A piston/cylinder arrangement contains 2 kg of ammonia at a temperature 132.45 ℃ and a pressure 5 MPa. The piston floats. Heat is added to the system until the temperature of ammonia reaches 416.37 ℃. (a) Determine the phase of ammonia during the whole process (from the initial to the final state). [Hint : Use the tables in App. 5]. b) Show the initial and final points of the process in a T-s and p-v diagram. In both diagrams sketch the dome. Show these two points relative to the dome. (c) Determine the initial and final volume of the piston/cylinder arrangement using tables. (d) Determine the useful work and the heat transfer using tables

Elements Of Electromagnetics
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ISBN:9780190698614
Author:Sadiku, Matthew N. O.
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  1. A piston/cylinder arrangement contains 2 kg of ammonia at a temperature 132.45 ℃ and a pressure 5 MPa. The piston floats. Heat is added to the system until the temperature of ammonia reaches 416.37 ℃.

(a) Determine the phase of ammonia during the whole process (from the initial to the final state). [Hint : Use the tables in App. 5].

b) Show the initial and final points of the process in a T-s and p-v diagram. In both diagrams sketch the dome. Show these two points relative to the dome.

(c) Determine the initial and final volume of the piston/cylinder arrangement using tables.

(d) Determine the useful work and the heat transfer using tables

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