M

Mr. Dubey • 100.64K Points
Coach

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
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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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