A vertically arranged piston-cylinder assembly is filled with 6.3 kg of steam. The mass of the piston is 28 kg and the area is 0.64 cm2. The atmospheric pressure outside of the piston surface is 112 kPa. The steam has undergone a process from State 1 of specific internal energy 2878 kJ/kg to State 2, where the specific internal energy is 2657 kJ/kg. During the process, a paddle wheel attached to an electric motor transfers 15 kJ of energy to the steam in the form of work. Additionally, 97 kJ of energy in the form of heat transfer is transferred to the steam. i. Calculate the pressure of the steam in the cylinder ii. Determine the energy transfer by work by the steam to the piston. Take gravitation acceleration of 9.81 m/s? The change in kinetic and potential energy of the steam is neglected. Friction between the piston and the cylinder is neglected.

A vertically arranged piston-cylinder assembly is filled with 6.3 kg of steam. The mass of the piston is 28 kg and the area is 0.64 cm2. The atmospheric pressure outside of the piston surface is 112 kPa. The steam has undergone a process from State 1 of specific internal energy 2878 kJ/kg to State 2, where the specific internal energy is 2657 kJ/kg. During the process, a paddle wheel attached to an electric motor transfers 15 kJ of energy to the steam in the form of work. Additionally, 97 kJ of energy in the form of heat transfer is transferred to the steam. i. Calculate the pressure of the steam in the cylinder ii. Determine the energy transfer by work by the steam to the piston. Take gravitation acceleration of 9.81 m/s? The change in kinetic and potential energy of the steam is neglected. Friction between the piston and the cylinder is neglected.

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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