A steel has its yield strength of 200N/mm2 and modulus of elasticity o – McqOptions

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1.	A steel has its yield strength of 200N/mm2 and modulus of elasticity of 1x105MPa. Assuming the material to obey hookes law up to yielding, what will be its proof resilience ?
A.	0.8 N/mm<sup>2</sup>
B.	0.4 N/mm<sup>2</sup>
C.	0.2 N/mm<sup>2</sup>
D.	0.6 N/mm<sup>2</sup>
Answer» D. 0.6 N/mm<sup>2</sup>

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