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+// Example 3_1
+clc;funcprot(0);
+// Given data
+m=1;// The mass of steam in kg
+x=20/100;// The quality of steam
+P=200;// kPa
+T_2=400;// °C
+
+// Calculation
+// Using Table C-2 we find
+v_f=0.001061;// m^3/kg
+v_g=0.8857;// m^3/kg
+v_1=v_f+(x*(v_g-v_f));// m^3/kg
+v_2=1.549;// m^3/kg
+W=m*P*(v_2-v_1);// kJ
+printf("\nThe work done by the steam,W=%3.1f kJ",W);