3. A piston-cylinder arrangement consists of two springs with different length but similar spring constant. Both springs are in their relaxed state when the piston is at the bottom of the cylinder, with only the first spring touching the piston while the second spring only touches the piston when V = 2.0 m³. Initially, the cylinder contains ammonia at 271.15 K and V = 1.0 m³ with a quality of 13%. Then, heat is added until the pressure finally reaches 1.20 MPa. Assuming the air pressure outside the cylinder is 0.1 MPa, calculate (a) The pressure at which the piston touches the second spring The final temperature (b) (c) Total work done by ammonia

3. A piston-cylinder arrangement consists of two springs with different length but similar spring constant. Both springs are in their relaxed state when the piston is at the bottom of the cylinder, with only the first spring touching the piston while the second spring only touches the piston when V = 2.0 m³. Initially, the cylinder contains ammonia at 271.15 K and V = 1.0 m³ with a quality of 13%. Then, heat is added until the pressure finally reaches 1.20 MPa. Assuming the air pressure outside the cylinder is 0.1 MPa, calculate (a) The pressure at which the piston touches the second spring The final temperature (b) (c) Total work done by ammonia

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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