Theory of Structures In case of principal axes of a section Product of moment of inertia is zero Sum of moment of inertia is zero None of these Difference of moment inertia is zero Product of moment of inertia is zero Sum of moment of inertia is zero None of these Difference of moment inertia is zero ANSWER DOWNLOAD EXAMIANS APP
Theory of Structures For determining the support reactions at A and B of a three hinged arch, points B and Care joined and produced to intersect the load line at D and a line parallel to the load line through A at D’. Distances AD, DD’ and AD’ when measured were 4 cm, 3 cm and 5 cm respectively. The angle between the reactions at A and B is 90° 45° 60° 30° 90° 45° 60° 30° ANSWER DOWNLOAD EXAMIANS APP
Theory of Structures H V are the algebraic sums of the forces resolved horizontally and vertically respectively, M is the algebraic sum of the moments of forces about any point, for the equilibrium of the body acted upon M = 0 V = 0 All of these H = 0 M = 0 V = 0 All of these H = 0 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 WL3/3EL WL3/48EL WL3/8EL WL3/24EL WL3/3EL WL3/48EL WL3/8EL WL3/24EL ANSWER DOWNLOAD EXAMIANS APP
Theory of Structures The horizontal thrust on the ends of a two hinged semicircular arch of radius ‘R’ carrying A distributed load varying from zero at the left end to ? per unit horizontal run at the right end, is ? ?R/? A uniformly distributed load ? per unit run over its right half span, is ? ?R/? All of these A uniformly distributed load ? per unit run over its entire span is 4/3 ?R/? A distributed load varying from zero at the left end to ? per unit horizontal run at the right end, is ? ?R/? A uniformly distributed load ? per unit run over its right half span, is ? ?R/? All of these A uniformly distributed load ? per unit run over its entire span is 4/3 ?R/? ANSWER DOWNLOAD EXAMIANS APP
Theory of Structures A load of 1960 N is raised at the end of a steel wire. The minimum diameter of the wire so that stress in the wire does not exceed 100 N/mm² is: 5.5 mm 4.5 mm 4.0 mm 5.0 mm 5.5 mm 4.5 mm 4.0 mm 5.0 mm ANSWER DOWNLOAD EXAMIANS APP
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