Question

Lubricating grease is a solid to semi-solid dispersion of a thickening agent in a liquid lubricant.

(a) True

(b) False

I got this question in final exam.

I would like to ask this question from Classification of Lubricating System in section Engine Friction and Lubrication of IC Engine

Answer 1

The correct answer is:

(a) True

Lubricating grease is indeed a solid to semi-solid dispersion of a thickening agent (such as soap) in a liquid lubricant (usually oil). The thickening agent helps to maintain the grease's consistency, allowing it to stay in place and provide lubrication for longer periods, especially in applications where liquid oils would be unsuitable.