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clear
//
//
//
//Variable declaration
ws_al=103 //working stress of Al
ws_mg=55 //working stress of Mg
ws_st=138 //working stress of steel
ws_g=35 //working stress of glass
d_al=2770 //density of Al
d_mg=1780 //density of Mg
d_st=7800 //density of steel
d_g=1370 //density of glass
A=10**6 //area
l=1 //length
//Calculation
L_al=ws_al*A //load of Al
L_mg=ws_mg*A //load of Mg
L_st=ws_st*A //load of steel
L_g=ws_g*A //load of glass
W_al=d_al*l //weight of Al
W_mg=d_mg*l //weight of Mg
W_st=d_st*l //weight of steel
W_g=d_g*l //weight of glass
r_al=L_al/W_al //ratio of Al
r_mg=L_mg/W_mg //ratio of Mg
r_st=L_st/W_st //ratio of steel
r_g=L_g/W_g //ratio of glass
//Result
printf("\n ratio of Al is %0.2f *10**3",r_al/10**3)
printf("\n ratio of Mg is %0.2f *10**3",r_mg/10**3)
printf("\n ratio of steel is %0.2f *10**3",r_st/10**3)
printf("\n ratio of glass is %0.2f *10**3",r_g/10**3)
printf("\n Aluminium alloy is the best material")
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