Petroleum Refinery Engineering
Viscosity index of a lubricating oil

Should be low
None of these
Is the measure of variation of viscosity with temperature
Is the measure of its flash point

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Petroleum Refinery Engineering
Aniline point is the temperature at which

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

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