Why is lubricant needed?

+1 vote
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asked Oct 17, 2017 in Science by AMIT KUMAR (150 points) 6

1 Answer

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answered Oct 17, 2017 by Annu Priya (18,055 points) 24 45 84

Lubricant forms a protective film when it meets two surfaces rubbing together means engines need less oil, and saves the engine oil and engine.

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