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Petroleum Refinery Engineering

Petroleum Refinery Engineering
Deoiling is the process of removal of oil from wax. It is done by the __________ process.

Sweating
All of these
Solvent extraction
Resettling

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Petroleum Refinery Engineering
The proper arrangement of the petroleum fractions in order of their boiling points is

Petrol > lubricating oil > diesel > LPG
Lubricating oil > diesel > petrol > LPG
Petrol > diesel > LPG > lubricating oil
Lubricating oil > petrol > diesel > LPG

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Petroleum Refinery Engineering
Bottom product of atmospheric pressure crude oil distillation column is termed as

Heavy ends
Asphalt
Residuum
Reduced crude

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Petroleum Refinery Engineering
Paraffins are desirable in lubricating oil, as it has got high

Viscosity index
Viscosity
Pour point
Smoke point

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Petroleum Refinery Engineering
Clay treatment of petroleum products

All of these
Desulphurise straight run gasoline & kerosene
Decolorises & stabilises cracked gasoline
Adsorb arsenic from feedstock to catalytic reforming

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Petroleum Refinery Engineering
With increase in the number of carbon and hydrogen atoms in hydrocarbon molecules, the density of petroleum products

Decreases
Remains same
Unpredictable from the data
Increases

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