Civil Engineering :: Theory of Structures
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The forces acting normally on the cross section of a bar shown in the given figure
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If the normal stresses due to longitudinal and transverse loads on a bar are σ1 and σ2 respectively, the tangential component of the stress on an inclined plane through θ°, the longitudinal load is
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The ratio of the section modulus of a square section of side B and that of a circular section of diameter D, is
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The force in BC of the truss shown in the given figure, is
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The equivalent length of a column of length L, having one end fixed and other end hinged, is
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At any point of a beam, the section modulus may be obtained by dividing the moment of inertia of the section by
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For calculating the permissible stress \(\frac { \sigma y } { 1+a(1/r)^2 } \) is the emprical formula, known as
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The maximum height of a masonry dam of a triangular section whose base width is b and specific gravity s, is
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The load on a spring per unit deflection, is called
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In a shaft, the shear stress is not directly proportional to
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