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clear
//Given
//Variable declaration
L=2*10**2 //Length of rod in cm
T1=10 //Initial temperature in degree celsius
T2=80 //Final temperature in degree celsius
E=1e5*10**6 //Youngs Modulus in N/sq.m
alpha=0.000012 //Co-efficient of linear expansion
//Calculation
T=T2-T1 //Rise in temperature in degree celsius
dL=alpha*T*L //Expansion of the rod in cm
sigma=int((alpha*T*E)*1e-6) //Thermal stress in N/sq.mm
//Result
printf("\n Expansion of the rod = %0.3f cm",dL)
printf("\n Thermal stress = %0.3f N/mm^2",sigma)
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