The assumption in the theory of bending of beams is: Young’s modulus is same in tension as well as in compression Material is homogeneous Material is isotropic All of these TRUE ANSWER : ? YOUR ANSWER : ?
The stiffness of the close coil helical spring is 8D3N/d4n 4D3N/d4n d4N/8D3n d4N/4D3n TRUE ANSWER : ? YOUR ANSWER : ?
Inertia of a rectangular section of width and depth about an axis passing the moment of through C.G. and parallel to its width is BD²/6 BD³/12 B²D/6 BD³/6 TRUE ANSWER : ? YOUR ANSWER : ?
The yield moment of a cross section is defined as the moment that will just produce the yield stress in The outer most fibre of the section The fibre everywhere The neutral fibre of the section The inner most fibre of the section TRUE ANSWER : ? YOUR ANSWER : ?
For beams breadth is constant, Depth d M Depth d 3 Depth d 1/M Depth d TRUE ANSWER : ? YOUR ANSWER : ?
The locus of the end point of the resultant of the normal and tangential components of the stress on an inclined plane, is Circle Parabola Ellipse Straight line TRUE ANSWER : ? YOUR ANSWER : ?
The general expression for the B.M. of a beam of length l is the beam carries M = (wl/2) x – (wx²/2) A load varying linearly from zero at one end to w at the other end A uniformly distributed load w/unit length An isolated load at mid span None of these TRUE ANSWER : ? YOUR ANSWER : ?
In plastic analysis, the shape factor for a circular section, is 1.3 1.5 1.7 1.2 TRUE ANSWER : ? YOUR ANSWER : ?
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 I/M = R/E = F/Y M/I = E/R = Y/F M/I = R/E = F/Y M/I = E/R = F/Y TRUE ANSWER : ? YOUR ANSWER : ?
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 WL3/3EL WL3/8EL WL3/48EL TRUE ANSWER : ? YOUR ANSWER : ?