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1. |
A metal bar of 10 mm diameter when subjected to a pull of 23.5 kN gave an elongation of 0.3 mm on a gauge length of 200 mm. The Young's modulus of elasticity of the metal will nearly be |
A. | 200 kN/mm2 |
B. | 300 kN/mm2 |
C. | 360 kN/mm2 |
D. | 400 kN/mm2 |
Answer» B. 300 kN/mm2 | |