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+
+
+clc
+//initialisation of variables
+n=400//rpm
+h1=20//ft
+h2=60//ft
+r=4
+//CALCULATIONS
+n1=n*(sqrt(h2/h1))/r
+p=((h2/h1)^2.5)*h1*n*n/(n1*n1)
+ratio=r*r*sqrt(h2/h1)
+//RESULTS
+printf ('Horse power delivered = %.f r.p.m',n1)
+printf ('\n ratio of quantities discharged = %.1f ',ratio)