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 1.125 cm³ 3.125 cm³ 4.125 cm² 2.125 cm³ 1.125 cm³ 3.125 cm³ ANSWER DOWNLOAD EXAMIANS APP
Theory of Structures The ratio of moments of inertia of a triangular section about its base and about a centroidal axis parallel to its base, is 2 1.5 1 3 2 1.5 1 3 ANSWER DOWNLOAD EXAMIANS APP
Theory of Structures A truss containing j joints and m members, will be a simple truss if m = 3j – 2 m = 2j – 3 j = 2m – 3 j = 3m – 2 m = 3j – 2 m = 2j – 3 j = 2m – 3 j = 3m – 2 ANSWER DOWNLOAD EXAMIANS APP
Theory of Structures The ratio of shear stress and shear strain of an elastic material, is Both A. and B. Modulus of Elasticity Modulus of Rigidity Shear Modulus Both A. and B. Modulus of Elasticity Modulus of Rigidity Shear Modulus ANSWER DOWNLOAD EXAMIANS APP
Theory of Structures section modulus of a square section of side B and that of a circular section of the ratio of the diameter D, is 3 /8 2 /15 3 /16 /16 3 /8 2 /15 3 /16 /16 ANSWER DOWNLOAD EXAMIANS APP
Theory of Structures There are two hinged semicircular arches A, B and C of radii 5 m, 7.5 m and 10 m respectively and each carries a concentrated load W at their crowns. The horizontal thrust at their supports will be in the ratio of 1 : 1 : 2 None of these 2 : 1½ : 1 1 : 1½ : 2 1 : 1 : 2 None of these 2 : 1½ : 1 1 : 1½ : 2 ANSWER DOWNLOAD EXAMIANS APP
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