Theory of Structures A bar L metre long and having its area of cross-section A, is subjected to a gradually applied tensile load W. The strain energy stored in the bar is WL/AE W²L/2AE W²L/AE WL/2AE WL/AE W²L/2AE W²L/AE WL/2AE ANSWER DOWNLOAD EXAMIANS APP
Theory of Structures A shaft is subjected to bending moment M and a torque T simultaneously. The ratio of the maximum bending stress to maximum shear stress developed in the shaft, is 2M/ T M/T T/M 2T/M 2M/ T M/T T/M 2T/M 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: 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 material is said to be perfectly elastic if It regains its original shape partially on removal of the load It regains its original shape on removal of the load It does not regain its original shape at all None of these It regains its original shape partially on removal of the load It regains its original shape on removal of the load It does not regain its original shape at all None of these ANSWER DOWNLOAD EXAMIANS APP
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 Straight line formula Parabolic formula Perry Rankine Straight line formula Parabolic formula Perry Rankine ANSWER DOWNLOAD EXAMIANS APP
Theory of Structures A rolled steel joist is simply supported at its ends and carries a uniformly distributed load which causes a maximum deflection of 10 mm and slope at the ends of 0.002 radian. The length of the joist will be, 16 m 13 M 14 M 15 M 16 m 13 M 14 M 15 M ANSWER DOWNLOAD EXAMIANS APP