the compression ratio is 16 and the the expansionratio is 8. The pressure and temperature at the beginning of compressionare 101 kN/m? and 30 °C, respectively and the pressure at the end ofexpansion is 270 kN/m?. Determine:a. The work of the cycle b. The thermal efficiency of the cycle.Cp= 1.005 kJ/kg K, R= 0.287 kJ/kg KQ51. A quantity of air at a pressure of 100 kN/m? and temperature of 20 °C iscompressed according to the law PV1.36 = constant, from a volume of0.56 m³ to volume of 0.15 m³. Then compressed at constant volume to thepressure of 900 kN/m?. Calculate the work, heat transfer and the change ofentropy during these processes.Take, Cp= 1.006 kJ/kg K, C= 0.717 kJ/kg K.

The above question is based on various processes in thermodynamics, i..e Isothermal, Adiabatic and…

Q49. Air at pressure of 100 kN/m? and temperature of 25 °C compressed to a pressure of 1 MN/m2 according to the following processes: 1) isothermal, 2) polytropic and 3) adiabatic. Find: (a) Sketch the p-v diagram of the processes, (c)The change of entropy of the processes, Take, Cp= 1.006 kJ/kg K, R= 0.287 kJ/kg K and n=1.25 (b) The work of the processes, (d) The heat transfer of the processes.

Q49. Air at pressure of 100 kN/m? and temperature of 25 °C compressed to a pressure of 1 MN/m2 according to the following processes: 1) isothermal, 2) polytropic and 3) adiabatic. Find: (a) Sketch the p-v diagram of the processes, (c)The change of entropy of the processes, Take, Cp= 1.006 kJ/kg K, R= 0.287 kJ/kg K and n=1.25 (b) The work of the processes, (d) The heat transfer of the processes.

Elements Of Electromagnetics

7th Edition

ISBN:9780190698614

Author:Sadiku, Matthew N. O.

Publisher:Sadiku, Matthew N. O.

ChapterMA: Math Assessment

Section: Chapter Questions

Problem 1.1MA

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