Petroleum Refinery Engineering
Mercaptans are

Low boiling sulphur compounds
Added in LPG cylinders to detect gas leakage by its smell
Undesirable in petrol, as they reduce its octane number
All of these

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Petroleum Refinery Engineering
Aniline point is the temperature at which

Equal weight of aniline & the test sample are completely miscible
Equal volume of aniline & the test sample are completely miscible
Aniline vaporises
Equal weight of diesel & the aniline are completely miscible

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