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Refrigerant 134a expands in a piston-cylinder assembly from p₁ = 160 lb/in² and T₁ = 140°F to p₂ = 30 lb/in² and T₂ = 80 °F. The mass of refrigerant is 0.46 lb. During the process, the work done by the refrigerant is 4.32 Btu. Kinetic and potential energy effects are negligible. Determine the initial volume of the refrigerant, V₁, in ft³, and the heat transfer for the process, in Btu.

Refrigerant 134a expands in a piston-cylinder assembly from p₁ = 160 lb/in² and T₁ = 140°F to p₂ = 30 lb/in² and T₂ = 80 °F. The mass of refrigerant is 0.46 lb. During the process, the work done by the refrigerant is 4.32 Btu. Kinetic and potential energy effects are negligible. Determine the initial volume of the refrigerant, V₁, in ft³, and the heat transfer for the process, in Btu.

Principles of Heat Transfer (Activate Learning with these NEW titles from Engineering!)
Principles of Heat Transfer (Activate Learning with these NEW titles from Engineering!)
8th Edition
ISBN:9781305387102
Author:Kreith, Frank; Manglik, Raj M.
Publisher:Kreith, Frank; Manglik, Raj M.
Chapter10: Heat Exchangers
Section: Chapter Questions
Problem 10.19P
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Question 10 of 14 View Policies Current Attempt in Progress < Refrigerant 134a expands in a piston-cylinder assembly from p₁ = 160 lb/in² and T₁ = 140°F to p₂ = 30 lb/in² and T₂ = 80°F. The mass of refrigerant is 0.46 lb. During the process, the work done by the refrigerant is 4.32 Btu. Kinetic and potential energy effects are negligible. Determine the initial volume of the refrigerant, V₁, in ft3, and the heat transfer for the process, in Btu. Step 1 Determine the initial volume of the refrigerant, V₁, in ft³. V₁= i Save for Later ft³ -/1 Attempts: 0 of 4 used Step 2 The parts of this question must be completed in order. This part will be available when you complete the part above. Submit Answer :
Transcribed Image Text:Question 10 of 14 View Policies Current Attempt in Progress < Refrigerant 134a expands in a piston-cylinder assembly from p₁ = 160 lb/in² and T₁ = 140°F to p₂ = 30 lb/in² and T₂ = 80°F. The mass of refrigerant is 0.46 lb. During the process, the work done by the refrigerant is 4.32 Btu. Kinetic and potential energy effects are negligible. Determine the initial volume of the refrigerant, V₁, in ft3, and the heat transfer for the process, in Btu. Step 1 Determine the initial volume of the refrigerant, V₁, in ft³. V₁= i Save for Later ft³ -/1 Attempts: 0 of 4 used Step 2 The parts of this question must be completed in order. This part will be available when you complete the part above. Submit Answer :
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