Theory of Structures A square column carries a load P at the centroid of one of the quarters of the square. If a is the side of the main square, the combined bending stress will be p/a² 2p/a² 3p/a² 4p/a² p/a² 2p/a² 3p/a² 4p/a² ANSWER DOWNLOAD EXAMIANS APP
Theory of Structures A steel rod of sectional area 250 sq. mm connects two parallel walls 5 m apart. The nuts at the ends were tightened when the rod was heated to 100°C. If steel = 0.000012/C°, Esteel = 0.2 MN/mm², the tensile force developed at a temperature of 50°C, is 150 N/mm² 120 N/mm² 80 N/mm² 100 N/mm 2 150 N/mm² 120 N/mm² 80 N/mm² 100 N/mm 2 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 = F – S Q = S + F Q = S × F Q = S – F Q = F – S Q = S + F Q = S × F Q = S – F ANSWER DOWNLOAD EXAMIANS APP
Theory of Structures If E, N, K and 1/m are modulus of elasticity, modulus of rigidity. Bulk modulus and Poisson ratio of the material, the following relationship holds good E = 2N (1 + 1/m) All of these E = 3K (1 – 2/m) (3/2)K (1 – 2/m) = N (1 + 1/m) E = 2N (1 + 1/m) All of these E = 3K (1 – 2/m) (3/2)K (1 – 2/m) = N (1 + 1/m) ANSWER DOWNLOAD EXAMIANS APP
Theory of Structures If a solid shaft (diameter 20 cm, length 400 cm, N = 0.8 × 105 N/mm²) when subjected to a twisting moment, produces maximum shear stress of 50 N/mm 2, the angle of twist in radians, is 0.001 0.0025 0.003 0.002 0.001 0.0025 0.003 0.002 ANSWER DOWNLOAD EXAMIANS APP
Theory of Structures The horizontal thrust on the ends of a two hinged semicircular arch of radius ‘R’ carrying All of these 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/? A distributed load varying from zero at the left end to ? per unit horizontal run at the right end, is ? ?R/? All of these 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/? A distributed load varying from zero at the left end to ? per unit horizontal run at the right end, is ? ?R/? ANSWER DOWNLOAD EXAMIANS APP
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