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 material is said to be perfectly elastic if It regains its original shape on removal of the load None of these It does not regain its original shape at all It regains its original shape partially on removal of the load It regains its original shape on removal of the load None of these It does not regain its original shape at all It regains its original shape partially on removal of the load ANSWER DOWNLOAD EXAMIANS APP
Theory of Structures If a solid shaft (diameter 20 cm, length 400 cm, N = 0.8 × 105 N/mm²) when subjected to a twisting moment, produces maximum shear stress of 50 N/mm 2, the angle of twist in radians, is 0.002 0.001 0.0025 0.003 0.002 0.001 0.0025 0.003 ANSWER DOWNLOAD EXAMIANS APP
Theory of Structures Pick up the correct statement from the following: The moment of inertia is calculated about the axis about which bending takes place All of these If tensile stress is less than axial stress, the section experiences compressive stress If tensile stress is equal to axial stress, the section experiences compressive stress The moment of inertia is calculated about the axis about which bending takes place All of these If tensile stress is less than axial stress, the section experiences compressive stress If tensile stress is equal to axial stress, the section experiences compressive stress ANSWER DOWNLOAD EXAMIANS APP
Theory of Structures Principal planes are subjected to None of these Normal stresses only Tangential stresses only Normal stresses as well as tangential stresses None of these Normal stresses only Tangential stresses only Normal stresses as well as tangential stresses ANSWER DOWNLOAD EXAMIANS APP
Theory of Structures For beams breadth is constant, Depth d 3 Depth d Depth d M Depth d 1/M Depth d 3 Depth d Depth d M Depth d 1/M ANSWER DOWNLOAD EXAMIANS APP