A rod consisting of two cylindrical portions ab and bc is restrained at both ends. portion ab is made of steel (es 5 29 3 106 psi, as 5 6.5 3 1026 /8f) and portion bc is made of aluminum (ea 5 10.4 3

A rod consisting of two cylindrical portions ab and bc is restrained at both ends. portion ab is made of steel (es 5 29 3 106 psi, as 5 6.5 3 1026 /8f) and portion bc is made of aluminum (ea 5 10.4 3 106 psi, aa 5 13.3 3 1026 /8f). knowing that the rod is initially unstressed, determine (a) the normal stresses induced in portions ab and bc by a temperature rise of 708f, (b) the corresponding deflection of point

b.