2. A mass of 12 kg of saturated refrigerant-134a vapor is contained in a piston-cylinder device at 240 kPa. Now 300 kJ of heat is transferred to the refrigerant at constant pressure while a 110-V source supplies current to a resistor within the cylinder for 6 min. Determine the current supplied if the final temperature is 70°C. Also, show the process on a T-v diagram with respect to the saturation lines. R-134a P= constant W

Elements Of Electromagnetics
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Author:Sadiku, Matthew N. O.
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2. A mass of 12 kg of saturated refrigerant-134a vapor is contained in a piston-cylinder
device at 240 kPa. Now 300 kJ of heat is transferred to the refrigerant at constant pressure
while a 110-V source supplies current to a resistor within the cylinder for 6 min. Determine
the current supplied if the final temperature is 70°C. Also, show the process on a T-v
diagram with respect to the saturation lines.
R-134a
P= constant
W.
Transcribed Image Text:2. A mass of 12 kg of saturated refrigerant-134a vapor is contained in a piston-cylinder device at 240 kPa. Now 300 kJ of heat is transferred to the refrigerant at constant pressure while a 110-V source supplies current to a resistor within the cylinder for 6 min. Determine the current supplied if the final temperature is 70°C. Also, show the process on a T-v diagram with respect to the saturation lines. R-134a P= constant W.
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