Q. A compound bar consists of two bars of equal length. Steel bar cross-section is 3500 mm² and that of brass bar is 3000 mm². These are subjected to a compressive load 100,000 N. If Eb = 0.2 MN/mm² and Eb = 0.1 MN/mm², the stresses developed are:

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Q. Flat spiral springs

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Q. By applying the static equations i.e. ΣH = 0, ΣV = 0 and ΣM = 0, to a determinate structure, we may determine

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Q. The ratio of the length and diameter of a simply supported uniform circular beam which experiences maximum bending stress equal to tensile stress due to same load at its mid span, is

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Q. If a solid shaft (diameter 20 cm, length 400 cm, N = 0.8 x 10⁵ N/mm²) when subjected to a twisting moment, produces maximum shear stress of 50 N/mm², the angle of twist in radians, is

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Q. The forces in the members of simple trusses, may be analysed by

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Q. A simply supported beam which carries a uniformly distributed load has two equal overhangs. To have maximum B.M. produced in the beam least possible, the ratio of the length of the overhang to the total length of the beam, is

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Q. At yield point of a test piece, the material

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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 :

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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

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Q. Pick up the correct statement from the following:

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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

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

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

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

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Q. Pick up the correct statement from the following:

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

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

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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

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

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