Problem #3.15ne spring-loaded piston-cylinder device shown is filled with 0.5 kg of water vapor thatIS initially at 4 MPa and 400°C. Initially, the spring exerts no force against the piston.ie water now undergoes a process until its volume is one-half of the original volumeand the temperature drops to 220 °C.Sketch the process on a p-v diagram relative to the saturation lines and critical point.0) Sketch the process on a T-v diagram relative to the saturation lines and critical point.c.) Calculate the final pressure of the water.d.) Calculate the final specific enthalpy of the water. [1721.5 kJ/kg)SpringFluid

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Answered: 1.) Sketch the process on a p-v diagram…

Elements Of Electromagnetics

7th Edition

ISBN:9780190698614

Author:Sadiku, Matthew N. O.

Publisher:Sadiku, Matthew N. O.

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18. Air (N, = 77%, O, = 23% by weight) at 20°C and 10 bar is contained in a vessel of capacity of 0.5 m³. Some quantíty of carbon dioxide is forced into the vessel so that the temperature remains at 20°C but the pressure rises to 15 bar. Find the masses of oxygen, nitrogen and carbon dioxide in the cylinder. The universal gas constant is 8.3143 kJ/kg K. [Ans. 1.35 kg, 4.54 kg, 4.51 kg)
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1.) Sketch the process on a p-v diagram relative to the saturation lines and critical ) Sketch the process on a T-v diagram relative to the saturation lines and critical point. c.) Calculate the final pressure of the water. d.) Calculate the final specific enthalpy of the water. [1721.5 kJ/kg]