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 2.125 cm³ 3.125 cm³ 4.125 cm² 1.125 cm³ 2.125 cm³ 3.125 cm³ 4.125 cm² ANSWER DOWNLOAD EXAMIANS APP
Theory of Structures Principal planes are subjected to Tangential stresses only None of these Normal stresses as well as tangential stresses Normal stresses only Tangential stresses only None of these Normal stresses as well as tangential stresses Normal stresses only ANSWER DOWNLOAD EXAMIANS APP
Theory of Structures A simply supported rolled steel joist 8 m long carries a uniformly distributed load over it span so that the maximum bending stress is 75 N/mm². If the slope at the ends is 0.005 radian and the value of E = 0.2 × 106 N/mm², the depth of the joist, is 400 mm 250 mm 200 mm 300 mm 400 mm 250 mm 200 mm 300 mm 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 An isolated load at mid span A uniformly distributed load w/unit length None of these A load varying linearly from zero at one end to w at the other end An isolated load at mid span A uniformly distributed load w/unit length ANSWER DOWNLOAD EXAMIANS APP
Theory of Structures The vertical reaction for the arch is wl/a wa/2l wa/l wa²/2l wl/a wa/2l wa/l wa²/2l ANSWER DOWNLOAD EXAMIANS APP
Theory of Structures In case of a simply supported I-section beam of span L and loaded with a central load W, the length of elasto-plastic zone of the plastic hinge, is L/2 L/3 L/4 L/5 L/2 L/3 L/4 L/5 ANSWER DOWNLOAD EXAMIANS APP
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