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Petroleum Refinery Engineering

Petroleum Refinery Engineering
Solvent used in Edeleanu process is

Phenol
Propane
Furfural
Liquid SO₂

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Petroleum Refinery Engineering
Molecular weight of crude oil is in the range of

100-120
230-250
600-850
450-550

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Petroleum Refinery Engineering
The doctor's solution comprises of sodium plumbite in

Alcohal
Soda ash
Water
Aqueous caustic soda

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

Acid
Alkali
Clay
Solvent extraction

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Petroleum Refinery Engineering
Furfural solvent extraction is used for upgrading (by dissolving aromatics)

Naphtha
Cracking feedstock
Lubricating oils
Wax

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Petroleum Refinery Engineering
Raw Kerosene has a smoke point of 15 mm. After it is subjected to dearomatisation by liquid SO₂ extraction (Edeleanu process), its smoke point may become __________ mm.

100
25
10
5

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