d the questions carefully before answering. Box or indicate your final answers when solving and draw your diagrams cleanly. Use the steam tables provided and DO NOT ROUND the values from the steam table. Write down the values taken from the steam table. Steam undergoes an Isentropic process where it is initially at 1.30MPa and200C then it expands to a pressure of 0.75MPa, thus becoming wet steam. What is the dryness of the steam and the change in enthalpy for the process? •100%, -2766.4 kJ/kg •98.75, -68.94 kJ/kg •200%, -2809.7 kJ/kg •96.95%, -105.94 kJ/kg
d the questions carefully before answering. Box or indicate your final answers when solving and draw your diagrams cleanly. Use the steam tables provided and DO NOT ROUND the values from the steam table. Write down the values taken from the steam table. Steam undergoes an Isentropic process where it is initially at 1.30MPa and200C then it expands to a pressure of 0.75MPa, thus becoming wet steam. What is the dryness of the steam and the change in enthalpy for the process? •100%, -2766.4 kJ/kg •98.75, -68.94 kJ/kg •200%, -2809.7 kJ/kg •96.95%, -105.94 kJ/kg
Principles of Heat Transfer (Activate Learning with these NEW titles from Engineering!)
8th Edition
ISBN:9781305387102
Author:Kreith, Frank; Manglik, Raj M.
Publisher:Kreith, Frank; Manglik, Raj M.
Chapter1: Basic Modes Of Heat Transfer
Section: Chapter Questions
Problem 1.23P: Using the information in Problem 1.22, estimate the ambient air temperature that could cause...
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Read the questions carefully before answering. Box or indicate your final answers when solving and draw your diagrams cleanly. Use the steam tables provided and DO NOT ROUND the values from the steam table. Write down the values taken from the steam table.
Steam undergoes an Isentropic process where it is initially at 1.30MPa and200C then it expands to a pressure of 0.75MPa, thus becoming wet steam. What is the dryness of the steam and the change in enthalpy for the process?
•100%, -2766.4 kJ/kg
•98.75, -68.94 kJ/kg
•200%, -2809.7 kJ/kg
•96.95%, -105.94 kJ/kg
Transcribed Image Text:1.30 (191.64)
1.35 (193.38)
P(1 Sat.)
10 v
10 v
151.25 2591.0 2787.6
145.86 2591.9 2788.8 6.4821
6.4953
Sat.
143.08 255S.1 2741.1
145.60 2566.2 2755 S
148.07 2577.0 2769.5
150.48 2587.6 2783.2
132.84 2597.9 2796.6 6.5146
6.3935
6.4254
6.4561
6.4858
137.06 2551.8 2736.8
139.53 2563.1 27513
141.94 2574.1 2765.7
144.30 2584.8 2779 6
6 3683
6.4008
6.4320
6.4622
বি6.6ी 2595.3 27932 649व
175
180
185
190
195
155.16 2608.0 2809.7 6.5425
157.45 2617.9 2822.6 6.5696
159.70 2627.7 2835.3 6.5960
161.92 2637.3 2847.8 6.6217
164.12 2646.7 2860.1 6.6468
148.87 2605.6 2806.5 6.5197
151.10 2615.6 2819.6 6.5472
153.29 2625.5 2832.4 6.5739
155.45 2635.2 2845.1 6.5999
157.59 2644.8 2857.5 6.6253
200
205
210
215
220
166.29 2656.I 2872.3 6.6713
168.43 2665.3 2884.3 6.6953
170.56 2674.4 2896.2 6.7189
172.66 2683.5 2907.9 6.7419
174.75 2692.4 2919.6
159.70 2654.2 2869.8
161.78 2663.S 2881.9
163.84 2672.7 2893.9
165.88 2681.9 2905.8
167.91 2690.9 2917.6 6.7441
6.6501
6.6743
6.6980
6.7213
225
230
235
240
245
6.7645
Entropy
Internal Energy
Sat,
Enthalpy
Nat
Specific Volume
Sa
Vaper
10.
Nat.
Fapor
Set
Vapt
Nat
Liud
Erap
Nat
Press
Te
h,
10v
167.78 1II15
76 16832 L121
77 168.86 L128
16939 1I135
169.91 1142
255.6
252.4
249.3
246.3
2433 717.9S 1858.5 2576.4
708.64 1866.1 2574.7 709 47 2057.0 2766 4 2.0200 4.6647 6,6847
711.00 1864 2 2575.2 71185 2055.2 2767.0 2.0253 4.6549 6.6802
713.34 1862.2 2575 6 714.20 2053 4 27673 2.0306 4.6451 6.6758
715.66 1860.3 2576.0 716.52 2051.6 2768.1 20359 4.6355 6.6714
718.83 2049.8 2768.6 2.0411 4.6260 6.6670
78
.79
721 11 2048.0 27691 2.0462 4.6166 6.6628
2.0513 4.6073 6.6585
725.62 2044 5 2770.2 20563 4.5981 6.6544
727.83 2042.8 2770.7 2.0612 4.5890 6.6502
730.04 2041.I 27712 2.0662 4.5800 6.6462
720.22 1856.6 2576.8
170.43 1.1148
170.95 1U55
171.46 1116I
83 17197 L168
34 172.47 L.I174
240 4
237.6 722.47 1854.7 2577.2 723.38 2046,3 2769.7
234.9
232.2
229.5
80
724.70 1852.9 2577.6
726.91 1851. 2578.0
729.10 1849 2 2578 3
82
86
37
38
89
172.96 1.1181
173 46 1.II87
173.94 1.I193
174.43
174.90
227.0
224.5
222.0
219.6
217.3
731.27 1847.4 2578.7
733.42 1845.7 2579.1
735.55 1843.9 2579.4
737.66 1842.1 2529.8
739.75 1840.4 2580.1
732.22 2039.4 2771.6
734.38 2037.7 2772.1
736.52 2036.I 2772.6
738.64 2034.4 2773.0
740.75 2032.8 2773.5
2.0710 4.5711 6.6421
2.0758 4.5623 6.6381
2.0806 4.5536 6.6342
2.0853 45450 6.6303
2.0900 4.5364 6,6264
1,1 200
1.1206
Transcribed Image Text:ISOMETRIC
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ISORERMAL
ISENTROPIC
POLYTEOPIC
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