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Petroleum Refinery Engineering

Petroleum Refinery Engineering
Aromatics are desired constituents of

Lubricating oil
Diesel
Kerosene
Petrol

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Petroleum Refinery Engineering
During electrical desalting of crude oil, the electrical conductivity of a mixture of crude oil and water (which ranges between 3 to 8% water) __________ with increase in the amount of water.

Decreases linearly
Increases
Remains unchanged
Decreases

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Petroleum Refinery Engineering
__________ chloride present in crude petroleum as impurity is the most prolific producer of HCl during distillation.

Magnesium
Potassium
Sodium
Calcium

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Petroleum Refinery Engineering
Casing head gasoline is the liquid

Butane
Propane
Gasoline separated from wet natural gas by compression
Natural gas

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Petroleum Refinery Engineering
Maximum sulphur percentage in low sulphur heavy stock (LSHS) furnace oil is about

3.5
2.5
0.1
1

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Petroleum Refinery Engineering
Which of the following is desirable in petrol (gasoline) but undesirable in kerosene?

Naphthenic acid
Aromatics
Paraffins
Mercaptans

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