Theory of Structures Questions

• 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 x 106 kg/cm2, the side of the rod, is
• Pick up the correct statement from the following:
• Principal planes are subjected to
• Keeping the depth d constant, the width of a cantilever of length l of uniform strength loaded with a uniformly distributed load w varies from zero at the free end and
• A concentrated load P is supported by the free end of a quadrantal ring AB whose end B is fixed. The ratio of the vertical to horizontal deflections of the end A, is
• If Q is load factor, S is shape factor and F is factor of safety in elastic design, the following:
• The total strain energy of a beam of length L, having moment of inertia of its section I, when subjected to a bending moment M, is
• 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
• The point of contraflexure is the point where
• A road of uniform cross-section A and length L is deformed by δ, when subjected to a normal force P. The Young's Modulus E of the material, is
• The locus of reaction of a two hinged semi-circular arch, is
• The forces in the members of simple trusses, may be analysed by
• By applying the static equations i.e. ΣH = 0, ΣV = 0 and ΣM = 0, to a determinate structure, we may determine
• The yield moment of a cross section is defined as the moment that will just produce the yield stress in
• An isolated load W is acting at a distance a from the left hand support, of a three hinged arch of span 2l and rise h hinged at the crown, the horizontal reaction at the support, is
• Flat spiral springs
• The equivalent length of a column of length L, having both the ends hinged, is
• For beams of uniform strength, if depth is constant,
• The ratio of moments of inertia of a triangular section about its base and about a centroidal axis parallel to its base, is
• A rectangular column shown in the given figure carries a load P having eccentricities ex and ev along X and Y axes. The stress at any point (x, y) is