Theory of Structures If Q is load factor, S is shape factor and F is factor of safety in elastic design, the following: Q = S × F Q = S – F Q = F – S Q = S + F Q = S × F Q = S – F Q = F – S Q = S + F 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 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 Its mean diameter will decrease ANSWER DOWNLOAD EXAMIANS APP
Theory of Structures The vertical reaction for the arch is wa²/2l wa/2l wa/l wl/a wa²/2l wa/2l wa/l wl/a 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 35 N 30 N 40 N 25 N 35 N 30 N 40 N ANSWER DOWNLOAD EXAMIANS APP
Theory of Structures A steel bar 5 m × 50 mm is loaded with 250,000 N. If the modulus of elasticity of the material is 0.2 MN/mm² and Poisson’s ratio is 0.25, the change in the volume of the bar is: 1.125 cm³ 4.125 cm² 3.125 cm³ 2.125 cm³ 1.125 cm³ 4.125 cm² 3.125 cm³ 2.125 cm³ ANSWER DOWNLOAD EXAMIANS APP
Theory of Structures The ratio of maximum shear stress to average shear stress of a circular beam, is 3/2 4/7 4/3 2/3 3/2 4/7 4/3 2/3 ANSWER DOWNLOAD EXAMIANS APP