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, All of these Horizontal thrust is wl2/8h B.M. will be zero throughout S.F. will be zero throughout All of these Horizontal thrust is wl2/8h B.M. will be zero throughout S.F. will be zero throughout ANSWER DOWNLOAD EXAMIANS APP
Theory of Structures Principal planes are subjected to Normal stresses only Normal stresses as well as tangential stresses Tangential stresses only None of these Normal stresses only Normal stresses as well as tangential stresses Tangential stresses only None of these 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: 1.125 cm³ 4.125 cm² 2.125 cm³ 3.125 cm³ 1.125 cm³ 4.125 cm² 2.125 cm³ 3.125 cm³ ANSWER DOWNLOAD EXAMIANS APP
Theory of Structures For calculating the allowable stress of long columns σ0 = σy/n [1 - a (1/r)²]is the empirical formula, known as Perry Parabolic formula Straight line formula Rankine Perry Parabolic formula Straight line formula Rankine ANSWER DOWNLOAD EXAMIANS APP
Theory of Structures The maximum deflection due to a load W at the free end of a cantilever of length L and having flexural rigidity EI, is WL²/2EI WL²/3EI WL3/2EI WL3/3EI WL²/2EI WL²/3EI WL3/2EI WL3/3EI 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) None of these 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 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 ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS