4) What is the ratio of soluble oil added to water to get non corrosive effect?

5) What is the purpose of using lubricant?

6) How the low speed gear is lubricated?

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?