A piston cylinder device with stops as shown contains water initially at 25 C and 100 kPa "State 1". Heat is then added, and piston moves till it hits the stops where cylinder contains two phase mixture with quality x,-0.661 "State 2". Heating continues until final Pressure is 300 kPa "State 3". Piston Piston 1) What is the final specific volume (m /kg)? 0.9864 1.1202 1.0440 1.2217 None of the above 2) What is the boundary work (kJ/kg)? 104.30 111.92 98.54 122.07 None of the above 3) What is the final Temperature ( c)? 408.0 371.1 457.1 522.6 None of the above

A piston cylinder device with stops as shown contains water initially at 25 C and 100 kPa "State 1". Heat is then added, and piston moves till it hits the stops where cylinder contains two phase mixture with quality x,-0.661 "State 2". Heating continues until final Pressure is 300 kPa "State 3". Piston Piston 1) What is the final specific volume (m /kg)? 0.9864 1.1202 1.0440 1.2217 None of the above 2) What is the boundary work (kJ/kg)? 104.30 111.92 98.54 122.07 None of the above 3) What is the final Temperature ( c)? 408.0 371.1 457.1 522.6 None of the above

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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Concept explainers

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

A piston cylinder device with stops as shown
contains water initially at 25 C and 100 kPa "State
1". Heat is then added, and piston moves till it hits
the stops where cylinder contains two phase
mixture with quality x,-0.661 "State 2". Heating
continues until final Pressure is 300 kPa "State 3".
Piston
Piston
Qin
1) What is the final specific volume (m /kg)?
0.9864
1.1202
1.0440
1.2217
None of the above
2) What is the boundary work (kJ/kg)?
104.30
111.92
98.54
122.07
None of the above
3) What is the final Temperature ("C)?
408.0
371.1
457.1
522.6
None of the above

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A piston cylinder device with stops as shown contains water initially at 25 oC and 100 kPa “State 1”. Heat is then added, and piston moves till it hits the stops where cylinder contains two phase mixture with quality x2 = 0.616 “State 2”. Heating continues until final Pressure is 300 kPa “State 3”. 1) What is the final specific volume (m3/kg)? 1.2217 Not listed 1.1202 1.0440 0.9864 1.0551 2) What is the boundary work (kJ/kg)? 122.07 98.54 Not listed 104.30 116.85 111.92 3) What is the final Temperature (oC)? 457.1 371.1 441.6 408.0 Not listed 522.6
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