Theory of Structures The ratio of maximum and average shear stresses on a rectangular section, is 1 1.5 2.5 1.25 1 1.5 2.5 1.25 ANSWER DOWNLOAD EXAMIANS APP
Theory of Structures A steel plate d × b is sandwiched rigidly between two timber joists each D × B/2 in section. The steel will be (where Young’s modulus of steel is m times that of the timber). BD² + mbd³)/4D] BD² + mbd²)/4D] BD² + mbd²)/6D] BD³ + mbd³)/6D] BD² + mbd³)/4D] BD² + mbd²)/4D] BD² + mbd²)/6D] BD³ + mbd³)/6D] ANSWER DOWNLOAD EXAMIANS APP
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 3p/a² 2p/a² p/a² 4p/a² 3p/a² 2p/a² p/a² 4p/a² 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 T/M 2T/M 2M/ T M/T T/M 2T/M ANSWER DOWNLOAD EXAMIANS APP
Theory of Structures A steel bar 5 m × 50 mm is loaded with 250,000 N. If the modulus of elasticity of the material is 0.2 MN/mm² and Poisson’s ratio is 0.25, the change in the volume of the bar is: 4.125 cm² 3.125 cm³ 2.125 cm³ 1.125 cm³ 4.125 cm² 3.125 cm³ 2.125 cm³ 1.125 cm³ 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 120 N/mm² 100 N/mm 2 150 N/mm² 80 N/mm² 120 N/mm² 100 N/mm 2 150 N/mm² 80 N/mm² ANSWER DOWNLOAD EXAMIANS APP
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