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Problem:

The wear between metal surfaces

1) is reduced if surface films are present

2) is increased by the presence of surface films

3) Is independent of the presence of surface films

4) Will change because surface films decrease the surface roughness

5) In the presence of surface films is not of important because only clean metals are implanted

Provide the correct answer and justification for your choice.

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  • Category:- Biology
  • Reference No.:- M91166390

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