Q. If Z and I are the section modulus and moment of inertia of the section, the shear force F and bending moment M at a section are related by

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Q. A closely coiled helical spring of radius R, contains n turns and is subjected to an axial load W. If the radius of the coil wire is r and modulus of rigidity of the coil material is C, the deflection of the coil is

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Q. The width of a beam of uniform strength having a constant depth d length L, simply supported at the ends with a central load W is

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Q. The maximum deflection of a simply supported beam of length L with a central load W, is

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Q. Shear deflection of a cantilever of length L, cross sectional area A and shear modulus G, subjected to w/m u.d.l., is

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Q. Simple bending equation is

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Q. If a circular beam of diameter d experiences a longitudinal strain P/E and a lateral strain 2P/mE , the volumetric strain is

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Q. If b is the width of a plate joined by diamond riveting of diameter d, the efficiency of the joint is given by

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Q. The B.M. diagram of the beam shown in below figure, is

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Q. If S is the shear force at a section of an I-joist, having web depth d and moment of inertia I about its neutral axis, the difference between the maximum and mean shear stresses in the web is,

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Q. A solid circular shaft of diameter d is subjected to a torque T. The maximum normal stress induced in the shaft, is

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Q. If p is the internal pressure in a thin cylinder of diameter d and thickness t, the developed hoop stress, is

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Q. Maximum deflection of a

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Q. The maximum deflection of

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Q. If two tensile forces mutually perpendicular act on a rectangular parallelopiped bar are equal, the resulting elongation of the pipe, is

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Q. As compared to uniaxial tension or compression, the strain energy stored in bending is only

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Q. The ratio of strengths of solid to hollow shafts, both having outside diameter D and hollow having inside diameter D/2, in torsion, is

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Q. The weakest section of a diamond riveting, is the section which passes through

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Q. In a loaded beam, the point of con-traflexture occurs at a section where

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Q. A simply supported beam of span L carries a concentrated load W at its mid-span. The maximum bending moment M is

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