What are the functions of a lubricant?

The factions of lubricants are as follows-

  • It reduces frictional; resistance between metallic surfaces.
  • It reduces maintenance and running cost of machines.
  • It reduces local heating of sliding metal shut down conditions by avoiding direct contact with atmospheric gases with the machine parts.
  • It acts as a seal preventing entry of dirt, dust and moisture.
  • It acts as a coolant in transformers, drilling and cutting of metals by tools.
  • It acts as a cleaning agent to wash off solid particles produced combustion.
  • It acts as a hydraulic fluid in aircraft.

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