EXAMIANS
If a three hinged parabolic arch, (span l, rise h) is carrying a uniformly distributed load w/unit length over the entire span,
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The shape factor of standard rolled beam section varies from
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The ratio of the length and depth of a simply supported rectangular beam which experiences maximum bending stress equal to tensile stress, due to same load at its mid span, is
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A compound bar consists of two bars of equal length. Steel bar cross -section is 3500 mm²and that of brass bar is 3000 mm². These are subjected to a compressive load 100,000 N. If Eb = 0.2 MN/mm² and Eb = 0.1 MN/mm², the stresses developed are:
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The ratio of the stresses produced by a suddenly applied load and by a gradually applied load on a bar, is
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A bar L metre long and having its area of cross-section A, is subjected to a gradually applied tensile load W. The strain energy stored in the bar is
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For calculating the allowable stress of long columns σ0 = σy/n [1 - a (1/r)²]is the empirical formula, known as
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For a strongest rectangular beam cut from a circular log, the ratio of the width and depth, is
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The ratio of the area of cross-section of a circular section to the area of its core, is
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A body is said to be in equilibrium if
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