H.W # (3)Q1: An 80-L vessel contains 4 kg of refrigerant-134a at a pressure of 160 kPa. Determine (a) thetemperature, (b) the quality, (c) the enthalpy of the refrigerant, and (d) the volume occupied by the vaporphase.Ans.: 215.6 °C, 0.157, 64.1 kJ/kg, and 0.0776 mQ2: 0.1 kg of water is contained within a piston-cylinder assembly at100°C. The piston is free to move smoothly in the cylinder. The localand nogalarotion of grouitu ore 100 kPa and 0 S1 m/c?2981 matmosn

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Ql: An 80-L vessel contains 4 kg of refrigerant-134a at a pressure of 160 kPa. Determine (a) the temperature, (b) the quality, (c) the enthalpy of the refrigerant, and (d) the volume occupied by the vapor phase.

Ql: An 80-L vessel contains 4 kg of refrigerant-134a at a pressure of 160 kPa. Determine (a) the temperature, (b) the quality, (c) the enthalpy of the refrigerant, and (d) the volume occupied by the vapor phase.

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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Work and Heat Transfer

It is generally related to thermal engineering which tells about the use, creation, conversion and transfer of heat energy between the systems. It is also considered that to transfer heat from one source to another, transfer of masses is also required. There are various mechanisms by which, transfer of heat takes place i.e. thermal conduction, convection, radiation or by change of phase. All these mechanisms have their own specific features which sometimes occur simultaneously within the same system.

Question

H.W # (3)
Q1: An 80-L vessel contains 4 kg of refrigerant-134a at a pressure of 160 kPa. Determine (a) the
temperature, (b) the quality, (c) the enthalpy of the refrigerant, and (d) the volume occupied by the vapor
phase.
Ans.: 215.6 °C, 0.157, 64.1 kJ/kg, and 0.0776 m
Q2: 0.1 kg of water is contained within a piston-cylinder assembly at
100°C. The piston is free to move smoothly in the cylinder. The local
and nogalarotion of grouitu ore 100 kPa and 0 S1 m/c?
2981 m
atmosn

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