Chemical Engineering Basics

Which of the following is not a characteristic observed in material failure by fatigue fracture ?

  • A. Plastic deformation of material does not occur
  • B. Initiation of crack from below the surface does not occur
  • C. Initation of crack occurs on the surface of the machine part
  • D. Presence of both rough & smooth zone with conchoidal markings in smooth zone of the surface
Answer: Option B.

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