Theory of Structures The point of contraflexure is the point where M. is minimum S.F. is zero M. is maximum M. changes sign M. is minimum S.F. is zero M. is maximum M. changes sign ANSWER DOWNLOAD EXAMIANS APP
Theory of Structures The general expression for the B.M. of a beam of length l is the beam carries M = (wl/2) x – (wx²/2) A uniformly distributed load w/unit length A load varying linearly from zero at one end to w at the other end None of these An isolated load at mid span A uniformly distributed load w/unit length A load varying linearly from zero at one end to w at the other end None of these An isolated load at mid span ANSWER DOWNLOAD EXAMIANS APP
Theory of Structures A two hinged parabolic arch of span l and rise h carries a load varying from zero at the left end to ? per unit run at the right end. The horizontal thrust is ωl²/4h ωl²/8h ωl²/12h ωl²/16h ωl²/4h ωl²/8h ωl²/12h ωl²/16h ANSWER DOWNLOAD EXAMIANS APP
Theory of Structures Slenderness ratio of a long column, is Length of column divided by least radius of gyration Area of cross-section divided by least radius of gyration Area of cross-section divided by radius of gyration Radius of gyration divided by area of cross-section Length of column divided by least radius of gyration Area of cross-section divided by least radius of gyration Area of cross-section divided by radius of gyration Radius of gyration divided by area of cross-section ANSWER DOWNLOAD EXAMIANS APP
Theory of Structures A shaft subjected to a bending moment M and a torque T, experiences Maximum shear stress = 16 T/πd³ Neither A nor B Both A and B Maximum bending stress = 32M/πd³ Maximum shear stress = 16 T/πd³ Neither A nor B Both A and B Maximum bending stress = 32M/πd³ ANSWER DOWNLOAD EXAMIANS APP
Theory of Structures The maximum deflection of a simply supported beam of span L, carrying an isolated load at the centre of the span; flexural rigidity being EI, is WL3/24EL WL3/48EL WL3/8EL WL3/3EL WL3/24EL WL3/48EL WL3/8EL WL3/3EL ANSWER DOWNLOAD EXAMIANS APP