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Petroleum Refinery Engineering

Petroleum Refinery Engineering
Which of the following fractions of petroleum contains maximum sulphur?

Naphtha
Atmospheric residue
Diesel
Gasoline

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

Mercaptans
Naphthenic acid
Aromatics
Paraffins

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Petroleum Refinery Engineering
The most commonly used feed stock for the reforming reactor is

Casing head gasoline
Residuum
Heavy fuel oil
Straight run gasdine

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Petroleum Refinery Engineering
Higher pressure in the reforming reactor

Increases the rate of reaction
None of these
Increases coke formation
Produces high octane number gasoline

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Petroleum Refinery Engineering
Which of the following is an additive used for improving the cetane number of diesel?

Tetraethyl lead
None of these
Ethyl nitrate or acetone
Tetramethyllead

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Petroleum Refinery Engineering
Removal of light fractions from crude oil is called its

Visbreaking
Dehydration
Sweetening
Stabilisation

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