A cantilever beam is propped at the free end and carrying a uniform load of 400 kN/m throughout the span of 6 m. Assume El = 1 x 10⁶kN.m². 1. Which of the following most nearly gives the reaction at propped end?  a. 800 kN b. 900 kN c. 100 kN d. 980 kN 2. Which of the following most nearly gives the nearest deflection at the free end if the propped support is removed?  a. 64.8 mm b. 72.5 mm c. 55.8 mm c. 65.4 mm 3. Using superposition method, which of the following most nearly gives the deflection at the free end if 1 unit load (1kN) upward force is applied at that end when the support is removed? a. 63.142 mm b. 62.147 mm c. 64.728 mm d. 65.842 mm

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Beams

In structural engineering, a beam is a component made of a variety of materials (including steel alloys, and wood) that can resist loads applied laterally to the beam axis. Members, elements, rafters, shafts, and purlins are all terms used to describe beams.