M

Mr. Dubey • 100.64K Points
Coach Physics

Q. Which of the following is used as a lubricant in heavy machines?

  • (A) Graphite
  • (B) Bauxite
  • (C) Phosphorus
  • (D) Sulphur
  • Correct Answer - Option(A)
  • Views: 117
  • Filed under category Physics

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