Theory of Structures In case of principal axes of a section Product of moment of inertia is zero Difference of moment inertia is zero None of these Sum of moment of inertia is zero Product of moment of inertia is zero Difference of moment inertia is zero None of these Sum of moment of inertia is zero ANSWER DOWNLOAD EXAMIANS APP
Theory of Structures A bar L metre long and having its area of cross-section A, is subjected to a gradually applied tensile load W. The strain energy stored in the bar is W²L/AE WL/AE WL/2AE W²L/2AE W²L/AE WL/AE WL/2AE W²L/2AE ANSWER DOWNLOAD EXAMIANS APP
Theory of Structures The horizontal thrust on the ends of a two hinged semicircular arch of radius ‘R’ carrying A uniformly distributed load ? per unit run over its entire span is 4/3 ?R/? A distributed load varying from zero at the left end to ? per unit horizontal run at the right end, is ? ?R/? All of these A uniformly distributed load ? per unit run over its right half span, is ? ?R/? A uniformly distributed load ? per unit run over its entire span is 4/3 ?R/? A distributed load varying from zero at the left end to ? per unit horizontal run at the right end, is ? ?R/? All of these A uniformly distributed load ? per unit run over its right half span, is ? ?R/? ANSWER DOWNLOAD EXAMIANS APP
Theory of Structures The area of the core of a column of cross sectional area A, is (1/18) A (1/12) A (1/3) A (1/6) A (1/18) A (1/12) A (1/3) A (1/6) A ANSWER DOWNLOAD EXAMIANS APP
Theory of Structures If Q is load factor, S is shape factor and F is factor of safety in elastic design, the following: Q = S × F Q = F – S Q = S – F Q = S + F Q = S × F Q = F – S Q = S – F Q = S + F ANSWER DOWNLOAD EXAMIANS APP
Theory of Structures 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 B²D/6 BD³/12 BD³/6 BD²/6 B²D/6 BD³/12 BD³/6 ANSWER DOWNLOAD EXAMIANS APP