Theory of Structures The equivalent length is of a column of length having both the ends fixed, is l 2 L L L/2 l 2 L L L/2 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 W²L/AE WL/2AE W²L/2AE WL/AE W²L/AE WL/2AE W²L/2AE WL/AE 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). BD² + mbd³)/4D] BD² + mbd²)/4D] BD² + mbd²)/6D] BD³ + mbd³)/6D] BD² + mbd³)/4D] BD² + mbd²)/4D] BD² + mbd²)/6D] BD³ + mbd³)/6D] ANSWER DOWNLOAD EXAMIANS APP
Theory of Structures A spring of mean radius 40 mm contains 8 action coils of steel (N = 80000 N/mm²), 4 mm in diameter. The clearance between the coils being 1 mm when unloaded, the minimum compressive load to remove the clearance, is 25 N 40 N 35 N 30 N 25 N 40 N 35 N 30 N 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 0.003 0.0025 0.002 0.001 0.003 0.0025 0.002 ANSWER DOWNLOAD EXAMIANS APP
Theory of Structures The stiffness of the close coil helical spring is 8D3N/d4n d4N/4D3n d4N/8D3n 4D3N/d4n 8D3N/d4n d4N/4D3n d4N/8D3n 4D3N/d4n ANSWER DOWNLOAD EXAMIANS APP