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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
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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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.
Transcribed Image Text: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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