This question requires the use of the extracts from the tables of thermodynamic properties supplied. Dry saturated steam at a temperature of 50°C is cooled isentropically such that its temperature falls to 40°C. What is the dryness fraction after the cooling process?
This question requires the use of the extracts from the tables of thermodynamic properties supplied. Dry saturated steam at a temperature of 50°C is cooled isentropically such that its temperature falls to 40°C. What is the dryness fraction after the cooling process?
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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Transcribed Image Text:This question requires the use of the extracts from the tables of thermodynamic properties supplied.
Dry saturated steam at a temperature of 50°C is cooled isentropically such that its temperature falls to 40°C.
What is the dryness fraction after the cooling process?
O a. 0.91
O b. 0.95
O
C. 0.98
d. 0.87
e. 0.76
![Saturated Water and Steam
HE
T
0.01
1
4
56789 CHAMA SONO IN KANNA ONE 1858
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
32
34
36
38
40
42
44
46
48
50
55
60
65
70
75
80
90
Ps
[bar]
[m³/kg]
0.006112
206.1
0.006566 192.6
0.007054 179.9
0.007575
168.2
0.008129 157.3
0.008719 147.1
0.009346 137.8
129.1
0.01001
0.01072
0.01147
0.01227
0.01312
0.01401
0.01497
0.01597
0.01704
0.01817
0.01936
0.02063
0.02196
0.02337
0.02486
0.02642
0.02808
0.02982
0.03166
0.03360
0.03564
0.03778
0.04004
0.04242
0.04754
0.05318
0.05940
0.06624
0.07375
0.08198
0.09100
0.1009
0.1116
0.1233
0.1574
0.1992
0.2501
0.3116
0.3855
0.4736
0.5780
0.7011
121.0
113.4
106.4
99.90
93.83
88.17
82.89
77.97
73.38
69.09
65.08
61.34
57.84
54.56
51.49
48.62
45.92
43.40
41.03
38.81
36.73
34.77
32.93
29.57
26.60
23.97
21.63
19.55
17.69
16.03
14.56
13.23
12.04
9.578
7.678
6.201
5.045
4.133
3.408
2.828
2.361
h₁
0*
4.2
8.4
12.6
16.8
[kJ/kg]
2500.8
2500.8
2498.3 2502.5
2495.9
2504.3
2493.6
2506.2
2491.3 2508.1
h₂
21.0
25.2
29.4 2484.3
2509.9
2488.9
2486.6 2511.8
2513.7
2515.5
2517.4
33.6 2481.9
37.8 2479.6
2519.2
42.0 2477.2
46.2 2474.9
2521.1
50.4 2472.5 2522.9
54.6 2470.2 2524.8
58.8
2467.8
2526.6
62.9
2528.4
2465.5
67.1 2463.1 2530.2
2532.1
71.3 2460.8
75.5 2458.4
2533.9
79.7 2456.0
2535.7
83.9
2453.7 2537.6
88.0
2451.4 2539.4
92.2 2449.0 2541.2
96.4
2446.6 2543.0
100.6
2444.2 2544.8
104.8
2441.8
108.9 2439.5
2546.6
2548.4
113.1 2437.2 2550.3
117.3 2434.8 2552.1
121.5 2432.4 2553.9
125.7
2430.0 2555.7
134.0
2425.3 2559.3
142.4
2420.5 2562.9
150.7 2415.8 2566.5
159.1
2411.0 2570.1
167.5 2406.2 2573.7
175.8
2401.4
2577.2
184.2 2396.6 2580.8
192.5 2391.8 2584.3
200.9
2387.0
2587.9
209.3
2382.1 2591.4
230.2 2370.1 2600.3
251.1 2357.9 2609.0
272.0
2345.7 2617.7
293.0
2333.3
2626.3
313.9 2320.8
2634.7
2643.2
334.9 2308.3
355.9 2295.6 2651.5
376.9 2282.8
2659.7
Sq
0+
0.015
0.031
0.046
9.155
9.113
9.071
9.030
0.061 8.989
0.076
0.091
0.106
0.121
0.136
SER
[kJ/kg K]
8.948
8.908
8.868
8.828
8.788
0.151
8.749
0.166 8.710
0.180 8.671
0.195 8.633
0.210
8.594
0.224 8.556
0.239 8.518
0.253 8.481
0.268 8.444
0.282
8.407
0.296 8.370
8.334
0.339
0.353
0.310
0.325 8.297
8.261
8.226
0.367
8.190
0.381
8.155
0.395 8.120
0.409
8.085
0.423 8.050
0.436 8.016
0.464
7.948
0.491
7.881
7.814
0.518
0.545 7.749
0.572 7.684
0.599 7.620
7.557
0.625
0.651 7.494
0.678 7.433
7.371
0.704
0.768 7.223
0.831 7.078
0.893 6.937
0.955 6.800
1.015
6.666
1.075 6.536
1.134
6.410
1.192 6.286
SE
9.155
9.128
9.102
9.076
9.050
9.024
8.999
8.974
8.949
8.924
8.900
8.876
8.851
8.828
8.804
8.780
8.757
8.734
8.712
8.689
8.666
8.644
8.622
8.600
8.579
8.557
8.536
8.515
8.494
8.473
8.452
8.412
8.372
8.332
8.294
8.256
8.219
8.182
8.145
8.111
8.075
7.991
7.909
7.830
7.755
7.681
7.611
7.544
7.478](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F1822b493-2c18-4a65-99e5-18fca75fe15d%2F9d021d95-c453-442c-a624-0b27756e15d6%2Fvwkrmku_processed.png&w=3840&q=75)
Transcribed Image Text:Saturated Water and Steam
HE
T
0.01
1
4
56789 CHAMA SONO IN KANNA ONE 1858
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
32
34
36
38
40
42
44
46
48
50
55
60
65
70
75
80
90
Ps
[bar]
[m³/kg]
0.006112
206.1
0.006566 192.6
0.007054 179.9
0.007575
168.2
0.008129 157.3
0.008719 147.1
0.009346 137.8
129.1
0.01001
0.01072
0.01147
0.01227
0.01312
0.01401
0.01497
0.01597
0.01704
0.01817
0.01936
0.02063
0.02196
0.02337
0.02486
0.02642
0.02808
0.02982
0.03166
0.03360
0.03564
0.03778
0.04004
0.04242
0.04754
0.05318
0.05940
0.06624
0.07375
0.08198
0.09100
0.1009
0.1116
0.1233
0.1574
0.1992
0.2501
0.3116
0.3855
0.4736
0.5780
0.7011
121.0
113.4
106.4
99.90
93.83
88.17
82.89
77.97
73.38
69.09
65.08
61.34
57.84
54.56
51.49
48.62
45.92
43.40
41.03
38.81
36.73
34.77
32.93
29.57
26.60
23.97
21.63
19.55
17.69
16.03
14.56
13.23
12.04
9.578
7.678
6.201
5.045
4.133
3.408
2.828
2.361
h₁
0*
4.2
8.4
12.6
16.8
[kJ/kg]
2500.8
2500.8
2498.3 2502.5
2495.9
2504.3
2493.6
2506.2
2491.3 2508.1
h₂
21.0
25.2
29.4 2484.3
2509.9
2488.9
2486.6 2511.8
2513.7
2515.5
2517.4
33.6 2481.9
37.8 2479.6
2519.2
42.0 2477.2
46.2 2474.9
2521.1
50.4 2472.5 2522.9
54.6 2470.2 2524.8
58.8
2467.8
2526.6
62.9
2528.4
2465.5
67.1 2463.1 2530.2
2532.1
71.3 2460.8
75.5 2458.4
2533.9
79.7 2456.0
2535.7
83.9
2453.7 2537.6
88.0
2451.4 2539.4
92.2 2449.0 2541.2
96.4
2446.6 2543.0
100.6
2444.2 2544.8
104.8
2441.8
108.9 2439.5
2546.6
2548.4
113.1 2437.2 2550.3
117.3 2434.8 2552.1
121.5 2432.4 2553.9
125.7
2430.0 2555.7
134.0
2425.3 2559.3
142.4
2420.5 2562.9
150.7 2415.8 2566.5
159.1
2411.0 2570.1
167.5 2406.2 2573.7
175.8
2401.4
2577.2
184.2 2396.6 2580.8
192.5 2391.8 2584.3
200.9
2387.0
2587.9
209.3
2382.1 2591.4
230.2 2370.1 2600.3
251.1 2357.9 2609.0
272.0
2345.7 2617.7
293.0
2333.3
2626.3
313.9 2320.8
2634.7
2643.2
334.9 2308.3
355.9 2295.6 2651.5
376.9 2282.8
2659.7
Sq
0+
0.015
0.031
0.046
9.155
9.113
9.071
9.030
0.061 8.989
0.076
0.091
0.106
0.121
0.136
SER
[kJ/kg K]
8.948
8.908
8.868
8.828
8.788
0.151
8.749
0.166 8.710
0.180 8.671
0.195 8.633
0.210
8.594
0.224 8.556
0.239 8.518
0.253 8.481
0.268 8.444
0.282
8.407
0.296 8.370
8.334
0.339
0.353
0.310
0.325 8.297
8.261
8.226
0.367
8.190
0.381
8.155
0.395 8.120
0.409
8.085
0.423 8.050
0.436 8.016
0.464
7.948
0.491
7.881
7.814
0.518
0.545 7.749
0.572 7.684
0.599 7.620
7.557
0.625
0.651 7.494
0.678 7.433
7.371
0.704
0.768 7.223
0.831 7.078
0.893 6.937
0.955 6.800
1.015
6.666
1.075 6.536
1.134
6.410
1.192 6.286
SE
9.155
9.128
9.102
9.076
9.050
9.024
8.999
8.974
8.949
8.924
8.900
8.876
8.851
8.828
8.804
8.780
8.757
8.734
8.712
8.689
8.666
8.644
8.622
8.600
8.579
8.557
8.536
8.515
8.494
8.473
8.452
8.412
8.372
8.332
8.294
8.256
8.219
8.182
8.145
8.111
8.075
7.991
7.909
7.830
7.755
7.681
7.611
7.544
7.478
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