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PETROLEUM REFINERY ENGINEERING

Petroleum Refinery Engineering
Aromatics are desired constituents of

Kerosene
Petrol
Diesel
Lubricating oil

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Petroleum Refinery Engineering
Catalytic cracking compared to thermal cracking of residue of vacuum distillation of crude oil

Higher gum forming material in petrol
Higher sulphur content in the product
Lower octane number of petrol
Gives higher yield of petrol

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Petroleum Refinery Engineering
The main use of heavy gas oil produced by the vacuum distillation unit is as a

None of these
Blending component for kerosene
Feedstock for fluid catalytic cracking unit
Blending component for petrol

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Petroleum Refinery Engineering
__________ determination is not a very significant and important test for gasoline.

Viscosity
Reid vapor pressure
Octane number
Gum & sulphur content

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Petroleum Refinery Engineering
Catalyst used in the catalytic cracking is

Vanadium pentoxide
Nickel
Silica gel
Silica-alumina

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