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Refrigerant 134a expands in a piston-cylinder assembly from p₁ = 140 lb/in² and T₁ = 140°F to p₂ = 30 lb/in² and T₂ = 80°F. The mass of refrigerant is 0.44 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 = 140 lb/in² and T₁ = 140°F to p₂ = 30 lb/in² and T₂ = 80°F. The mass of refrigerant is 0.44 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.

Structural Analysis
Structural Analysis
6th Edition
ISBN:9781337630931
Author:KASSIMALI, Aslam.
Publisher:KASSIMALI, Aslam.
Chapter2: Loads On Structures
Section: Chapter Questions
Problem 1P
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Refrigerant 134a expands in a piston-cylinder assembly from p₁ = 140 lb/in² and T₁ = 140°F to p₂ = 30 lb/in² and T₂ = 80°F. The mass of refrigerant is 0.44 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.
Transcribed Image Text:Refrigerant 134a expands in a piston-cylinder assembly from p₁ = 140 lb/in² and T₁ = 140°F to p₂ = 30 lb/in² and T₂ = 80°F. The mass of refrigerant is 0.44 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.
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