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 3.125 cm³ 4.125 cm² 2.125 cm³ 1.125 cm³ 3.125 cm³ 4.125 cm² 2.125 cm³ ANSWER DOWNLOAD EXAMIANS APP
Theory of Structures A cantilever of length 2 cm and depth 10 cm tapers in plan from a width 24 cm to zero at its free end. If the modulus of elasticity of the material is 0.2 × 106 N/mm², the deflection of the free end, is 5 mm 3 mm 4 mm 2 mm 5 mm 3 mm 4 mm 2 mm ANSWER DOWNLOAD EXAMIANS APP
Theory of Structures The strain energy due to volumetric strain Is directly proportional to the volume All of these Is inversely proportional to Bulk modulus Is directly proportional to the square of exerted pressure Is directly proportional to the volume All of these Is inversely proportional to Bulk modulus Is directly proportional to the square of exerted pressure ANSWER DOWNLOAD EXAMIANS APP
Theory of Structures Slenderness ratio of a long column, is Area of cross-section divided by least radius of gyration Radius of gyration divided by area of cross-section Length of column divided by least radius of gyration Area of cross-section divided by radius of gyration Area of cross-section divided by least radius of gyration Radius of gyration divided by area of cross-section Length of column divided by least radius of gyration Area of cross-section divided by radius of gyration ANSWER DOWNLOAD EXAMIANS APP
Theory of Structures The assumption in the theory of bending of beams is: Material is isotropic All of these Young’s modulus is same in tension as well as in compression Material is homogeneous Material is isotropic All of these Young’s modulus is same in tension as well as in compression Material is homogeneous ANSWER DOWNLOAD EXAMIANS APP
Theory of Structures A steel rod of sectional area 250 sq. mm connects two parallel walls 5 m apart. The nuts at the ends were tightened when the rod was heated to 100°C. If steel = 0.000012/C°, Esteel = 0.2 MN/mm², the tensile force developed at a temperature of 50°C, is 80 N/mm² 120 N/mm² 100 N/mm 2 150 N/mm² 80 N/mm² 120 N/mm² 100 N/mm 2 150 N/mm² ANSWER DOWNLOAD EXAMIANS APP
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