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A lubricating oil, when mixed with water is emulsified and loses its lubricating property.

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A lubricating oil, when mixed with water is emulsified and loses its lubricating property.

(a) True

(b) False

I have been asked this question during an interview.

This interesting question is from Properties of Lubrication in division Engine Friction and Lubrication of IC Engine

1 Answer

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by (65.4k points)

The correct answer is:

(a) True

When lubricating oil mixes with water and becomes emulsified, it loses its lubricating properties. Water can dilute the oil, reducing its viscosity and the ability to form a proper lubricating film, leading to increased friction and potential damage to engine components.

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