A piston-cylinder assembly contains 2 kg of liquid water at 20 ° C and 100 kPa pressure. 1000 kPa pressure is required for the piston in the cylinder to start moving. Then, the water inside the piston was heated to 300 ° C by means of the welding having a temperature of 500 ° C and accordingly the piston moved a certain amount. According to this a) Find the final volume (m). b) Find the boundary work done (kJ). c) Find the amount of heat transfer (kJ). d) Find the total entropy generation (kJ / K).
A piston-cylinder assembly contains 2 kg of liquid water at 20 ° C and 100 kPa pressure. 1000 kPa pressure is required for the piston in the cylinder to start moving. Then, the water inside the piston was heated to 300 ° C by means of the welding having a temperature of 500 ° C and accordingly the piston moved a certain amount. According to this a) Find the final volume (m). b) Find the boundary work done (kJ). c) Find the amount of heat transfer (kJ). d) Find the total entropy generation (kJ / K).
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 piston-cylinder assembly contains 2 kg of liquid water at 20 ° C and 100 kPa pressure. 1000 kPa pressure is required for the piston in the cylinder to start moving. Then, the water inside the piston was heated to 300 ° C by means of the welding having a temperature of 500 ° C and accordingly the piston moved a certain amount. According to this
a) Find the final volume (m).
b) Find the boundary work done (kJ).
c) Find the amount of heat transfer (kJ). d) Find the total entropy generation (kJ / K).
Transcribed Image Text:3) Bir piston silindir düzeneğinde 20 °C sıcaklıkta ve 100
kPa basınçta 2 kg sıvı su vardır. Silindir içindeki pistonun
hareket etmeye başlaması için 1000 kPa basınç
gerekmektedir. Daha sonra 500°C sıcaklığa sahip kaynak
vasıtasıyla piston içindeki su 300 °C sıcaklığa ısıtılmıştır
ve buna bağlı olarak piston
etmiştir. Buna göre,
Su
belirli bir miktar hareket
500 °C
KAYNAK
a) Son haldeki hacmi (m³) bulunuz.
b) Yapılan sınır işini (kJ) bulunuz.
c) Isı transferi miktarını (kJ) bulunuz.
d) Toplam entropi üretimini (kJ/K) bulunuz.
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