A frictionless piston-cylinder device as shown in Fig. Qlb contains water at 400 kPa and thewater is heated at constant pressure from saturated liquid to saturated vapor. Then, the heatingprocess is continued in an isobaric manner until its specific volume reaches the value of0.5 mkg.WaterHeatFigure Qlbi) What is the initial temperature of water in the cylinder?ii) What is the final temperature of water in the cylinder?iii) Calculate the total boundary work đuring the processes, kJ/kg.iv) Calculate the total amount of heat transferred during the processes, kJ/kg.v) Sketch both processes on a T – v diagram with respect to saturation lines.

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Description: A frictionless piston-cylinder device as shown in Fig. Qlb contains water at 400 kPa and thewater is heated at constant pressure from saturated liquid to saturated vapor. Then, the heatingprocess is continued in an isobaric manner until its specific

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A frictionless piston-cylinder device as shown in Fig. Q1b contains water at 400 kPa and the water is heated at constant pressure from saturated liquid to saturated vapor. Then, the heating process is continued in an isobaric manner until its specific volume reaches the value of 0.5 mkg.

A frictionless piston-cylinder device as shown in Fig. Q1b contains water at 400 kPa and the water is heated at constant pressure from saturated liquid to saturated vapor. Then, the heating process is continued in an isobaric manner until its specific volume reaches the value of 0.5 mkg.

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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Question

A frictionless piston-cylinder device as shown in Fig. Qlb contains water at 400 kPa and the
water is heated at constant pressure from saturated liquid to saturated vapor. Then, the heating
process is continued in an isobaric manner until its specific volume reaches the value of
0.5 mkg.
Water
Heat
Figure Qlb
i) What is the initial temperature of water in the cylinder?
ii) What is the final temperature of water in the cylinder?
iii) Calculate the total boundary work đuring the processes, kJ/kg.
iv) Calculate the total amount of heat transferred during the processes, kJ/kg.
v) Sketch both processes on a T – v diagram with respect to saturation lines.

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