7) What is the property of the lubricant that the vapour is given off from the oil? | What is the property of the lubricant that the vapour is given off from the oil?

8) Which system the wick feed lubrication is catagorized?

9) Which property states that the temperature of the lubricant is able to flow freely while poured?

10) What is the use of lubricant?

11) Which coolant oil is emulsified with water?