The maximum height of a masonry dam of a triangular section whose base width is b and specific gravity s, is
If the strain energy stored per unit volume in a hollow shaft subjected to a pure torque when t attains maximum shear stress fs the ratio of inner diameter to outer diameter, is
A lift of weight W is lifted by a rope with an acceleration f. If the area of cross-section of the rope is A, the stress in the rope is
The ratio of shear stress and shear strain of an elastic material, is
A cantilever of length 2 cm and depthcm tapers in plan from a widthcm 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
The strain energy stored in a spring when subjected to greatest load without being permanently distorted, is called
A compound bar consists of two bars of equal length. Steel bar cross-section ismm2 and that of brass bar ismm2. These are subjected to a compressive load 100,N. If Eb = 0.2 MN/mm2 and Eb = 0.1 MN/mm2, the stresses developed are:
Pick up the correct statement from the following:
If a three hinged parabolic arch, (span l, rise h) is carrying a uniformly distributed load w/unit length over the entire span,
The greatest load which a spring can carry without getting permanently distorted, is called
The locus of reaction of a two hinged semi-circular arch, is
Flat spiral springs
A simply supported rolled steel joist 8 m long carries a uniformly distributed load over it span so that the maximum bending stress isN/mm2. If the slope at the ends is 0.radian and the value of E = 0.2 x 106 N/mm2, the depth of the joist, is
A steel rod of sectional areasq. 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
The ratio of the area of cross-section of a circular section to the area of its core, is
The yield moment of a cross section is defined as the moment that will just produce the yield stress in
The ratio of moments of inertia of a triangular section about its base and about a centroidal axis parallel to its base, is
The ratio of circumferential stress to the longitudinal stress in the walls of a cylindrical shell, due to flowing liquid, is
A three hinged arch is generally hinged at its supports and
A simply supported uniform rectangular bar breadth b, depth d and length L, carries an isolated load W at its mid-span. The same bar experiences an extension e under same tensile load. The ratio of the maximum deflection to the elongation, is
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