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diff --git a/3774/CH7/EX7.3/Ex7_3.sce b/3774/CH7/EX7.3/Ex7_3.sce
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+// exa 7.3 Pg 204
+clc;clear;close;
+
+// Given Data
+n=8;// no. of spline
+d=52;// mm
+D=60;// mm
+pm=6;// MPa
+mu=0.06;// coefficient of friction
+N=320;// rpm
+P=20;// kW
+
+T=60*10**3*P/2/%pi/N;// N.m
+l=8*T*10**3/pm/n/(D**2-d**2);// mm
+printf('length of hub = %.f mm',l)
+Rm=(D+d)/4;// mm
+F=T*10**3/Rm;// N
+Ff=mu*F;//N (Force of friction)
+printf('\n Force required to shift the connection = %.1f N',Ff)