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Q: The yield strength of a mild steel specimen was found to be 250 N/mm². Taking a factor of safety of 2, the allowable working stress is:
  • A. 62.5 N/mm²
  • B. 250 N/mm²
  • C. 500 N/mm²
  • D. 125 N/mm²
Correct Answer: Option D -
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Explanations:

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