Theory of Structures For calculating the allowable stress of long columns σ0 = σy/n [1 - a (1/r)²]is the empirical formula, known as Rankine Parabolic formula Straight line formula Perry Rankine Parabolic formula Straight line formula Perry ANSWER DOWNLOAD EXAMIANS APP
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 3.125 cm³ 1.125 cm³ 2.125 cm³ 4.125 cm² 3.125 cm³ 1.125 cm³ 2.125 cm³ ANSWER DOWNLOAD EXAMIANS APP
Theory of Structures The maximum deflection of a simply supported beam of span L, carrying an isolated load at the centre of the span; flexural rigidity being EI, is WL3/24EL WL3/3EL WL3/48EL WL3/8EL WL3/24EL WL3/3EL WL3/48EL WL3/8EL 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 /16 2 /15 /16 3 /8 3 /16 2 /15 /16 3 /8 ANSWER DOWNLOAD EXAMIANS APP
Theory of Structures The maximum magnitude of shear stress due to shear force F on a rectangular section of area A at the neutral axis, is F/2A 3F/2A 2F/3A F/A F/2A 3F/2A 2F/3A F/A 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 ωl²/4h ωl²/8h ωl²/16h ωl²/12h ωl²/4h ωl²/8h ωl²/16h ANSWER DOWNLOAD EXAMIANS APP
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