Theory of Structures The point of contraflexure is the point where M. is maximum M. is minimum M. changes sign S.F. is zero M. is maximum M. is minimum M. changes sign S.F. is zero ANSWER DOWNLOAD EXAMIANS APP
Theory of Structures For a strongest rectangular beam cut from a circular log, the ratio of the width and depth, is 0.707 0.303 0.404 0.505 0.707 0.303 0.404 0.505 ANSWER DOWNLOAD EXAMIANS APP
Theory of Structures If E, N, K and 1/m are modulus of elasticity, modulus of rigidity. Bulk modulus and Poisson ratio of the material, the following relationship holds good All of these E = 2N (1 + 1/m) E = 3K (1 – 2/m) (3/2)K (1 – 2/m) = N (1 + 1/m) All of these E = 2N (1 + 1/m) E = 3K (1 – 2/m) (3/2)K (1 – 2/m) = N (1 + 1/m) ANSWER DOWNLOAD EXAMIANS APP
Theory of Structures Y are the bending moment, moment of inertia, radius of curvature, modulus of If M, I, R, E, F, and elasticity stress and the depth of the neutral axis at section, then M/I = E/R = Y/F M/I = R/E = F/Y I/M = R/E = F/Y M/I = E/R = F/Y M/I = E/R = Y/F M/I = R/E = F/Y I/M = R/E = F/Y M/I = E/R = F/Y ANSWER DOWNLOAD EXAMIANS APP
Theory of Structures Maximum principal stress theory for the failure of a material at elastic point, is known Guest's or Trecas' theory Von Mises' theory Rankine's theory St. Venant's theory Guest's or Trecas' theory Von Mises' theory Rankine's theory St. Venant's theory 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 2/3 5/8 8/5 3/2 2/3 5/8 8/5 3/2 ANSWER DOWNLOAD EXAMIANS APP