Question

What is Precipitation Number?

Answer

Precipitation Number is the number of milliliters of asphaltic precipitate formed when 10 milliliters of petroleum lubricating oil is mixed with 90 milliliters of special quality petroleum naphtha.

Subscribe to our youtube channel!

Staying up to date on Question/Notes related to General knowledge, current affairs and are useful in Academic and Government Exams. More than 8000 video on our channel.