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clear
//
//Given
//Variable declaration
P=75e3 //Power transmitted in W
N=200 //R.P.M of the shaft
tau=70 //Shear stress in N/sq.mm
//Calculation
T=P*60/(%pi*2*N)*1e3 //Mean Torque transmitted in Nmm
Tmax=1.3*T //Maximum Torque transmitted in Nmm
D=((16*Tmax/(%pi*tau))**(1/3)) //Suitable diameter of the shaft in mm
//Result
printf("\n Diameter of the shaft = %d mm",D)
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