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Petroleum Refinery Engineering

Petroleum Refinery Engineering
Feed for reforming is generally

Reduced crude
Atmospheric gas oil
Vacuum gas oil
Naphtha or straight run gasoline

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Petroleum Refinery Engineering
In a refinery petroleum crude is fractionated into gas fraction, light ends, intermediate distillates, heavy distillates, residues and by products. The group of products including gas oil, diesel oil and heavy fuel oil belongs to the fraction

Heavy distillates
Residues
Intermediate distillates
Light ends

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Petroleum Refinery Engineering
Feedstock for polymerisation is

Naphtha
Low boiling aromatics
Cracked gases rich in C₂ & C₄ olefins
None of these

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Petroleum Refinery Engineering
Dearomatisation of kerosene (by liquid sulphur dioxide extraction) is done to

Increase its smoke point
Decrease the breathing loss
Improve its oxidation stability
None of these

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Petroleum Refinery Engineering
The characterisation factor of a crude oil is calculated as 12.5. It means that; it is

Naphthenic
Paraffinic
Intermediate
None of these

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Petroleum Refinery Engineering
The main aim of cracking is to produce

Gasoline
Lube oil
Petrolatum
Coke

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