Theory of Structures A close coil helical spring when subjected to a moment M having its axis along the axis of the helix All of these It is subjected to pure bending Its mean diameter will decrease Its number of coils will increase All of these It is subjected to pure bending Its mean diameter will decrease Its number of coils will increase ANSWER DOWNLOAD EXAMIANS APP
Theory of Structures A steel bar 20 mm in diameter simply-supported at its ends over a total span of 40 cm carries a load at its centre. If the maximum stress induced in the bar is limited to N/mm², the bending strain energy stored in the bar, is 611 N mm 711 N mm 511 N mm 411 N mm 611 N mm 711 N mm 511 N mm 411 N mm ANSWER DOWNLOAD EXAMIANS APP
Theory of Structures Maximum strain theory for the failure of a material at the elastic limit, is known as St. Venant's theory Haig's theory Guest's or Trecas' theory Rankine's theory St. Venant's theory Haig's theory Guest's or Trecas' theory Rankine's theory ANSWER DOWNLOAD EXAMIANS APP
Theory of Structures A spring of mean radius 40 mm contains 8 action coils of steel (N = 80000 N/mm²), 4 mm in diameter. The clearance between the coils being 1 mm when unloaded, the minimum compressive load to remove the clearance, is 35 N 25 N 30 N 40 N 35 N 25 N 30 N 40 N 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 (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) All of these E = 3K (1 – 2/m) ANSWER DOWNLOAD EXAMIANS APP
Theory of Structures The ratio of circumferential stress to the longitudinal stress in the walls of a cylindrical shell, due to flowing liquid, is 1 2 1½ ½ 1 2 1½ ½ ANSWER DOWNLOAD EXAMIANS APP