EXAMIANS
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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An isolated load W is acting at a distance a from the left hand support, of a three hinged arch of span 2l and rise h hinged at the crown, the horizontal reaction at the support, is
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Stress may be expressed in Newtons
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Slenderness ratio of a long column, is
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If a solid shaft (diameter 20 cm, length 400 cm, N = 0.8 × 105 N/mm²) when subjected to a twisting moment, produces maximum shear stress of 50 N/mm 2, the angle of twist in radians, is
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P = 4π² EI/L² is the equation of Euler's crippling load if
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At yield point of a test piece, the material
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The ratio of shear stress and shear strain of an elastic material, is
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A truss containing j joints and m members, will be a simple truss if
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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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