A piston-cylinder device with a set of stops initially contains 0.4 Kg of steam at 800 KPa and 400 °C. The location of the stops corresponds to 60% of the initial volume. Now the steam is cooled. The boundary work for the final state at 800 KPa and 200 °C is Select one: О а. 38.9 Kj O b. - 125.7Kj

Elements Of Electromagnetics
7th Edition
ISBN:9780190698614
Author:Sadiku, Matthew N. O.
Publisher:Sadiku, Matthew N. O.
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A piston-cylinder device with a
set of stops initially contains 0.4
Kg of steam at 800 KPa and 400
°C. The location of the stops
corresponds to 60% of the initial
volume.
Now the steam is cooled.
The boundary work for the final
state at 800 KPa and 200 °C is
Select one:
а.
38.9 Kj
O b.
- 125.7Kj
С.
-39.5 Kj
O d.
125.7 KJ
Transcribed Image Text:A piston-cylinder device with a set of stops initially contains 0.4 Kg of steam at 800 KPa and 400 °C. The location of the stops corresponds to 60% of the initial volume. Now the steam is cooled. The boundary work for the final state at 800 KPa and 200 °C is Select one: а. 38.9 Kj O b. - 125.7Kj С. -39.5 Kj O d. 125.7 KJ
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