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 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) E = 2N (1 + 1/m) ANSWER DOWNLOAD EXAMIANS APP
Theory of Structures A material is said to be perfectly elastic if It regains its original shape partially on removal of the load It regains its original shape on removal of the load None of these It does not regain its original shape at all It regains its original shape partially on removal of the load It regains its original shape on removal of the load None of these It does not regain its original shape at all ANSWER DOWNLOAD EXAMIANS APP
Theory of Structures parabolic arch of span and rise , is given by The equation of a y = 4h/l² × (1 – x) y = 3h/l² × (1 – x) y = h/l² × (1 – x ) y = 2h/l² × (1 – x) y = 4h/l² × (1 – x) y = 3h/l² × (1 – x) y = h/l² × (1 – x ) y = 2h/l² × (1 – x) ANSWER DOWNLOAD EXAMIANS APP
Theory of Structures A load of 1960 N is raised at the end of a steel wire. The minimum diameter of the wire so that stress in the wire does not exceed 100 N/mm² is: 5.5 mm 5.0 mm 4.5 mm 4.0 mm 5.5 mm 5.0 mm 4.5 mm 4.0 mm ANSWER DOWNLOAD EXAMIANS APP
Theory of Structures At yield point of a test piece, the material Undergoes plastic deformation Regains its original shape on removal of the load Behaves in an elastic manner Obeys Hooke’s law Undergoes plastic deformation Regains its original shape on removal of the load Behaves in an elastic manner Obeys Hooke’s law ANSWER DOWNLOAD EXAMIANS APP
Theory of Structures The maximum magnitude of shear stress due to shear force F on a rectangular section of area A at the neutral axis, is 3F/2A 2F/3A F/A F/2A 3F/2A 2F/3A F/A F/2A ANSWER DOWNLOAD EXAMIANS APP