Theory of Structures The point of contraflexure is the point where M. is maximum M. changes sign S.F. is zero M. is minimum M. is maximum M. changes sign S.F. is zero M. is minimum ANSWER DOWNLOAD EXAMIANS APP
Theory of Structures A bar L metre long and having its area of cross-section A, is subjected to a gradually applied tensile load W. The strain energy stored in the bar is WL/AE W²L/2AE WL/2AE W²L/AE WL/AE W²L/2AE WL/2AE W²L/AE ANSWER DOWNLOAD EXAMIANS APP
Theory of Structures The ratio of the length and depth of a simply supported rectangular beam which experiences maximum bending stress equal to tensile stress, due to same load at its mid span, is 2/3 1/3 1/2 1/4 2/3 1/3 1/2 1/4 ANSWER DOWNLOAD EXAMIANS APP
Theory of Structures A steel plate d × b is sandwiched rigidly between two timber joists each D × B/2 in section. The steel will be (where Young’s modulus of steel is m times that of the timber). BD³ + mbd³)/6D] BD² + mbd²)/6D] BD² + mbd²)/4D] BD² + mbd³)/4D] BD³ + mbd³)/6D] BD² + mbd²)/6D] BD² + mbd²)/4D] BD² + mbd³)/4D] 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 0.0025 0.001 0.002 0.003 0.0025 0.001 0.002 0.003 ANSWER DOWNLOAD EXAMIANS APP
Theory of Structures In the truss, the force in the member AC is t compressive t tensile 6.25 t compressive 8.75 t tensile t compressive t tensile 6.25 t compressive 8.75 t tensile ANSWER DOWNLOAD EXAMIANS APP