Calculate the thermal efficiency of an air standard limited pressure cycle with a compression ratio of 22, initial pressure and temperature of 100 kPa and 27 deg. C respectively, a pressure limit of 13 MPa and a total heat input of 1800 kJ/kg of air. (A) 59% (B) 43% 71% (D) 63%

Calculate the thermal efficiency of an air standard limited pressure cycle with a compression ratio of 22, initial pressure and temperature of 100 kPa and 27 deg. C respectively, a pressure limit of 13 MPa and a total heat input of 1800 kJ/kg of air. (A) 59% (B) 43% 71% (D) 63%

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

Chapter39: Residential Energy Auditing

Section: Chapter Questions

Problem 4RQ: Performing a home energy audit starts with a visualinspection of a home and its energy systems which...

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Question

Calculate the thermal efficiency of an air standard limited pressure cycle with a compression ratio of 22, initial pressure and
temperature of 100 kPa and 27 deg. C respectively. a pressure limit of 13 MPa and a total heat input of 1800 kJ/kg of air.
A) 59%
B) 43%
C) 71%
D) 63%

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