Theory of Structures If a three hinged parabolic arch, (span l, rise h) is carrying a uniformly distributed load w/unit length over the entire span, S.F. will be zero throughout All of these B.M. will be zero throughout Horizontal thrust is wl2/8h S.F. will be zero throughout All of these B.M. will be zero throughout Horizontal thrust is wl2/8h ANSWER DOWNLOAD EXAMIANS APP
Theory of Structures In case of principal axes of a section Difference of moment inertia is zero Product of moment of inertia is zero None of these Sum of moment of inertia is zero Difference of moment inertia is zero Product of moment of inertia is zero None of these Sum of moment of inertia is zero ANSWER DOWNLOAD EXAMIANS APP
Theory of Structures Total strain energy theory for the failure of a material at elastic limit, is known Haig’s theory Guest’s or Trecas’ theory St. Venant’s theory Rankine’s theory Haig’s theory Guest’s or Trecas’ theory St. Venant’s theory Rankine’s theory ANSWER DOWNLOAD EXAMIANS APP
Theory of Structures A close coil helical spring when subjected to a moment M having its axis along the axis of the helix Its mean diameter will decrease It is subjected to pure bending Its number of coils will increase All of these Its mean diameter will decrease It is subjected to pure bending Its number of coils will increase All of these ANSWER DOWNLOAD EXAMIANS APP
Theory of Structures If a solid shaft (diameter 20 cm, length 400 cm, N = 0.8 × 105 N/mm²) when subjected to a twisting moment, produces maximum shear stress of 50 N/mm 2, the angle of twist in radians, is 0.001 0.0025 0.003 0.002 0.001 0.0025 0.003 0.002 ANSWER DOWNLOAD EXAMIANS APP
Theory of Structures The load on a spring per unit deflection, is called Stiffness Proof load Proof stress Proof resilience Stiffness Proof load Proof stress Proof resilience ANSWER DOWNLOAD EXAMIANS APP