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A 1.25 cm diameter steel bar is subjected to a load of 2500 kg. The stress induced. in the bar will be (a) 200 MPa (b) 210 MPa (c) 220 MPa (d) 230 MPa |
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Answer» Correct option is (a) 200 MPa Axial stress, σ = \(\cfrac PA\) = \(\cfrac{2500\times9.81}{\cfrac{\pi}4(12.5)^2}\) = 200 MPa |
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