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diff --git a/2969/CH4/EX4.15/Ex4_15.sce b/2969/CH4/EX4.15/Ex4_15.sce
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+clc
+clear
+//DATA GIVEN
+p=120;                         //pressure of steam
+v=0.01721;                     //specific volume of steam
+
+//At 120 bar, from steam tables
+vg=0.0143;                     //m^3/kg
+//since vg<v, the steam is superheated
+//so from superheat tables at 120 bar and v=0.01721 m^3/kg
+T=350;                         //deg. celsius
+h=2847.7;                      //specific enthalpy of steam
+u=h-p*10^5*v/10^3;             //specific internal energy of steam
+
+printf(' (i) The Temperature is: %3.0f deg celsius. \n',T);
+printf(' (ii) The Specific enthalpy h is: %4.1f kJ/kg. \n',h);
+printf('(iii) The Specific internal energy u is: %4.2f kJ/kg. \n',u);