A closed rigid tank contains 5.5 lbm of Refrigerant 134a, initially at a temperature T = 200°F. The tank is cooled until the refrigerant is saturated vapor at T₂ = 70°F. Assume changes in kinetic and potential energy are negligible. Determine: a. initial and final pressures [psia] b. heat transfer [Btu] during the process (indicate magnitude and direction) c. Draw the T-v and P-v diagrams. clearly label all states and process line and indicate and label all relevant constant property lines and values (show general equations when solving as well) Note using the tables found in the FUNDAMENTALS OF ENGINEERING THERMODYNAMICS (9th edition) Michael J. Moran, Howard N. Shapiro, Daisie D. Boettner, Margaret B. Bailey

Elements Of Electromagnetics
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A closed rigid tank contains 5.5 lbm of Refrigerant 134a, initially at a temperature T = 200°F. The
tank is cooled until the refrigerant is saturated vapor at T₂ = 70°F. Assume changes in kinetic and
potential energy are negligible. Determine:
a. initial and final pressures [psia]
b. heat transfer [Btu] during the process (indicate magnitude and direction)
c. Draw the T-v and P-v diagrams. clearly label all states and process line and indicate and label all
relevant constant property lines and values (show general equations when solving as well)
Note using the tables found in the FUNDAMENTALS OF ENGINEERING THERMODYNAMICS (9th
edition)
Michael J. Moran, Howard N. Shapiro, Daisie D. Boettner, Margaret B. Bailey
Transcribed Image Text:A closed rigid tank contains 5.5 lbm of Refrigerant 134a, initially at a temperature T = 200°F. The tank is cooled until the refrigerant is saturated vapor at T₂ = 70°F. Assume changes in kinetic and potential energy are negligible. Determine: a. initial and final pressures [psia] b. heat transfer [Btu] during the process (indicate magnitude and direction) c. Draw the T-v and P-v diagrams. clearly label all states and process line and indicate and label all relevant constant property lines and values (show general equations when solving as well) Note using the tables found in the FUNDAMENTALS OF ENGINEERING THERMODYNAMICS (9th edition) Michael J. Moran, Howard N. Shapiro, Daisie D. Boettner, Margaret B. Bailey
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