A flat plate subjected to a tensile of 5kN as shown in figure. The plate material is grey cast iron with ultimate strength of 200 MPa and the factor of safety of 2.5. Kt at fillet section is 1.8 & Kt at hole section is 2.16 Determine the following. 1. Calculate the maximum permissible tensile stress 80 MPa ▾ 2. Thickness of plate at fillet section 3.75 mm ▾ 3. Thickness of plate at the hole section 9 mm 5R -15 5 kN $45 30 5 kN