Question

What viscosity of lubricant? How is it determined?

Answer 1

viscosity value of the sample can be measuredaccurately. Viscosity is an important indicator oflubricating oil and has an important impact on the performance of the lubricatingoil [1]. If the viscosity is too small, it is difficult to form a solid oil film, and then can not achieve the role of reducing friction.

The viscosity index (VI) is an arbitrary, unitless measure of the change of ... If the lubricant is too viscous, it will require a large amount of energy to move (as in honey); if it is too ...

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Answer 2

It decreases (thins) with increasing temperature and increases (or thickens) with decreased temperature. The benefits of oils with a higher viscosity is that a general increase in viscosity at higher temperatures results in lower oil consumption and less wear, which is profitable for the environment....