2.8  A
cast-iron tube is used to support a compressive load. Knowing that E = 10 x 106 psi and the
maximum allowable change in the length is 0,025 %, determine (a) the maximum
normal stress in the tube, (b) the minimum wall thickness for a load of 1600 lb
if the outside diemeter of the tube is 2,0 in.
Guru Solution (a)
Guru Solution (b) 




 
 
 
 
 
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