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The operation in which oil is permeated into the pores of a powder metallurgy product is known as

  • A.Mixing
  • B.Sintering
  • C.Impregnation
  • D.Infiltration

Answer: C

If the pores in a sintered compact are filled with oil, the operation is called as impregnation. The lubricants are added to the porous bearings, gears and pump rotors etc.

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