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How many mechanisms are there for lubrication?

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How many mechanisms are there for lubrication?

(a) 1

(b) 2

(c) 3

(d) 4

I have been asked this question by my school principal while I was bunking the class.

The doubt is from Mechanism of Lubrication topic in chapter Lubricants of Applied Chemistry

1 Answer

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Best answer
Right option is (c) 3

To explain I would say: There are three mechanisms are there for lubrication. They are thin film lubrication, thick film lubrication and extreme pressure lubrication. The thick pressure lubrication is also called as fluid film or hydro dynamic lubrication. The thin film lubrication is also called as boundary lubrication.

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