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 4WD²n/d4N 4W²D3n/d4N 4W²D3n²/d4N 4W²Dn/d4N 4WD²n/d4N 4W²D3n/d4N 4W²D3n²/d4N 4W²Dn/d4N ANSWER DOWNLOAD EXAMIANS APP
Theory of Structures The moment of inertia of a triangular section (height h, base b) about its base, is bh³/12 b³h/12 bh²/12 b²h/12 bh³/12 b³h/12 bh²/12 b²h/12 ANSWER DOWNLOAD EXAMIANS APP
Theory of Structures A steel bar 20 mm in diameter simply-supported at its ends over a total span of 40 cm carries a load at its centre. If the maximum stress induced in the bar is limited to N/mm², the bending strain energy stored in the bar, is 711 N mm 611 N mm 411 N mm 511 N mm 711 N mm 611 N mm 411 N mm 511 N mm 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 2T/M T/M 2M/ T M/T 2T/M T/M ANSWER DOWNLOAD EXAMIANS APP
Theory of Structures A simply supported beam A carries a point load at its mid span. Another identical beam B carries the same load but uniformly distributed over the entire span. The ratio of the maximum deflections of the beams A and B, will be 5/8 3/2 8/5 2/3 5/8 3/2 8/5 2/3 ANSWER DOWNLOAD EXAMIANS APP
Theory of Structures The ratio of maximum and average shear stresses on a rectangular section, is 1.5 1.25 1 2.5 1.5 1.25 1 2.5 ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS