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Applying the Energy BalanceRefrigerant 134a expands in a
Chapter 3, Problem 52P(choose chapter or problem)
Refrigerant 134a expands in a piston-cylinder assembly from \(180 \mathrm{lbf} / \mathrm{in}^2\) and \(140^{\circ} \mathrm{F}\) to \(30 \mathrm{lbf} / \mathrm{in} .^2\) The mass of refrigerant is \(0.5 \mathrm{lb}\). During the process, heat transfer to the refrigerant from its surroundings is \(1.2 \mathrm{Btu}\) while the work done by the refrigerant is 4.32 Btu. Determine the final temperature of the refrigerant, in \({ }^{\circ} \mathrm{F}\). Kinetic and potential energy effects are negligible.
Questions & Answers
QUESTION:
Refrigerant 134a expands in a piston-cylinder assembly from \(180 \mathrm{lbf} / \mathrm{in}^2\) and \(140^{\circ} \mathrm{F}\) to \(30 \mathrm{lbf} / \mathrm{in} .^2\) The mass of refrigerant is \(0.5 \mathrm{lb}\). During the process, heat transfer to the refrigerant from its surroundings is \(1.2 \mathrm{Btu}\) while the work done by the refrigerant is 4.32 Btu. Determine the final temperature of the refrigerant, in \({ }^{\circ} \mathrm{F}\). Kinetic and potential energy effects are negligible.
ANSWER:Solution 52P
Step 1 of 4
Here our aim is to determine the final temperature of the refrigerant in Fahrenheit if the effects of Kinetic and Potential energies are neglected.