The maximum magnitude of shear stress due to shear force F on a rectangular section of area A at the neutral axis, is F/A F/2A 2F/3A 3F/2A TRUE ANSWER : ? YOUR ANSWER : ?
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 TRUE ANSWER : ? YOUR ANSWER : ?
For determining the support reactions at A and B of a three hinged arch, points B and Care joined and produced to intersect the load line at D and a line parallel to the load line through A at D’. Distances AD, DD’ and AD’ when measured were 4 cm, 3 cm and 5 cm respectively. The angle between the reactions at A and B is 30° 45° 60° 90° TRUE ANSWER : ? YOUR ANSWER : ?
For the close coil helical spring of the maximum deflection is WD3n/d4N 2WD3n/d4N 4W²D3n/d4N 8WD3n/d4N TRUE ANSWER : ? YOUR ANSWER : ?
A simply supported beam A carries a point load at its mid span. Another identical beam B carries the same load but uniformly distributed over the entire span. The ratio of the maximum deflections of the beams A and B, will be 8/5 3/2 5/8 2/3 TRUE ANSWER : ? YOUR ANSWER : ?
If a three hinged parabolic arch, (span l, rise h) is carrying a uniformly distributed load w/unit length over the entire span, All of these S.F. will be zero throughout B.M. will be zero throughout Horizontal thrust is wl2/8h TRUE ANSWER : ? YOUR ANSWER : ?
Pick up the incorrect statement from the following: The torsional resistance of a shaft is directly proportional to Angle of twist Reciprocal of the length of the shaft Moment of inertia of the shaft section Modulus of rigidity TRUE ANSWER : ? YOUR ANSWER : ?
Principal planes are subjected to Normal stresses as well as tangential stresses Tangential stresses only Normal stresses only None of these TRUE ANSWER : ? YOUR ANSWER : ?
A simply supported beam which carries a uniformly distributed load has two equal overhangs. To have maximum B.M. produced in the beam least possible, the ratio of the length of the overhang to the total length of the beam, is 0.207 0.307 0.407 0.508 TRUE ANSWER : ? YOUR ANSWER : ?
A cantilever of length 2 cm and depth 10 cm tapers in plan from a width 24 cm to zero at its free end. If the modulus of elasticity of the material is 0.2 × 106 N/mm², the deflection of the free end, is 5 mm 2 mm 3 mm 4 mm TRUE ANSWER : ? YOUR ANSWER : ?