Carry away the heat produced in bearing
Prevent metal-to-metal contact and reduce friction
Prevent entry of foreign material i.e dust, dirt etc. in the bearing
Provide a cushion to a load and shocks
No change in viscosity due to variation in temperature
Reduces friction between machine parts
Takes up the surface pressure between sliding parts
Becomes thicker after prolonged use
The most important quality of any lubricant is Viscosity.
Mix soluble oil and water by pouring both simultaneously
Add water to the soluble oil
Add soluble oil to the water
None of the above
Adding soluble oil to the water is one of the best way for preparing an emulsion.
With high pressure jet
With a brush
With an oilcan
Either 'B' or 'C'
With high pressure jet is common method for applying cutting fluid on the tool point .