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2) A closed, rigid container of water at 75 kPa. The pressure increases to 1.10 MPa due to heating in which the mass of the saturated liquid and vapor are found to be 0.85 kg and 0.73 kg, respectively. Find: i) The initial specific volume. ii) The final enthalpy. ii1) The initial entropy. iv) The initial enthalpy.

2) A closed, rigid container of water at 75 kPa. The pressure increases to 1.10 MPa due to heating in which the mass of the saturated liquid and vapor are found to be 0.85 kg and 0.73 kg, respectively. Find: i) The initial specific volume. ii) The final enthalpy. ii1) The initial entropy. iv) The initial enthalpy.

Elements Of Electromagnetics
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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2) A closed, rigid container of water at 75 kPa. The pressure increases to 1.10 MPa due to heating in which the mass of the saturated liquid and vapor are found to be 0.85 kg and 0.73 kg, respectively. Find: i) The initial specific volume. ii) The final enthalpy. iii) The initial entropy. iv) The initial enthalpy.
Transcribed Image Text:2) A closed, rigid container of water at 75 kPa. The pressure increases to 1.10 MPa due to heating in which the mass of the saturated liquid and vapor are found to be 0.85 kg and 0.73 kg, respectively. Find: i) The initial specific volume. ii) The final enthalpy. iii) The initial entropy. iv) The initial enthalpy.
Specific volume, m2Akg Internal energy, Enthalpy, kJ/kg Entropy, kJ/kg K kJ/kg Sat. Press., temp., liquid, Tat °C Sat. Sat. Sat. Sat. Sat. Sat. Sat. Sat. P kPa vapor, liquid, Evap., vapor, liquid, Evap., liquid, Evap., vapor, vapor, S 1.0 1.5 6.97 0.001000 129.19 13.02 0.001001 87.964 17.50 0.001001 66.990 21.08 0.001002 54.242 24.08 0.001003 45.654 29.302 2355.2 29.303 2484.4 2513.7 0.1059 8.8690 8.9749 54.688 2470.1 2524.7 0.1956 8.6314 8.8270 73.433 2459.5 2532.9 0.2606 8.4621 8.7227 88.424 2451.0 2539.4 0.3118 8.3302 8.6421 2443.9 2544.8 0.3543 8.2222 8.5765 2384.5 2392.8 54.686 2338.1 2.0 2.5 3.0 73.431 2325.5 88.422 2315.4 100.98 2398.9 2403.8 2407.9 2306.9 100.98 4.0 28.96 0.001004 34.791 32.87 121.39 2293.1 2414.5 2419.8 2432.3 2553.7 0.4224 8.0510 8.4734 2423.0 2560.7 0.4762 7.9176 8.3938 2405.3 2574.0 0.5763 7.6738 8.2501 2392.1 2583.9 0.6492 7.4996 8.1488 2372.3 2598.3 0.75497.2522 8.0071 121.39 137.75 5.0 0.001005 40.29 0.001008 19.233 28.185 137.75 2282.1 7.5 10 168.74 191.79 225.93 2261.1 2429.8 2437.2 2448.0 168.75 191.81 225.94 45.81 0.001010 53.97 0.001014 14.670 2245.4 2222.1 15 10.020 20 60.06 0.001017 7.6481 251.40 2204.6 2190.4 2456.0 251.42 2462.4 2357.5 2608.9 0.8320 7.0752 7.9073 2345.5 2617.5 0.8932 6.9370 7.8302 2335.3 2624.6 0.9441 6.8234 2318.4 2636.1 1.0261 6.6430 7.6691 2304.7 2645.2 1.0912 6.5019 7.5931 25 64.96 0.001020 6.2034 271.93 271.96 30 69.09 75.86 0.001022 0.001026 5.2287 3.9933 289.24 2178.5 2467.7 289.27 2476.3 2483.2 340.54 .76 40 317.58 340.49 2158.8 317.62 50 81.32 0.001030 3.2403 2142.7 75 100 91.76 0.001037 2.2172 1.6941 2278.0 2662.4 1.2132 6.2426 7.4558 2257.5 2675.0 1.3028 6.0562 7.3589 2256.5 2675.6 1.3069 6.0476 7.3545 2240.6 2684.9 1.3741 5.9100 7.2841 2226.0 2693.1 1.4337 5.7894 7.2231 384.36 2111.8 2496.1 2505.6 384.44 99.61 0.001043 417.40 2088.2 417.51 101.325 99.97 125 150 0.001043 1.6734 418.95 2087.0 2506.0 105.97 111.35 419.06 444.36 467.13 0.001048 1.3750 444.23 466.97 2068.8 2052.3 2513.0 2519.2 0.001053 1.1594 2213.1 2700.2 1.4850 5.6865 7.1716 2201.6 2706.3 1.5302 5.5968 7.1270 2191.0 2711.7 1.5706 5.5171 7.0877 2181.2 2716.5 1.6072 5.4453 7.0525 2172.0 2720.9 1.6408 5.3800 7.0207 2037.7 2024.6 487.01 504.71 175 116.04 0.001057 1.0037 486.82 2524.5 120.21 0.001061 123.97 0.001064 127.41 0.001067 130.58 0.001070 200 0.88578 504.50 2529.1 0.79329 520.47 0.71873 535.08 0.65732 548.57 2012.7 2001.8 2533.2 520.71 535.35 225 250 2536.8 275 1991.6 2540.1 548.86 133.52 0.001073 0.001076 138.86 0.001079 0.001081 0.001084 2163.5 2724.9 1.6717 5.3200 6.9917 2155.4 2728.6 1.7005 5.2645 6.9650 2147.7 2732.0 1.7274 5.2128 6.9402 2140.4 2735.1 1.7526 5.1645 6.9171 2133.4 2738.1 1.7765 5.1191 6.8955 300 0.60582 561.11 1982.1 2543.2 561.43 325 136.27 0.56199 572.84 1973.1 2545.9 573.19 2548.5 2550.9 2553.1 604.66 584.26 594.73 350 0.52422 583.89 1964.6 0.49133 594.32 0.46242 604.22 1956.6 1948.9 375 141.30 400 143.61 O505 O 0O5
Transcribed Image Text:Specific volume, m2Akg Internal energy, Enthalpy, kJ/kg Entropy, kJ/kg K kJ/kg Sat. Press., temp., liquid, Tat °C Sat. Sat. Sat. Sat. Sat. Sat. Sat. Sat. P kPa vapor, liquid, Evap., vapor, liquid, Evap., liquid, Evap., vapor, vapor, S 1.0 1.5 6.97 0.001000 129.19 13.02 0.001001 87.964 17.50 0.001001 66.990 21.08 0.001002 54.242 24.08 0.001003 45.654 29.302 2355.2 29.303 2484.4 2513.7 0.1059 8.8690 8.9749 54.688 2470.1 2524.7 0.1956 8.6314 8.8270 73.433 2459.5 2532.9 0.2606 8.4621 8.7227 88.424 2451.0 2539.4 0.3118 8.3302 8.6421 2443.9 2544.8 0.3543 8.2222 8.5765 2384.5 2392.8 54.686 2338.1 2.0 2.5 3.0 73.431 2325.5 88.422 2315.4 100.98 2398.9 2403.8 2407.9 2306.9 100.98 4.0 28.96 0.001004 34.791 32.87 121.39 2293.1 2414.5 2419.8 2432.3 2553.7 0.4224 8.0510 8.4734 2423.0 2560.7 0.4762 7.9176 8.3938 2405.3 2574.0 0.5763 7.6738 8.2501 2392.1 2583.9 0.6492 7.4996 8.1488 2372.3 2598.3 0.75497.2522 8.0071 121.39 137.75 5.0 0.001005 40.29 0.001008 19.233 28.185 137.75 2282.1 7.5 10 168.74 191.79 225.93 2261.1 2429.8 2437.2 2448.0 168.75 191.81 225.94 45.81 0.001010 53.97 0.001014 14.670 2245.4 2222.1 15 10.020 20 60.06 0.001017 7.6481 251.40 2204.6 2190.4 2456.0 251.42 2462.4 2357.5 2608.9 0.8320 7.0752 7.9073 2345.5 2617.5 0.8932 6.9370 7.8302 2335.3 2624.6 0.9441 6.8234 2318.4 2636.1 1.0261 6.6430 7.6691 2304.7 2645.2 1.0912 6.5019 7.5931 25 64.96 0.001020 6.2034 271.93 271.96 30 69.09 75.86 0.001022 0.001026 5.2287 3.9933 289.24 2178.5 2467.7 289.27 2476.3 2483.2 340.54 .76 40 317.58 340.49 2158.8 317.62 50 81.32 0.001030 3.2403 2142.7 75 100 91.76 0.001037 2.2172 1.6941 2278.0 2662.4 1.2132 6.2426 7.4558 2257.5 2675.0 1.3028 6.0562 7.3589 2256.5 2675.6 1.3069 6.0476 7.3545 2240.6 2684.9 1.3741 5.9100 7.2841 2226.0 2693.1 1.4337 5.7894 7.2231 384.36 2111.8 2496.1 2505.6 384.44 99.61 0.001043 417.40 2088.2 417.51 101.325 99.97 125 150 0.001043 1.6734 418.95 2087.0 2506.0 105.97 111.35 419.06 444.36 467.13 0.001048 1.3750 444.23 466.97 2068.8 2052.3 2513.0 2519.2 0.001053 1.1594 2213.1 2700.2 1.4850 5.6865 7.1716 2201.6 2706.3 1.5302 5.5968 7.1270 2191.0 2711.7 1.5706 5.5171 7.0877 2181.2 2716.5 1.6072 5.4453 7.0525 2172.0 2720.9 1.6408 5.3800 7.0207 2037.7 2024.6 487.01 504.71 175 116.04 0.001057 1.0037 486.82 2524.5 120.21 0.001061 123.97 0.001064 127.41 0.001067 130.58 0.001070 200 0.88578 504.50 2529.1 0.79329 520.47 0.71873 535.08 0.65732 548.57 2012.7 2001.8 2533.2 520.71 535.35 225 250 2536.8 275 1991.6 2540.1 548.86 133.52 0.001073 0.001076 138.86 0.001079 0.001081 0.001084 2163.5 2724.9 1.6717 5.3200 6.9917 2155.4 2728.6 1.7005 5.2645 6.9650 2147.7 2732.0 1.7274 5.2128 6.9402 2140.4 2735.1 1.7526 5.1645 6.9171 2133.4 2738.1 1.7765 5.1191 6.8955 300 0.60582 561.11 1982.1 2543.2 561.43 325 136.27 0.56199 572.84 1973.1 2545.9 573.19 2548.5 2550.9 2553.1 604.66 584.26 594.73 350 0.52422 583.89 1964.6 0.49133 594.32 0.46242 604.22 1956.6 1948.9 375 141.30 400 143.61 O505 O 0O5
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