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____________ is the lowest temperature at which the lubricating oil will pour.

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in IC Engine by (46.8k points)
____________ is the lowest temperature at which the lubricating oil will pour.

(a) Viscosity

(b) Pour point

(c) Fire point

(d) None of the mentioned

The question was posed to me in an international level competition.

My question comes from Properties of Lubrication topic in chapter Engine Friction and Lubrication of IC Engine

1 Answer

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by (65.4k points)

The correct answer is:

(b) Pour point

The pour point is the lowest temperature at which a lubricating oil will flow or pour. Below this temperature, the oil becomes too thick to move effectively, which can impair the engine's lubrication performance.

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