Theory of Structures At any point of a beam, the section modulus may be obtained by dividing the moment of inertia of the section by Maximum compressive stress at the section Depth of the neutral axis Maximum tensile stress at the section Depth of the section Maximum compressive stress at the section Depth of the neutral axis Maximum tensile stress at the section Depth of the section ANSWER DOWNLOAD EXAMIANS APP
Theory of Structures A steel bar 5 m × 50 mm is loaded with 250,000 N. If the modulus of elasticity of the material is 0.2 MN/mm² and Poisson’s ratio is 0.25, the change in the volume of the bar is: 2.125 cm³ 3.125 cm³ 4.125 cm² 1.125 cm³ 2.125 cm³ 3.125 cm³ 4.125 cm² 1.125 cm³ ANSWER DOWNLOAD EXAMIANS APP
Theory of Structures The horizontal deflection of a parabolic curved beam of span 10 m and rise 3 m when loaded with a uniformly distributed load l t per horizontal length is (where Ic is the M.I. at the crown, which varies as the slope of the arch). 150/EIc 50/EIc 200/EIc 100/EIc 150/EIc 50/EIc 200/EIc 100/EIc ANSWER DOWNLOAD EXAMIANS APP
Theory of Structures A simply supported beam A carries a point load at its mid span. Another identical beam B carries the same load but uniformly distributed over the entire span. The ratio of the maximum deflections of the beams A and B, will be 5/8 3/2 8/5 2/3 5/8 3/2 8/5 2/3 ANSWER DOWNLOAD EXAMIANS APP
Theory of Structures A steel rod 1 metre long having square cross section is pulled under a tensile load of 8 tonnes. The extension in the rod was 1 mm only. If Esteel = 2 × 106 kg/cm², the side of the rod, is 1 cm 1.5 cm 2 cm 2.5 cm 1 cm 1.5 cm 2 cm 2.5 cm ANSWER DOWNLOAD EXAMIANS APP
Theory of Structures The strain energy due to volumetric strain Is directly proportional to the square of exerted pressure Is inversely proportional to Bulk modulus Is directly proportional to the volume All of these Is directly proportional to the square of exerted pressure Is inversely proportional to Bulk modulus Is directly proportional to the volume All of these ANSWER DOWNLOAD EXAMIANS APP
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