Physics · Manufacturing Engineering
Hand peening is a method in which the weld zone is hammered along the length with the peen of a hammer while the joint is hot. Which of the following statements correctly specify the reasons for hand peening? I. It induces tensile residual stresses. II. It induces compressive residual stresses. III. It improves the fatigue life of the joint. IV. It makes the joint leak-proof.
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 1Statements I, II, III, and IV are correct
- 2Statements I, II, and III are correct, but IV is incorrect
- 3Statements II and III are correct, but I and IV are incorrect✓
- 4Statements I and II are correct, but III and IV are incorrect
Correct answer
Statements II and III are correct, but I and IV are incorrect
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