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+clear ;
+clc;
+// Example 29.3
+printf('Example 29.3\n\n');
+//page no. 898
+// Solution fig. E29.3b
+
+// Given 
+DBT1 = 40 ;// Initial dry bulb temperature - [degree C]
+DBT2 = 27 ;// Final dry bulb temperature - [degree C]
+
+// Process is assumed to be adiabatic, therefore  wet bulb temperature is constant
+WBT1 = 22 ;// Initial wet bulb temperature - [degree C]
+WBT2 = WBT1 ;// Final wet bulb temperature - [degree C]
+
+//A is initial and B is final  point , see fig. E29.3b . Humidity is obtained from humidity chart, according to book the respective humidities are as follows
+H_B = 0.0145 ;// Humidity at point B -[kg H2O/kg dry air]
+H_A = 0.0093 ;// Humidity at point A -[kg H2O/kg dry air]
+Diff = H_B - H_A ;// Moisture added in kg per kilogram of dry air going through humidifier -[kg H2O/kg dry air] 
+
+printf('Moisture added per kilogram of dry air going through humidifier is %.4f kg H2O.\n',Diff);
+\ No newline at end of file