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). BD² + mbd²)/4D] BD³ + mbd³)/6D] BD² + mbd²)/6D] BD² + mbd³)/4D] BD² + mbd²)/4D] BD³ + mbd³)/6D] BD² + mbd²)/6D] BD² + mbd³)/4D] ANSWER DOWNLOAD EXAMIANS APP
Theory of Structures For calculating the allowable stress of long columns σ0 = σy/n [1 - a (1/r)²]is the empirical formula, known as Perry Parabolic formula Straight line formula Rankine Perry Parabolic formula Straight line formula Rankine ANSWER DOWNLOAD EXAMIANS APP
Theory of Structures The point of contraflexure is the point where S.F. is zero M. is minimum M. is maximum M. changes sign S.F. is zero M. is minimum M. is maximum M. changes sign ANSWER DOWNLOAD EXAMIANS APP
Theory of Structures The equivalent length of a column of length L having one end fixed and the other end free, is L L 2L L/2 L L 2L L/2 ANSWER DOWNLOAD EXAMIANS APP
Theory of Structures Pick up the correct statement from the following: If tensile stress is equal to axial stress, the section experiences compressive stress If tensile stress is less than axial stress, the section experiences compressive stress The moment of inertia is calculated about the axis about which bending takes place All of these If tensile stress is equal to axial stress, the section experiences compressive stress If tensile stress is less than axial stress, the section experiences compressive stress The moment of inertia is calculated about the axis about which bending takes place 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 0.002 0.003 0.0025 0.001 0.002 0.003 0.0025 ANSWER DOWNLOAD EXAMIANS APP