Theory of Structures The shape factor of standard rolled beam section varies from 1.20 to 1.30 1.30 to 1.40 1.40 to 1.50 1.10 to 1.20 1.20 to 1.30 1.30 to 1.40 1.40 to 1.50 1.10 to 1.20 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 80 N/mm² 150 N/mm² 100 N/mm 2 120 N/mm² 80 N/mm² 150 N/mm² 100 N/mm 2 ANSWER DOWNLOAD EXAMIANS APP
Theory of Structures Slenderness ratio of a long column, is Area of cross-section divided by radius of gyration Radius of gyration divided by area of cross-section Area of cross-section divided by least radius of gyration Length of column divided by least radius of gyration Area of cross-section divided by radius of gyration Radius of gyration divided by area of cross-section Area of cross-section divided by least radius of gyration Length of column divided by least radius of gyration 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 All of these (3/2)K (1 – 2/m) = N (1 + 1/m) E = 3K (1 – 2/m) E = 2N (1 + 1/m) All of these (3/2)K (1 – 2/m) = N (1 + 1/m) E = 3K (1 – 2/m) E = 2N (1 + 1/m) ANSWER DOWNLOAD EXAMIANS APP
Theory of Structures parabolic arch of span and rise , is given by The equation of a y = 2h/l² × (1 – x) y = h/l² × (1 – x ) y = 3h/l² × (1 – x) y = 4h/l² × (1 – x) y = 2h/l² × (1 – x) y = h/l² × (1 – x ) y = 3h/l² × (1 – x) y = 4h/l² × (1 – x) ANSWER DOWNLOAD EXAMIANS APP
Theory of Structures In case of a simply supported I-section beam of span L and loaded with a central load W, the length of elasto-plastic zone of the plastic hinge, is L/4 L/3 L/2 L/5 L/4 L/3 L/2 L/5 ANSWER DOWNLOAD EXAMIANS APP