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A piston and cylinder device contains 0.15 kg of water at 25◦C (state 1). As shown in the figure, the piston weighs 500 N and has a cross-sectional area of 0.01 m2. Atmospheric pressure is 100 kPa. Heat is transferred to the cylinder from a reservoir at 200◦C, raising the piston. When the piston touches the stops, the volume inside the cylinder is Vmax= 0.165 m^3 (state 2). Heat continues to be transferred until the control mass reaches the boundary temperature (state 3). Determine: a) The initial pressure of the water (kPa) b) The temperature (Celsius) when the piston hits the stops c) The total work (kJ)

A piston and cylinder device contains 0.15 kg of water at 25◦C (state 1). As shown in the figure, the piston weighs 500 N and has a cross-sectional area of 0.01 m2. Atmospheric pressure is 100 kPa. Heat is transferred to the cylinder from a reservoir at 200◦C, raising the piston. When the piston touches the stops, the volume inside the cylinder is Vmax= 0.165 m^3 (state 2). Heat continues to be transferred until the control mass reaches the boundary temperature (state 3). Determine: a) The initial pressure of the water (kPa) b) The temperature (Celsius) when the piston hits the stops c) The total work (kJ)

Elements Of Electromagnetics
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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A piston and cylinder device contains 0.15 kg of water at 25◦C (state 1). As shown in the figure, the piston weighs 500 N and has a cross-sectional area of 0.01 m2. Atmospheric pressure is 100 kPa. Heat is transferred to the cylinder from a reservoir at 200◦C, raising the piston. When the piston touches the stops, the volume inside the cylinder is Vmax= 0.165 m^3 (state 2). Heat continues to be transferred until the control mass reaches the boundary temperature (state 3). Determine:

a) The initial pressure of the water (kPa)

b) The temperature (Celsius) when the piston hits the stops

c) The total work (kJ)

d) The total heat transfer (kJ)

e) The total entropy production for the entire process (kJ/K)

Ар — 0.01 m? Ap Patm = 100 kPa %3D Wp = 500 N T1 = 25°C water Ть 3 200°C
Transcribed Image Text:Ар — 0.01 m? Ap Patm = 100 kPa %3D Wp = 500 N T1 = 25°C water Ть 3 200°C
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