Mechanical Engineering :: Strength of Materials
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A reinforced cement concrete beam is considered to be made of
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The radius of the Mohr 's circle in the given figure is equal to
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The extension of a circular bar tapering uniformly from diameter d1 at one end to diameter d2 at the other end, and subjected to an axial pull of P is given by
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The ratio of bulk modulus to Young's modulus for a Poisson's ratio of 0.25 will be
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The bending moment diagram for a cantilever beam of length l and carrying a gradually varying load from zero at the free end and w per unit length at the fixed end is a parabolic curve.
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When a body is subjected to bi-axial stress i.e. direct stresses (σx) and (σy) in two mutually perpendicular planes accompanied by a simple shear stress (τxy), then minimum normal stress is
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On one side of a neutral axis of a beam, there is a tensile stress and on the other side of the beam there is a compressive stress.
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When a body is subjected to a direct tensile stress (σ), the maximum normal stress is equal to the direct tensile stress.
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According to Euler's column theory, the crippling load for a column length (l) hinged at both ends, is