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Cutting oil is used while threading a pipe to:

I. lubricate the dies

II. help remove chips

III. provide cooling action


1. Only II and III
2. Only I and III
3. Only II
4. I, II and III

1 Answer

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Best answer
Correct Answer - Option 4 : I, II and III

Explanation:

The functions of cutting fluids, which often are also called coolants are:

  • To cool the tool and work piece
  • To reduce the friction by lubricating.
  • To protect the work against rusting
  • To improve the surface finish
  • To prevent the formation of built up edge
  • To wash away the chips from the cutting zone

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