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 3.125 cm³ 2.125 cm³ 1.125 cm³ 4.125 cm² 3.125 cm³ 2.125 cm³ 1.125 cm³ ANSWER DOWNLOAD EXAMIANS APP
Theory of Structures If a three hinged parabolic arch, (span l, rise h) is carrying a uniformly distributed load w/unit length over the entire span, S.F. will be zero throughout B.M. will be zero throughout Horizontal thrust is wl2/8h All of these S.F. will be zero throughout B.M. will be zero throughout Horizontal thrust is wl2/8h All of these ANSWER DOWNLOAD EXAMIANS APP
Theory of Structures The vertical reaction for the arch is wa/2l wa²/2l wa/l wl/a wa/2l wa²/2l wa/l wl/a ANSWER DOWNLOAD EXAMIANS APP
Theory of Structures A short column (30 cm × 20 cm) carries a load P 1 at 4 cm on one side and another load P2at 8 cm on the other side along a principal section parallel to longer dimension. If the extreme intensity on either side is same, the ratio of P1 to P2 will be 3/2 8/5 5/8 2/3 3/2 8/5 5/8 2/3 ANSWER DOWNLOAD EXAMIANS APP
Theory of Structures A shaft subjected to a bending moment M and a torque T, experiences Maximum bending stress = 32M/πd³ Neither A nor B Both A and B Maximum shear stress = 16 T/πd³ Maximum bending stress = 32M/πd³ Neither A nor B Both A and B Maximum shear stress = 16 T/πd³ ANSWER DOWNLOAD EXAMIANS APP
Theory of Structures The locus of the end point of the resultant of the normal and tangential components of the stress on an inclined plane, is Ellipse Straight line Circle Parabola Ellipse Straight line Circle Parabola ANSWER DOWNLOAD EXAMIANS APP