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Mr. Dubey • 100.64K Points
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Q. Auto frettage is a

  • (A) extra cover provided on seamless pipes to increase their hoop stress
  • (B) a means of inducing favourable residual stresses in pressure vessels
  • (C) Increasing the diameter of threaded portion
  • (D) a heat treatment for pressure vessels subjected to low temperatures
  • Correct Answer - Option(B)
  • Views: 1006
  • Filed under category Machine Design
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