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: 3.125 cm³ 1.125 cm³ 4.125 cm² 2.125 cm³ 3.125 cm³ 1.125 cm³ 4.125 cm² 2.125 cm³ ANSWER DOWNLOAD EXAMIANS APP
Theory of Structures A close coil helical spring of mean diameter D consists of n coils of diameter d. If it carries an axial load W, the energy stored in the spring, is 4W²D3n/d4N 4W²Dn/d4N 4W²D3n²/d4N 4WD²n/d4N 4W²D3n/d4N 4W²Dn/d4N 4W²D3n²/d4N 4WD²n/d4N ANSWER DOWNLOAD EXAMIANS APP
Theory of Structures In the truss, the force in the member AC is t compressive t tensile 8.75 t tensile 6.25 t compressive t compressive t tensile 8.75 t tensile 6.25 t compressive ANSWER DOWNLOAD EXAMIANS APP
Theory of Structures A two hinged parabolic arch of span l and rise h carries a load varying from zero at the left end to ? per unit run at the right end. The horizontal thrust is ωl²/12h ωl²/8h ωl²/16h ωl²/4h ωl²/12h ωl²/8h ωl²/16h ωl²/4h ANSWER DOWNLOAD EXAMIANS APP
Theory of Structures The maximum bending moment for a simply supported beam with a uniformly distributed load w/unit length, is WI²/4 WI/2 WI²/8 WI²/12 WI²/4 WI/2 WI²/8 WI²/12 ANSWER DOWNLOAD EXAMIANS APP
Theory of Structures The ratio of shear stress and shear strain of an elastic material, is Shear Modulus Both A. and B. Modulus of Elasticity Modulus of Rigidity Shear Modulus Both A. and B. Modulus of Elasticity Modulus of Rigidity ANSWER DOWNLOAD EXAMIANS APP