Theory of Structures parabolic arch of span and rise , is given by The equation of a y = 2h/l² × (1 – x) y = 3h/l² × (1 – x) y = 4h/l² × (1 – x) y = h/l² × (1 – x ) y = 2h/l² × (1 – x) y = 3h/l² × (1 – x) y = 4h/l² × (1 – x) y = h/l² × (1 – x ) ANSWER DOWNLOAD EXAMIANS APP
Theory of Structures A simply supported uniform rectangular bar breadth b, depth d and length L carries an isolated load W at its mid-span. The same bar experiences an extension e under same tensile load. The ratio of the maximum deflection to the elongation, is (L/2d)² L/2d L/d (L/3d)² (L/2d)² L/2d L/d (L/3d)² 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: 4.125 cm² 1.125 cm³ 2.125 cm³ 3.125 cm³ 4.125 cm² 1.125 cm³ 2.125 cm³ 3.125 cm³ ANSWER DOWNLOAD EXAMIANS APP
Theory of Structures The ratio of maximum and average shear stresses on a rectangular section, is 1 2.5 1.5 1.25 1 2.5 1.5 1.25 ANSWER DOWNLOAD EXAMIANS APP
Theory of Structures In case of a simply supported I-section beam of span L and loaded with a central load W, the length of elasto-plastic zone of the plastic hinge, is L/3 L/2 L/5 L/4 L/3 L/2 L/5 L/4 ANSWER DOWNLOAD EXAMIANS APP
Theory of Structures In a shaft, the shear stress is not directly proportional to Modulus of rigidity Radius of the shaft Length of the shaft Angle of twist Modulus of rigidity Radius of the shaft Length of the shaft Angle of twist ANSWER DOWNLOAD EXAMIANS APP