A square column carries a load P at the centroid of one of the quarters of the square. If a is the side of the main square, the combined bending stress will be 2p/a² p/a² 4p/a² 3p/a² TRUE ANSWER : ? YOUR ANSWER : ?
The assumption in the theory of bending of beams is: Young’s modulus is same in tension as well as in compression Material is isotropic Material is homogeneous All of these TRUE ANSWER : ? YOUR ANSWER : ?
Inertia of a rectangular section of width and depth about an axis passing the moment of through C.G. and parallel to its width is BD³/12 BD³/6 BD²/6 B²D/6 TRUE ANSWER : ? YOUR ANSWER : ?
In plastic analysis, the shape factor for rectangular section, is 1.4 1.5 1.6 1.7 TRUE ANSWER : ? YOUR ANSWER : ?
If E, N, K and 1/m are modulus of elasticity, modulus of rigidity. Bulk modulus and Poisson ratio of the material, the following relationship holds good E = 2N (1 + 1/m) All of these (3/2)K (1 – 2/m) = N (1 + 1/m) E = 3K (1 – 2/m) TRUE ANSWER : ? YOUR ANSWER : ?
The greatest load which a spring can carry without getting permanently distorted, is called Proof resilience Proof stress Proof load Stiffness 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 2/3 8/5 5/8 3/2 TRUE ANSWER : ? YOUR ANSWER : ?
A steel rod 1 metre long having square cross section is pulled under a tensile load of 8 tonnes. The extension in the rod was 1 mm only. If Esteel = 2 × 106 kg/cm², the side of the rod, is 2.5 cm 2 cm 1 cm 1.5 cm TRUE ANSWER : ? YOUR ANSWER : ?
The ratio of the stresses produced by a suddenly applied load and by a gradually applied load on a bar, is 1/4 2 1/2 1 TRUE ANSWER : ? YOUR ANSWER : ?
The yield moment of a cross section is defined as the moment that will just produce the yield stress in The neutral fibre of the section The outer most fibre of the section The fibre everywhere The inner most fibre of the section TRUE ANSWER : ? YOUR ANSWER : ?