4.2 – STRESS AND STRAIN IN COMPOSITE STRUCTURAL MEMBERS Using the information below, choose the correct answer to the closest 3 significant figures. Name Email 1. In Figure (a) the maximum axial strain in titanium was found to be 0.0004. The maximum axial strain in aluminum is: 0.00032 0.00050 0.00030 0.00048 None of the above None 2. In Figure (a) the maximum bending normal strain in titanium was found to be 0.0004. The maximum bending normal strain in aluminum is 0.00030 0.00032 0.00050 0.00060 None of the above None 3. In Figure (b) the maximum torsional shear strain in titanium was found to be 0.0004. The maximum torsional shear strain in aluminum is: 0.00060 0.00030 0.00048 0.00050 None of the above None 4. In Figure (a) the maximum axial strain in aluminum was found to be 0.0003. The maximum axial stress in titanium is: 40 MPa (T) 30.0 MPa (T) 37.5 MPa (T) 42.5 MPa (T) None of the above None 5. In Figure (a) the maximum bending normal strain in aluminum was found to be 0.0003. The maximum bending normal stress in titanium is: 37.5 MPa (T) or (C) 30 MPa (T) or (C) 42.5 MPa (T) or (C) 40.0 MPa (T) or (C) None of the above None 6. In Figure (b) the maximum torsional shear strain in aluminum was found to be 0.0003. The maximum torsional shear stress in titanium is 50.0 MPa 40.0 MPa 30.0 MPa 20.0 MPa None of the above None 7. The internal axial force acting on the cross section in Figure (a) is 76 kN (T). The maximum axial stress in aluminum is: 45.0 MPa (T) 50.0 MPa (T) 30.0 MPa (T) 35.0 MPa (T) None of the above None 8. The internal torque acting on the cross section Figure (b) is 3.8 kN-m. The maximum torsional shear stress in aluminum is: 150.1 MPa 200.2 MPa 175.2 MPa 180.0 MPa None of the above None 9. The internal bending moment acting on the cross section in Figure (a) is 2.5 kN-m. The maximum bending normal stress in aluminum is 174.3 MPa (T) or (C) 185.2 MPa (T) or (C) 170.1 MPa (T) or (C) 190.4 MPa (T) or (C) None of the above None 10. The internal bending shear force acting on the cross section in Figure (a) is 50 kN. The maximum bending shear stress in aluminum is: 60.4 MPa 55.6 MPa 40.2 MPa 50.3 MPa None of the above None Do you have any comments or suggestions? Please email them to author@madhuvable.org Time's up