A mild steel rod is required to withstand a maximum tensile load of 250 kN with a factor of safety of 4. What will be a suitable diameter for the rod if the material has a tensile strength of 540 MPa?...

A mild steel rod is required to withstand a maximum tensile load of 250 kN with a factor of safety of 4. What will be a suitable diameter for the rod if the material has a tensile strength of 540 MPa?

Determine the change in stress per degree in a rigidly clamped steel rod when the temperature changes. The steel has a modulus of elasticity of 200 GPa and a coeffcient of expansion of 12×10^–6/K.