The A992 steel beam and rod are used to support the load of 8 kip. If it is required that...

The A992 steel beam and rod are used to support the load of 8 kip. If it is required that the allowable normal stress for the steel is σallow = 18 ksi, and the maximum deflection not exceed 0.05 in.. determine the smallest diameter rod that should be used. The beam is rectangular, having a height of 5 in. and a thickness of 3 in.