Question

A good lubricant should have
1] High viscosity
2] moderate viscosity
3] low viscosity
4] High density​

Answer 1

Explanation:

Moderate viscosity.............

Answer 2

Answer:

Good lubricant must have high viscosity. So, that machine parts can do work better. Higher the viscosity of the lubricants the greater is its ability to provide boundary lubrication, which means a boundary between moving parts.

Explanation:

therefore therefore the answer is option 1