Q. A close coil helical spring of mean diameter D consists of n coils of diameter d. If it carries an axial load W, the energy stored in the spring, is

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Q. The maximum deflection of a simply supported beam of span L, carrying an isolated load at the centre of the span ; flexural rigidity being EI, is

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Q. 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

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Q. A shaft is subjected to bending moment M and a torque T simultaneously. The ratio of the maximum bending stress to maximum shear stress developed in the shaft, is

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Q. The ratio of the deflections of the free end of a cantilever due to an isolated load at l/3rd and 2/3rd of the span, is

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Q. If Q is load factor, S is shape factor and F is factor of safety in elastic design, the following:

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Q. In plastic analysis, the shape factor for a triangular section, is

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Q. Pick up the correct statement from the following:

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Q. The tangential component of stress on an plane inclined θ° to the direction of the force, may be obtained by multiplying the normal stress by

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Q. 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

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Q. 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

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Q. A load of 1960 N is raised at the end of a steel wire. The minimum diameter of the wire so that stress in the wire does not exceed 100 N/mm² is :

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Q. In plastic analysis, the shape factor for rectangular section, is

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Q. 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

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Q. A truss containing j joints and m members, will be a simple truss if

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Q. The assumption in the theory of bending of beams, is :

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Q. The shape factor of standard rolled beam section varies from

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Q. Shear strain energy theory for the failure of a material at elastic limit, is due to

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Q. The point of contraflexure is the point where

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Q. The normal component of a force inclined through θ° is obtained by multiplying the force by

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