Theory of Structures A spring of mean radius 40 mm contains 8 action coils of steel (N = 80000 N/mm²), 4 mm in diameter. The clearance between the coils being 1 mm when unloaded, the minimum compressive load to remove the clearance, is 25 N 35 N 30 N 40 N 25 N 35 N 30 N 40 N ANSWER DOWNLOAD EXAMIANS APP
Theory of Structures Inertia of a rectangular section of width and depth about an axis passing the moment of through C.G. and parallel to its width is B²D/6 BD³/6 BD²/6 BD³/12 B²D/6 BD³/6 BD²/6 BD³/12 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 entire span is 4/3 ?R/? A uniformly distributed load ? per unit run over its right half span, is ? ?R/? All of these 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 entire span is 4/3 ?R/? A uniformly distributed load ? per unit run over its right half span, is ? ?R/? All of these ANSWER DOWNLOAD EXAMIANS APP
Theory of Structures If Q is load factor, S is shape factor and F is factor of safety in elastic design, the following: Q = S × F Q = F – S Q = S + F Q = S – F Q = S × F Q = F – S Q = S + F Q = S – F ANSWER DOWNLOAD EXAMIANS APP
Theory of Structures The shape factor of standard rolled beam section varies from 1.10 to 1.20 1.40 to 1.50 1.30 to 1.40 1.20 to 1.30 1.10 to 1.20 1.40 to 1.50 1.30 to 1.40 1.20 to 1.30 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
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