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+//Fluid Systems - By Shiv Kumar
+//Chapter 16- Hydraulic Power and Its Transmissions
+//Example 16.5
+//To Calculate the Increase in Pressure Intensity.
+ clc
+ clear
+
+//Given Data:-
+ d=200; //diameter of Pipe, mm
+ Q=40; //Discharge, Litres/s
+ l=600; //Length of Pipe, m
+ t=1.5; //Time taken to close the Valve gradually, s
+
+//Data Required:-
+ rho=1000; //Density of Water, Kg/m^3
+
+//Computations:-
+ A=(%pi/4)*(d/1000)^2; //m^2
+ V=(Q/1000)/A; //m/s
+ p=rho*l*V/(t*1000); //Pressure Rise, kPa
+
+
+//Results:-
+
+ printf("The Pressure Rise due to Gradual Closure of Valve=%.f kPa\n",p) //The answer vary due to round off error
+