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+
+clc
+clear
+//Input data
+Q=175//Discharge in m^3/s
+h=18//Head in meter
+N=150//Speed in rpm
+oe=82//Overall efficiency in percent
+Ns1=460//Maximum specific speed
+Ns2=350//Maximum specific speed
+d=1000//Density in kg/m^3
+
+//Calculations
+P=(d*Q*9.81*h*(oe/100)*10^-3)//power in kW
+P1=((Ns1*h^(5/4))/N)^2//Power in kW
+n1=P/P1//No.of turbains
+P2=((Ns2*h^(5/4))/N)^2//Power in kW
+n2=ceil(P/P2)//No.of turbains
+
+//Output
+printf('The number of turbines in \n (a) Francis turbine are%3.0f \n (b) Kaplan turbine are %i',n1,n2)