Question

1100 184.06 0.001133 0.17745 781.03 1999.6 2780.7 1200 187.96 0.001138 0.16326 798.33 1985.4 27838 1400 195.04 0.001149 0.14078 829.96 19589 2788.9 1500 198.29 0.001154 0.13171 844.55 1946.4 2791.0 1750 205.72 0.001166 0.11344 878.16 1917.1 2795.2 2000 212.38 0.001177 0.099587 908 47 1889.8 2798.3 2250 21841 0.0011870.088717 93621 1864.3 2800.5 2500 223.95 0.001197 0.079952 961 87 1840.1 2801.9 3000 233.85 0.001217 0.066667 1008.3 1794.9 2803.2 3500 242.56 0.001235 0.057061 1049.7 1753.0 2802.7 4000 250.35 0,001252 0.049779 1087.4 1713.5 2800.8 400 0.07343 29208 3214.5 6.7714 0.23455 0.0553 H 2102 53 kg P 1I20O MPa (187196 C1 P 4.0 MPa (250.35 c) Sat, 0.04978 2601.7 2800.8 6.0696 0.16326 2587.8 2783.8 6.5217 275 0.05461 2668.9 288743 6.2312 0.16934 2612.9 2816.1 6.5909 300 0.05887 2726.2 2961.7 6.3639 0.19241 2704.7 2935.6 6.8313 350 0.06647 2827 4 3093.3 6.5843 0.21386 2789.7 3046.3 7.0335 400 0.07343 2920.8 3214.5 6.7714 0.23455 2872.7 3154.2 72139 450 0.08004 3011.0 3331.2 6,9386 0.25482 2955.5 3261.3 7.3793 500 0.0864A 3100.3 3446.0 7/0922 0 029464 31234 34770 7.6779 A 3214.5 kukg B. 3178 king What is the specific enthalpy of steam at the nozzle inlet (h1) in k/kg? 12 Marks) C 3 Whatis he speclfic volume of steam at the nozzle iniet (V)inmk? 12 Marka) С. 3206.7 kMg D. 0.0734ngI What is the specific enthalpy of steam at the nozzle exit (h2) in kJlkg? 12 Marks) whatis the specfic volume of steam at the noze exit (v2 in m3ng? 12 Mark) E0.0553 m3kg F 0,0788 m3ng 2 ? [2 Marks] What is the exit area of nozzle in G. 2936.2 kJkg H 2992.53 kJikg l. 2986.70 kukg 0.19241 m3/kg K 0.16271 m2ng 0.17676 m3/kg M 5,15 cm2 4.89E-4 m2 5.5E4 m2

Answer 1

& = 1.2MPa specific enthalry ' l-hi = 3214, Skd specaifc volume o 0.01343 m By ened ance 2 from table ( P2 = ), 2 MPa , The exit avea , A2- mva exit veloc 2 x o.13 241 A, 0.00 0 S IST S m 二 A, = S.IS cm2

tu P 1.20 MPa (187.96c) P 4.0 MPa (250i35 C) Sat. 0.04978 2601.7 2800.8 6.0696 0.16326 2587.8 2783.8 6.5217 275 0.05461 2668.9 288743 6.2312 E2612 o io1A1 6.5909 300 0.05887 2726.2 2961.7 6.3639 019241 2704.7 2935.6 6.8313 2506647 2827 400 0.07343 2920.8 3214.5 6.7714 0.23455 2872:7 31542 7.2139 450 0.08 0.08644 3100.3 3446.0 7,0922 029464 31234 34770 76779 6.5843 U121386 27893046 7.0335 333126.9386 025482 2955.5 3261 3 7:3793 CWhat is the specfic enthalpy of steam at the nozzle inlet (hy) in kikg? 12 Marks] A. 3214.5 king B. 3178 kkg С. 3205.7 kuka What is the specific volume of stoam at the nozzle inlet (Vq)in m3kg? 12 Marks] What is the specific enthalpy of steam at the nozzle exit (h2) in kJlkg? 12 Marks) 0.07343 m3g E 0.0553 m3kg F0.0788 m2kg What is the specific volume of steam at the nozzie exit (V2) in m/kg? 12 Marks What is the exit area of nozzle in cm2 ? [2 Marks] G. 2936.2 KJkg H. 2992.53 kJ/kg 2986.70 KJkg 019241 mg K 0.16271 m3kg 0.17676 mng 5.15 cm2 489E-4 m2 O. 5.5E4 m2