EXAMIANS
The equivalent length of a column of length L, having both the ends hinged, is
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The locus of the end point of the resultant of the normal and tangential components of the stress on an inclined plane, is
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At yield point of a test piece, the material
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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 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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A material is said to be perfectly elastic if
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In case of a simply supported I-section beam of span L and loaded with a central load W, the length of elasto-plastic zone of the plastic hinge, is
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For beams of uniform strength, if depth is constant,
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A steel bar 5 m × 50 mm is loaded with 250,000 N. If the modulus of elasticity of the material is 0.2 MN/mm² and Poisson’s ratio is 0.25, the change in the volume of the bar is:
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For the close coil helical spring of the maximum deflection is
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