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*81. GO An irreversible engine operates between temperatures of 852 and 314 K. It absorbs 1285 J of heat from the hot reservoir and does 264 J of work. (a) What is the change ASumiverse in the entropy of the universe associ- ated with the operation of this engine? (b) If the engine were reversible, what would be the magnitude |W| of the work it would have done, assuming that it operated between the same temperatures and absorbed the same heat as the irreversible engine? (c) Using the results of parts (a) and (b), find the differ- ence between the work produced by the reversible and irreversible engines.

*81. GO An irreversible engine operates between temperatures of 852 and 314 K. It absorbs 1285 J of heat from the hot reservoir and does 264 J of work. (a) What is the change ASumiverse in the entropy of the universe associ- ated with the operation of this engine? (b) If the engine were reversible, what would be the magnitude |W| of the work it would have done, assuming that it operated between the same temperatures and absorbed the same heat as the irreversible engine? (c) Using the results of parts (a) and (b), find the differ- ence between the work produced by the reversible and irreversible engines.

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
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*81. GO An irreversible engine operates between temperatures of 852 and 314 K. It absorbs 1285 J of heat from the hot reservoir and does 264 J of work. (a) What is the change ASumiverse in the entropy of the universe associ- ated with the operation of this engine? (b) If the engine were reversible, what would be the magnitude |W| of the work it would have done, assuming that it operated between the same temperatures and absorbed the same heat as the irreversible engine? (c) Using the results of parts (a) and (b), find the differ- ence between the work produced by the reversible and irreversible engines.
Transcribed Image Text:*81. GO An irreversible engine operates between temperatures of 852 and 314 K. It absorbs 1285 J of heat from the hot reservoir and does 264 J of work. (a) What is the change ASumiverse in the entropy of the universe associ- ated with the operation of this engine? (b) If the engine were reversible, what would be the magnitude |W| of the work it would have done, assuming that it operated between the same temperatures and absorbed the same heat as the irreversible engine? (c) Using the results of parts (a) and (b), find the differ- ence between the work produced by the reversible and irreversible engines.
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