Problem 2: A piston-cylinder device contains 50 kg of water at 250 kPa and 25 °C. The cross-sectional area of the piston is 0.1 m2. Heat is now transferred to the water, causing part of it to evaporate and expand. When the volume reaches 0.2 m3, the piston reaches a linear spring whose spring constant is 100 kN/m. More heat is transferred to the water LA =0.1 m² until the piston rises 20 cm more. Determine (a) the final pressure and temperature and (b) the work done during this process. Also, show the process on a P-V diagram. A = H2O m = 50 kg wwwwww

Elements Of Electromagnetics
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Author:Sadiku, Matthew N. O.
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Problem 2: A piston-cylinder device contains
50 kg of water at 250 kPa and 25 °C. The
cross-sectional area of the piston is 0.1 m².
Heat is now transferred to the water, causing
part of it to evaporate and expand. When the
volume reaches 0.2 m3, the piston reaches a
linear spring whose spring constant is 100
kN/m. More heat is transferred to the water
LA =0.1 m²
until the piston rises 20 cm more. Determine
(a) the final pressure and temperature and (b)
the work done during this process. Also, show
the process on a P-V diagram.
H20
m = 50 kg
Transcribed Image Text:Problem 2: A piston-cylinder device contains 50 kg of water at 250 kPa and 25 °C. The cross-sectional area of the piston is 0.1 m². Heat is now transferred to the water, causing part of it to evaporate and expand. When the volume reaches 0.2 m3, the piston reaches a linear spring whose spring constant is 100 kN/m. More heat is transferred to the water LA =0.1 m² until the piston rises 20 cm more. Determine (a) the final pressure and temperature and (b) the work done during this process. Also, show the process on a P-V diagram. H20 m = 50 kg
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