Theory of Structures a uniform circular bar of diameter d and length , which extends by an The deflection of amount under a tensile pull , when it carries the same load at its mid-span, is ee²l/3d² el²/3d² el/2d e²l²/3d² ee²l/3d² el²/3d² el/2d e²l²/3d² ANSWER DOWNLOAD EXAMIANS APP
Theory of Structures In a shaft, the shear stress is not directly proportional to Modulus of rigidity Radius of the shaft Angle of twist Length of the shaft Modulus of rigidity Radius of the shaft Angle of twist Length of the shaft ANSWER DOWNLOAD EXAMIANS APP
Theory of Structures There are two hinged semicircular arches A, B and C of radii 5 m, 7.5 m and 10 m respectively and each carries a concentrated load W at their crowns. The horizontal thrust at their supports will be in the ratio of 2 : 1½ : 1 1 : 1½ : 2 None of these 1 : 1 : 2 2 : 1½ : 1 1 : 1½ : 2 None of these 1 : 1 : 2 ANSWER DOWNLOAD EXAMIANS APP
Theory of Structures The point of contraflexure is the point where M. changes sign S.F. is zero M. is minimum M. is maximum M. changes sign S.F. is zero M. is minimum M. is maximum ANSWER DOWNLOAD EXAMIANS APP
Theory of Structures A lift of weight W is lifted by a rope with an acceleration f. If the area of cross-section of the rope is A, the stress in the rope is [W (1 + f/ G)]/ A [W (2 + f/G)]/A (1 – g/f)/A [W (2 + g/f)]/A [W (1 + f/ G)]/ A [W (2 + f/G)]/A (1 – g/f)/A [W (2 + g/f)]/A 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 Rankine’s theory St. Venant’s theory Haig’s theory Guest’s or Trecas’ theory Rankine’s theory St. Venant’s theory ANSWER DOWNLOAD EXAMIANS APP