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: 4.125 cm² 2.125 cm³ 3.125 cm³ 1.125 cm³ 4.125 cm² 2.125 cm³ 3.125 cm³ 1.125 cm³ ANSWER DOWNLOAD EXAMIANS APP
Theory of Structures Flat spiral springs All of these Consist of uniform thin strips Are wound by applying a torque Consist of uniform thin strips All of these Consist of uniform thin strips Are wound by applying a torque Consist of uniform thin strips ANSWER DOWNLOAD EXAMIANS APP
Theory of Structures A steel bar 20 mm in diameter simply-supported at its ends over a total span of 40 cm carries a load at its centre. If the maximum stress induced in the bar is limited to N/mm², the bending strain energy stored in the bar, is 511 N mm 611 N mm 411 N mm 711 N mm 511 N mm 611 N mm 411 N mm 711 N mm ANSWER DOWNLOAD EXAMIANS APP
Theory of Structures A composite beam is composed of two equal strips one of brass and other of steel. If the temperature is raised Composite beam gets subjected to a couple All of these Steel experiences tensile force Brass experiences compressive force Composite beam gets subjected to a couple All of these Steel experiences tensile force Brass experiences compressive force ANSWER DOWNLOAD EXAMIANS APP
Theory of Structures In case of a simply supported rectangular beam of span L and loaded with a central load W, the length of elasto-plastic zone of the plastic hinge, is L/3 L/2 L/5 L/4 L/3 L/2 L/5 L/4 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) An isolated load at mid span A load varying linearly from zero at one end to w at the other end None of these A uniformly distributed load w/unit length An isolated load at mid span A load varying linearly from zero at one end to w at the other end None of these A uniformly distributed load w/unit length ANSWER DOWNLOAD EXAMIANS APP
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