Theory of Structures A composite beam is composed of two equal strips one of brass and other of steel. If the temperature is raised Steel experiences tensile force All of these Brass experiences compressive force Composite beam gets subjected to a couple Steel experiences tensile force All of these Brass experiences compressive force Composite beam gets subjected to a couple ANSWER DOWNLOAD EXAMIANS APP
Theory of Structures A simply supported rolled steel joist 8 m long carries a uniformly distributed load over it span so that the maximum bending stress is 75 N/mm². If the slope at the ends is 0.005 radian and the value of E = 0.2 × 106 N/mm², the depth of the joist, is 200 mm 300 mm 400 mm 250 mm 200 mm 300 mm 400 mm 250 mm 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: 2.125 cm³ 3.125 cm³ 4.125 cm² 1.125 cm³ 2.125 cm³ 3.125 cm³ 4.125 cm² 1.125 cm³ 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° 60° 45° 30° 90° 60° 45° 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 T/M 2T/M 2M/ T M/T T/M 2T/M 2M/ T M/T ANSWER DOWNLOAD EXAMIANS APP
Theory of Structures Maximum strain theory for the failure of a material at the elastic limit, is known as Guest's or Trecas' theory Haig's theory Rankine's theory St. Venant's theory Guest's or Trecas' theory Haig's theory Rankine's theory St. Venant's theory ANSWER DOWNLOAD EXAMIANS APP