Q. At low temperatures (say 75°C) the notched-bar impact value of steel

  • (A) increases markedly
  • (B) decreases markedly
  • (C) remains same
  • (D) depends on heat treatment carried out
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✅ Correct Answer: (B) decreases markedly

Published by Vinay Kumar ⭐ 8.55K Points at 15-May-2023 08:47 pm in Machine Design

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