Determine the heat transfer to the air in kJ, ignoring friction

Elements Of Electromagnetics
7th Edition
ISBN:9780190698614
Author:Sadiku, Matthew N. O.
Publisher:Sadiku, Matthew N. O.
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Piston-cylinder consisting of a piston with a mass of 50 kg and a surface area of ​​0.01 m2 There is air in the assembly. The mass of air is 5 g, and initially the volume of air is 5 liters. it covers. Atmospheric pressure is 100 kPa. As the specific internal energy of the air decreases by 260 kJ/kg the volume of the air is also gradually 0.002 m3 falls to . between the piston and the cylinder surface Determine the heat transfer to the air in kJ, ignoring friction

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