Question

what are lubricants?Give 2 examples?​

Answer 1

Explanation:

Common examples of internal lubricants include fatty alcohols, esters (low esterification), and EVA wax. External lubricants provide metal release and help reduce process temperature. Common examples of external lubricants include PE waxes, paraffin, metal soaps, esters (high esterification), amides, and fatty acids.

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Answer 2

Answer:

A lubricant is a substance introduce to reduce friction between surfaces in mutual contacts, which ultimately reduces the heat generated when the surfaces move. it may also have the function of transmitting force, transporting

foreign particles, on heating or cooling the substance. the property of reducing friction is called lubricity..

for ex. petrol , kerosene,etc