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Petroleum Refinery Engineering

Petroleum Refinery Engineering
__________ treatment is done for appreciable improvement in viscosity index of lubricating oil.

Acid
Solvent extraction
Alkali
Clay

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Petroleum Refinery Engineering
Solvent used in the Udex (glycol) extraction process for removal of light aromatics from cracked naphtha is

Propane
Aqueous solution (10% water) of diethylene glycol
Methyl ethyl ketone (MEK)
Diethylene glycol

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Petroleum Refinery Engineering
A multigrade lubricating oil means an oil having high

Flash point
Viscosity index
Aniline point
Viscosity

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Petroleum Refinery Engineering
H/C ratio (by weight) for the same number of carbon atoms is the highest in case of

Naphthenes
Paraffins
Aromatics
Olefins

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Petroleum Refinery Engineering
The octane number of aviation gasoline may be

87
>100
79
97

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Petroleum Refinery Engineering
Methyl tertiary butyl ether (MTBE), a high octane (octane no. = 115) gasoline blending component is produced by the simple additive reaction of isobutylene with

Ethane
Methane
Ethyl alcohol
Methyl alcohol

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