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+clc;clear;
+//Example 2.16
+//answers vary due to round off error
+
+//constants used
+g=9.81;//acceleration due to gravity in m/s^2;
+
+//given values
+h=50;
+m=5000;
+Wout=1862;
+ngen=0.95;//efficiency of turbine
+
+//calculation
+X=g*h/1000;// X stands for the differnce b/w change in mechanical energy per unit mass
+R=m*X;//rate at which mech. energy is supplied to turbine in kW
+nov=Wout/R;//overall efficiency i.e turbine and generator
+disp(nov,'overall efficiency is');
+ntu=nov/ngen;//efficiency of turbine
+disp(ntu,'efficiency of turbine is');
+Wsh=ntu*R;//shaft output work
+disp(Wsh,'shaft power output in kW')