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diff --git a/2159/CH3/EX3.4/34.sce b/2159/CH3/EX3.4/34.sce
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+// problem 3.4
+d1=0.2
+d2=0.1
+d3=0.15
+v1=4
+g=9.81
+vh1=(v1^2)/(2*g)
+a1=3.142*d1*d1/4
+a2=3.142*d2*d2/4
+a3=3.142*d3*d3/4
+v2=(a1*v1)/a2
+vh2=(v2^2)/(2*g)
+v3=(a1*v1)/a3
+vh3=(v3^2)/(2*g)
+q=a1*v1
+mf=q*1000
+disp(vh1,"velocity head at point 1")
+disp(vh2,"velocity head at point 2")
+disp(vh3,"velocity head at point 3")
+disp(mf,"mass flow rate in kg/sec")