Mineral oils (e.g. petroleum oils) are preferred over fatty oils (e.g. mustard oil, ghee, tallow, palm oil, olive oil etc.) as a lubricant due to its________?

________ is not an important refinery process for upgrading the quality of lubricating oil?

Ability of a material to ________ is indicated by its damping capacity?

________ extractor is used for the concentration of radioactive nuclear waste?

What is the ratio of the velocity at the axis of the pipe to the mean velocity of flow in case of pipe flow under viscous condition?

Joule-Thomson effect i.e., a throttling process is a constant ________ process?