Mechanical Engineering :: Strength of Materials
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The torsional rigidity of a shaft is expressed by the torque required to produce a twist of one radian per unit length of a shaft.
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When a body is subjected to a direct tensile stress (σx) in one plane accompanied by a simple shear stress (τxy ), the minimum normal stress is
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The stress developed in the material without any permanent set is called
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For riveting, the size of hole drilled in plates is __________ shank diameter of rivet.
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When a bar is subjected to a change of temperature and its deformation is prevented, the stress induced in the bar is
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For a given stress, the ratio of moment of resistance of a beam of square cross-section when placed with its two sides horizontal to the moment of resistance with its diagonal horizontal, is
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The Young's modulus of a material is 125 GPa and Poissons ratio is 0.25. The modulus of rigidity of me material is
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The layer at the centre of gravity of the beam as shown in the below figure, will be
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If the modulus of elasticity for a given material is twice its modulus of rigidity, then bulk modulus is equal to
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A simply supported beam 'A' of length l, breadth b and depth d carries a central point load W. Another bream 'B' has the same length and breadth but its depth is doubled. The deflection of beam 'B' will be double as compared to beam 'A'.
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