Get Started
2502

Q:

Which lubricant is used for heavy machines? 

  • 1
    Bauxite
  • 2
    Phosphorus
  • 3
    Graphite
  • 4
    Silicon oil
  • Show Answer
  • Workspace

Answer : 3. "Graphite "

Previous Next
GK General Science Questions

The Most Comprehensive Exam Preparation Platform

Get the Examsbook Prep App Today