31. If 4 kg of steam 12 bar, 260 deg C expand into the wet region to 90 deg C in a polytropic process where pv1.156 = c, find (a) yz, deta H, delta U, delta S, (b) √ pdV, (c)-S Vdp, (d) W for nonflow, and (e) W for steady flow if delta K = -3kJ/kg. What does - Vdp represent in this process? (f) Find Q from steady flow and also from nonflow energy equations. Use Item B 16 (SI).
31. If 4 kg of steam 12 bar, 260 deg C expand into the wet region to 90 deg C in a polytropic process where pv1.156 = c, find (a) yz, deta H, delta U, delta S, (b) √ pdV, (c)-S Vdp, (d) W for nonflow, and (e) W for steady flow if delta K = -3kJ/kg. What does - Vdp represent in this process? (f) Find Q from steady flow and also from nonflow energy equations. Use Item B 16 (SI).
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
Related questions
Question
Please answer (a), (b), (c).

Transcribed Image Text:Enthalpy kJ/kg
4:5
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4.5
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BAZ ZVIZMIZ
5.0
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MOSTURE
Entropy, kJ/kg K
7.0
7.0
Entropy, kJ/kg K
8.0
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(334
9.0
560
#***
9.5
TEMPERATURE C
9.0
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9.5
Enthalpy kJ/kg

Transcribed Image Text:31. If 4 kg of steam 12 bar, 260 deg C expand into the wet region to 90 deg C in a polytropic process
where pV1.156 = c, find (a) yz, deta H, delta U, delta S, (b) pdV, (c) -f Vdp, (d) W for nonflow, and (e) W
for steady flow if delta K = -3kJ/kg. What does - Vdp represent in this process? (f) Find Q from steady
flow and also from nonflow energy equations. Use Item B 16 (SI).
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