Define following: i) Oiliness ii) Volatility iii) Cloud point iv)Pour point

Define following: i) Oiliness ii) Volatility iii) Cloud point iv)Pour point
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Answer :

i) Oiliness: -It is defined as the power of an oil to maintain a continuous film under pressure while used a lubricant.

ii) Volatility: - “Volatility of oil is its tendency to vaporize with the increase in temperature.”

iii) Cloud point: It is defined as the temperature at which the oil becomes cloudy or hazy in appearance (due to separation of wax).

iv) Pour point: It is defined as the temperature at which oil ceases to flow or pour on cooling
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