Q. A steel bar 5 m x 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 :

View solution

Q. 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 x 10⁶ N/mm², the deflection of the free end, is

View solution

Q. Pick up the correct statement from the following:

View solution

Q. A simply supported rolled steel joist 8 m long carries a uniformly distributed load over it span so that the maximum bending stress is 75 N/mm². If the slope at the ends is 0.005 radian and the value of E = 0.2 x 10⁶ N/mm², the depth of the joist, is

View solution

Q. The strain energy stored in a spring when subjected to greatest load without being permanently distorted, is called

View solution

Q. If a three hinged parabolic arch, (span l, rise h) is carrying a uniformly distributed load w/unit length over the entire span,

View solution

Q. Co-efficient of wind resistance of a circular surface, is

View solution

Q. Pick up the correct statement from the following:

View solution

Q. The ratio of moments of inertia of a triangular section about its base and about a centroidal axis parallel to its base, is

View solution

Q. The equivalent length of a column of length L, having both the ends hinged, is

View solution

Q. A steel rod of sectional area 250 sq. mm connects two parallel walls 5 m apart. The nuts at the ends were tightened when the rod was heated to 100°C. If αsteel = 0.000012/C°, Esteel = 0.2 MN/mm², the tensile force developed at a temperature of 50°C, is

View solution

Q. The ratio of circumferential stress to the longitudinal stress in the walls of a cylindrical shell, due to flowing liquid, is

View solution

Q. The locus of reaction of a two hinged semi-circular arch, is

View solution

Q. The ratio of the area of cross-section of a circular section to the area of its core, is

View solution

Q. The yield moment of a cross section is defined as the moment that will just produce the yield stress in

View solution

Q. The ratio of shear stress and shear strain of an elastic material, is

View solution

Q. The ratio of the maximum deflections of a simply supported beam with a central load W and of a cantilever of same length and with a load W at its free end, is

View solution

Q. The greatest load which a spring can carry without getting permanently distorted, is called

View solution

Q. A three hinged arch is generally hinged at its supports and

View solution

Q. 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

View solution