During an isentropic non-flow process with air, the pressure drops from 75psia to 30psia. The air has mass of 0.25 lbm and the initial temperature was 265°F. Find: a. The final temperature, in °F b. The heat transferred, in BTU C. The change in internal energy, in BTU d. The work done, in BTU

During an isentropic non-flow process with air, the pressure drops from 75psia to 30psia. The air has mass of 0.25 lbm and the initial temperature was 265°F. Find: a. The final temperature, in °F b. The heat transferred, in BTU C. The change in internal energy, in BTU d. The work done, in BTU

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

Chapter2: Matter And Energy

Section: Chapter Questions

Problem 30RQ: A gas is compressed inside a compressor's cylinder. When the piston is at its bottom dead center,...

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Question

During an isentropic non-flow process with air, the pressure drops from 75psia to 30psia. The air has
mass of 0.25 lbm and the initial temperature was 265°F. Find:
a. The final temperature, in °F
b. The heat transferred, in BTU
C. The change in internal energy, in BTU
d.
The work done, in BTU

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