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 1.125 cm³ 4.125 cm² 3.125 cm³ 2.125 cm³ 1.125 cm³ 4.125 cm² 3.125 cm³ ANSWER DOWNLOAD EXAMIANS APP
Theory of Structures A shaft is subjected to bending moment M and a torque T simultaneously. The ratio of the maximum bending stress to maximum shear stress developed in the shaft, is M/T T/M 2T/M 2M/ T M/T T/M 2T/M 2M/ T ANSWER DOWNLOAD EXAMIANS APP
Theory of Structures At yield point of a test piece, the material Undergoes plastic deformation Behaves in an elastic manner Regains its original shape on removal of the load Obeys Hooke’s law Undergoes plastic deformation Behaves in an elastic manner Regains its original shape on removal of the load Obeys Hooke’s law ANSWER DOWNLOAD EXAMIANS APP
Theory of Structures A short column (30 cm × 20 cm) carries a load P 1 at 4 cm on one side and another load P2at 8 cm on the other side along a principal section parallel to longer dimension. If the extreme intensity on either side is same, the ratio of P1 to P2 will be 3/2 8/5 2/3 5/8 3/2 8/5 2/3 5/8 ANSWER DOWNLOAD EXAMIANS APP
Theory of Structures The ratio of maximum shear stress to average shear stress of a circular beam, is 3/2 4/7 4/3 2/3 3/2 4/7 4/3 2/3 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 Composite beams Indeterminate beams Determinate beams Compound beams Composite beams Indeterminate beams Determinate beams Compound beams ANSWER DOWNLOAD EXAMIANS APP
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