Theory of Structures A close coil helical spring when subjected to a moment M having its axis along the axis of the helix All of these It is subjected to pure bending Its number of coils will increase Its mean diameter will decrease All of these It is subjected to pure bending Its number of coils will increase Its mean diameter will decrease ANSWER DOWNLOAD EXAMIANS APP
Theory of Structures In case of principal axes of a section Product of moment of inertia is zero Difference of moment inertia is zero None of these Sum of moment of inertia is zero Product of moment of inertia is zero Difference of moment inertia is zero None of these Sum of moment of inertia is zero 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 F/A 2F/3A F/2A 3F/2A F/A 2F/3A ANSWER DOWNLOAD EXAMIANS APP
Theory of Structures A masonry dam (density = 20,000 N/m³) 6 m high, one metre wide at the top and 4 m wide at the base, has vertical water face. The minimum stress at the base of the dam when the reservoir is full, will be 750 N/m² 75 N/m² 7500 N/m² 75000 N/m² 750 N/m² 75 N/m² 7500 N/m² 75000 N/m² ANSWER DOWNLOAD EXAMIANS APP
Theory of Structures A shaft subjected to a bending moment M and a torque T, experiences Maximum bending stress = 32M/πd³ Neither A nor B Maximum shear stress = 16 T/πd³ Both A and B Maximum bending stress = 32M/πd³ Neither A nor B Maximum shear stress = 16 T/πd³ Both A and B 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 30° 90° 45° 60° 30° 90° 45° 60° ANSWER DOWNLOAD EXAMIANS APP