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+//Chemical Engineering Thermodynamics
+//Chapter 1
+//Introduction
+
+//Example 1.4
+clear;
+clc;
+
+//Given
+h = 100;//h is the height of the water fall in m
+n = .855;//n is the efficiency of the turbine
+g = 9.8;//g is the acceleration due to gravity in m/(s^2)
+E = 100*10*3600;//E is the potential enery of water available to the bulb for 10 hours in watt or J/s
+
+//To determine the mass of water required
+m = (E/(g*h*n));//m is the mass of water required for lighting the bulb for 10 hours in Kg
+mprintf('Mass of water required for lighting the bulb for 10 hours in Kg= %f Kg',m);
+mprintf('\n Mass of water required for lighting the bulb for 10 hours in tonnes= %f Kg',m/907.2);
+//end