A simply supported beam 4 meters long has a cross-section below. Determine the maximum uniformly distributed load which can be applied over the entire length of the beam if the bending stress is limited to 8 MPa. Express answer in kN/m. o(kN/m) N.A L= 4m 100 mm 150 mm 150 mm 200 mm

The pin-jointed frame in the figure below has members of cross-sectional area A=1200mm² and young modulus of elasticity of 200.5 GPa. If a vertical concentrated load of 1200KN (downward) and horizontal force of 800KN (to the right) are applied at Point D. Determine: a. The vertical displacement at D in mm. b. The horizontal displacement at D in mm. c. The stress of AD due to actual loads in kN. d. The stress of AB due to horizontal unit load. e. The stress of BD due to vertical unit load. 4m B 3m C 3m F E

A thin beam with a solid rectangular cross-section is loaded as shown in Figure Q7 below. W W L/3 L/3 L/3 Figure Q7 What is the ratio of the maximum to nominal shear stress for the beam described in Question 7? O a. 3:2 O b. 1:4 Ос. 3:1 O d.2:1 O e. 1:2 O f. None of the provided answers are correct. O 8. 1:1

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