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+clear;
+clc;
+disp('Example 4.5');
+
+// aim : To determine 
+//  the specific enthalpy 
+
+//  Given values
+P = 70; //  pressure, [kn/m^2]
+x = .85; //  Dryness fraction
+
+// solution
+
+//  from steam table, at given pressure 
+hf = 376.8;//  [kJ/kg]
+hfg = 2283.3;//  [kJ/kg]
+
+// now using equation [2]
+h = hf+x*hfg;//  specific enthalpy of wet steam,[kJ/kg]
+
+mprintf('\n The specific enthalpy of wet steam is  =  %f kJ/kg \n',h);
+
+// There is minor variation in the book's answer
+
+//  End