A vertical piston–cylinder device initially contains 0.25 m3 of air at 300 0C by placing 600 kg on the piston (Patm = 100 kPa). The piston has a mass of 5 kg and a diameter of 12 cm. A valve connected to the cylinder is now opened, and air is allowed to escape until three-quarters of the mass leave the cylinder at which point the final temperature in the cylinder is 182 0C. Determine the boundary work during this process.

Elements Of Electromagnetics
7th Edition
ISBN:9780190698614
Author:Sadiku, Matthew N. O.
Publisher:Sadiku, Matthew N. O.
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A vertical piston–cylinder device initially contains 0.25 m3 of air at 300 0C by placing 600 kg on the piston (Patm = 100 kPa). The piston has a mass of 5 kg and a diameter of 12 cm. A valve connected to the cylinder is now opened, and air is allowed to escape until three-quarters of the mass leave the cylinder at which point the final temperature in the cylinder is 182 0C. Determine the boundary work during this process.
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