There are two hinged semicircular arches A, B and C of radii 5 m, 7.5 m and 10 m respectively and each carries a concentrated load W at their crowns. The horizontal thrust at their supports will be in the ratio of 1 : 1½ : 2 1 : 1 : 2 2 : 1½ : 1 None of these TRUE ANSWER : ? YOUR ANSWER : ?
The locus of the moment of inertia about inclined axes to the principal axis, is Parabola Circle Straight line Ellipse TRUE ANSWER : ? YOUR ANSWER : ?
a uniform circular bar of diameter d and length , which extends by an The deflection of amount under a tensile pull , when it carries the same load at its mid-span, is ee²l/3d² el²/3d² el/2d e²l²/3d² TRUE ANSWER : ? YOUR ANSWER : ?
Y are the bending moment, moment of inertia, radius of curvature, modulus of If M, I, R, E, F, and elasticity stress and the depth of the neutral axis at section, then M/I = E/R = F/Y M/I = E/R = Y/F M/I = R/E = F/Y I/M = R/E = F/Y TRUE ANSWER : ? YOUR ANSWER : ?
In case of a simply supported rectangular beam of span L and loaded with a central load W, the length of elasto-plastic zone of the plastic hinge, is L/5 L/4 L/2 L/3 TRUE ANSWER : ? YOUR ANSWER : ?
Maximum shear stress theory for the failure of a material at the elastic limit, is known Guest's or Trecas' theory St. Venant's theory Haig's theory Rankine's theory TRUE ANSWER : ? YOUR ANSWER : ?
A masonry dam (density = 20,000 N/m³) 6 m high, one metre wide at the top and 4 m wide at the base, has vertical water face. The minimum stress at the base of the dam when the reservoir is full, will be 75000 N/m² 750 N/m² 75 N/m² 7500 N/m² TRUE ANSWER : ? YOUR ANSWER : ?
Shear strain energy theory for the failure of a material at elastic limit, is due to Von Mises Rankine St. Venant Guest or Trecas TRUE ANSWER : ? YOUR ANSWER : ?
The eccentricity (e) of a hollow circular column, external diameter 25 cm, internal diameter 15 cm for an eccentric load 100 t for non-development of tension, is 2.75 cm 3.50 cm 3.00 cm 4.25 cm TRUE ANSWER : ? YOUR ANSWER : ?