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diff --git a/629/CH7/EX7.3/example7_3.sce b/629/CH7/EX7.3/example7_3.sce
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+clear
+clc
+//Example 7.3 POWER NEEDED BY A PUMP
+//Energy equation, V1=V2,(p1/gamma)+hp=(p2/gamma)+ht+hL
+ht=0;
+hL=3; //[m]
+p1=70000; //[N/m^2]
+p2=350000; //[N/m^2]
+z1=30; //[m]
+z2=40; //[m]
+Gamma=9810; //specific weight[N/m^3]
+hp=(p2-p1)/Gamma+(z2-z1)+hL //pump head[m]
+Q=0.5; //rate of flow[m^3/s]
+P=Gamma*Q*hp/10^3 //power[kW]
+//1hp=0.746 kW
+printf("\nPower that must be supplied to the flow by the pump \n in kilowatts = %.f kW \n in horsepower = %.f hp.\n",P,P/0.746)
+\ No newline at end of file