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/2AE WL/2AE WL/AE W²L/AE W²L/2AE WL/2AE WL/AE W²L/AE ANSWER DOWNLOAD EXAMIANS APP
Theory of Structures The stiffness of the close coil helical spring is 8D3N/d4n d4N/4D3n 4D3N/d4n d4N/8D3n 8D3N/d4n d4N/4D3n 4D3N/d4n d4N/8D3n ANSWER DOWNLOAD EXAMIANS APP
Theory of Structures A lift of weight W is lifted by a rope with an acceleration f. If the area of cross-section of the rope is A, the stress in the rope is [W (1 + f/ G)]/ A (1 – g/f)/A [W (2 + g/f)]/A [W (2 + f/G)]/A [W (1 + f/ G)]/ A (1 – g/f)/A [W (2 + g/f)]/A [W (2 + f/G)]/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 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 right half span, is ? ?R/? All of these 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/? A uniformly distributed load ? per unit run over its right half span, is ? ?R/? All of these 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/? ANSWER DOWNLOAD EXAMIANS APP
Theory of Structures The equivalent length is of a column of length having both the ends fixed, is L/2 L l 2 L L/2 L l 2 L ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS