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R-134a, Sat. mixture P = 170 psia V = 1.5 ft³

R-134a, Sat. mixture P = 170 psia V = 1.5 ft³

Refrigeration and Air Conditioning Technology (MindTap Course List)
Refrigeration and Air Conditioning Technology (MindTap Course List)
8th Edition
ISBN:9781305578296
Author:John Tomczyk, Eugene Silberstein, Bill Whitman, Bill Johnson
Publisher:John Tomczyk, Eugene Silberstein, Bill Whitman, Bill Johnson
Chapter34: Indoor Air Quality
Section: Chapter Questions
Problem 4RQ: Three different biological contaminants are ______, and _______.
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2nd Law of Thermodynamics

A 1.5-ft3 rigid tank contains saturated refrigerant-134 at 170 psia. Initially, 20 percent of the volume is
occupied by liquid and the rest by vapor. A valve at the top of the tank is now opened, and vapor is allowed
to escape slowly from the tank. Heat is transferred to the refrigerant such that the pressure inside the tank
remains constant. The valve is closed when the last drop of liquid in the tank is vaporized. Determine the
total heat transfer for this process.

R-134a, Sat. mixture P = 170 psia V = 1.5 ft³
Transcribed Image Text:R-134a, Sat. mixture P = 170 psia V = 1.5 ft³
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