Theory of Structures At yield point of a test piece, the material Regains its original shape on removal of the load Obeys Hooke’s law Behaves in an elastic manner Undergoes plastic deformation Regains its original shape on removal of the load Obeys Hooke’s law Behaves in an elastic manner Undergoes plastic deformation ANSWER DOWNLOAD EXAMIANS APP
Theory of Structures A shaft rotating N.R.M. under a torque T, transmits a power /60 Newton metres/sec /60 Newton metres/min /30 Newton metres/sec /30 Newton metres/min /60 Newton metres/sec /60 Newton metres/min /30 Newton metres/sec /30 Newton metres/min ANSWER DOWNLOAD EXAMIANS APP
Theory of Structures If Q is load factor, S is shape factor and F is factor of safety in elastic design, the following: Q = F – S Q = S + F Q = S × F Q = S – F Q = F – S Q = S + F Q = S × F Q = S – F ANSWER DOWNLOAD EXAMIANS APP
Theory of Structures Maximum principal stress theory for the failure of a material at elastic point, is known Von Mises' theory Guest's or Trecas' theory St. Venant's theory Rankine's theory Von Mises' theory Guest's or Trecas' theory St. Venant's theory Rankine's theory 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 90° 60° 30° 45° 90° 60° 30° 45° 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 E = 2N (1 + 1/m) E = 3K (1 – 2/m) (3/2)K (1 – 2/m) = N (1 + 1/m) All of these E = 2N (1 + 1/m) E = 3K (1 – 2/m) (3/2)K (1 – 2/m) = N (1 + 1/m) ANSWER DOWNLOAD EXAMIANS APP