Question

what is lubricant? explain viscosity and cloud ?​

Answer 1

Answer:

Viscosity Index – The viscosity index, or VI, of a lubricant describes how the oil's viscosity changes as its temperature changes. ... Cloud Point – Petroleum-based lube oils contain dissolved wax. At a low enough temperature, referred to as the cloud point, this wax will separate from the oil and form wax crystals

Answer 2

Answer:

lubricant is like the oil which make the machine work easily its is the denser then water