4) Determine fatigue correction factors for the 0.4 inch DIA shaft from H04 using ground normailzed 4140 steel. The shaft is in bending and torsion from loading by the UGV track, was ground, operates in normal environmental temperatures and should have 95% reliability. Cload _________ Csize _________ Csurf _________ Ctemp _________ Creliab _________