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+//example 10
+//turbine efficiency
+clear
+clc
+hi=3051.2 //initial specific heat of enthalpy in kJ/kg
+si=7.1228 //initial specific entropy in kJ/kg-K
+sf=0.7548 //in kJ/kg-K
+sfg=7.2536 //in kJ/kg-K
+ses=si //final specific entropy is same as the initial
+xes=(si-sf)/sfg //quality of steam when it leaves the turbine
+hf=225.9 //in kJ/kg
+hfg=2373.1 //in kJ/kg
+hes=hf+xes*hfg //final specific heat of enthalpy in kJ/kg
+ws=hi-hes //work output of turbine calculated ideally  in kJ/kg
+wa=600 //actual work output of turbine in kJ/kg
+nturbine=wa/ws //efiiciency of turbine 
+printf("\n hence,efficiency of the turbine is nturbine=%.1f.\n",nturbine*100)
+\ No newline at end of file