GATE Mechanical Engineering (ME) 2015 Shift 1 Solved Paper

A machine element is subjected to the following bi-axial state of stress; σ_x = 80MPa; σ_y = 20 MPa; τ_xy = 40 MPa. If the shear strength of the material is 100 MPa, the factor of safety as per Tresca‟s maximum shear stress theory is