Q. Hard peening is

  • (A) hammering the weld across the length while the joint is hot
  • (B) hammering the weld along the length while the joint is hot
  • (C) hammering the weld along the length while the joint is cold
  • (D) hammering the weld across the length while the joint is cold
💬 Discuss
✅ Correct Answer: (B) hammering the weld along the length while the joint is hot
Explanation: hammering is doe to relieve stresses and inducing compressive stresses to improve the fatigue strength of the joint.

Published by Mr. Dubey ⭐ 111.54K Points at 15-Sep-2023 12:28 am in Design of Machine Elements

Explanation by: Mr. Dubey
hammering is doe to relieve stresses and inducing compressive stresses to improve the fatigue strength of the joint.

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