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The working substance for a Carnot Cycle is 8 lb of air. The volume at the beginning of isothermal expansion is 9ft3 and the pressure is 285.3 psig. The ration of overall expansion is 6 and the temperature of the cold body is 90°F. Find the lowest pressure reached by the cycl

The working substance for a Carnot Cycle is 8 lb of air. The volume at the beginning of isothermal expansion is 9ft3 and the pressure is 285.3 psig. The ration of overall expansion is 6 and the temperature of the cold body is 90°F. Find the lowest pressure reached by the cycl

Elements Of Electromagnetics
Elements Of Electromagnetics
7th Edition
ISBN:9780190698614
Author:Sadiku, Matthew N. O.
Publisher:Sadiku, Matthew N. O.
ChapterMA: Math Assessment
Section: Chapter Questions
Problem 1.1MA
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Thermodynamics (Carnot Cycle)

The working substance for a Carnot Cycle is 8 lb of air. The volume at the beginning of isothermal expansion is 9ft3 and the pressure is 285.3 psig. The ration of overall expansion is 6 and the temperature of the cold body is 90°F. Find the lowest pressure reached by the cycle. 

 

 

Options:

a. 300 psia

b. 176.70 psia 

c. 30.18 psia 

d. 51.23 psia

e. 25.64 psia 

f. 13.59 psia 

g. None of the above

 

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