EXAMIANS
A close coil helical spring of mean diameter D consists of n coils of diameter d. If it carries an axial load W, the energy stored in the spring, 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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In plastic analysis, the shape factor for rectangular section, 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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Slenderness ratio of a long column, is
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The maximum bending moment for a simply supported beam with a uniformly distributed load w/unit length, is
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Beams composed of more than one material, rigidly connected together so as to behave as one piece, are known as
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section modulus of a square section of side B and that of a circular section of the ratio of the diameter D, is
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The eccentricity (e) of a hollow circular column, external diameter 25 cm, internal diameter 15 cm for an eccentric load 100 t for non-development of tension, is
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A material is said to be perfectly elastic if
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