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: 2.125 cm³ 3.125 cm³ 4.125 cm² 1.125 cm³ 2.125 cm³ 3.125 cm³ 4.125 cm² 1.125 cm³ 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 WL/2AE W²L/AE W²L/2AE WL/AE WL/2AE W²L/AE W²L/2AE WL/AE ANSWER DOWNLOAD EXAMIANS APP
Theory of Structures Beams composed of more than one material, rigidly connected together so as to behave as one piece, are known as Indeterminate beams Composite beams Compound beams Determinate beams Indeterminate beams Composite beams Compound beams Determinate beams ANSWER DOWNLOAD EXAMIANS APP
Theory of Structures Pick up the correct statement from the following: All of these In a loaded beam, the moment at which the entire section of the beam becomes fully plastic, is called plastic moment In a loaded beam, the moment at which the first yield occurs is called yield moment In a fully plastic stage of the beam, the neutral axis divides the section in two sections of equal area All of these In a loaded beam, the moment at which the entire section of the beam becomes fully plastic, is called plastic moment In a loaded beam, the moment at which the first yield occurs is called yield moment In a fully plastic stage of the beam, the neutral axis divides the section in two sections of equal area ANSWER DOWNLOAD EXAMIANS APP
Theory of Structures A steel plate d × b is sandwiched rigidly between two timber joists each D × B/2 in section. The steel will be (where Young’s modulus of steel is m times that of the timber). BD³ + mbd³)/6D] BD² + mbd²)/6D] BD² + mbd²)/4D] BD² + mbd³)/4D] BD³ + mbd³)/6D] BD² + mbd²)/6D] BD² + mbd²)/4D] BD² + mbd³)/4D] 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 WL²/3EI WL3/3EI WL3/2EI WL²/2EI WL²/3EI WL3/3EI WL3/2EI WL²/2EI ANSWER DOWNLOAD EXAMIANS APP