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Petroleum Refinery Engineering

Petroleum Refinery Engineering
Aromatics have the highes __________ of all the hydrocarbons of same carbon atoms.

Octane number
Cetane number
Smoke point
Viscosity

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Petroleum Refinery Engineering
CnH2n is the general formula for

Naphthenes
Both A & B
Olefins
Neither A nor B

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Petroleum Refinery Engineering
Which of the following reactions is undesirable in the production of catalytically reformed gasoline?

Dehydrocyclisation of higher paraffins
Isomerisation of paraffins
Dehydrogenation of lower paraffins
Dehydrogenation of naphthene

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Petroleum Refinery Engineering
Which of the following has the highest gum forming tendency in gosoline?

Naphthenes
Diolefins
Aromatics
Paraffins

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Petroleum Refinery Engineering
Which of the following is not a sulphur compound present in petroleum ?

Sulphones
Mercaptans
Thiophenes
Pyroles

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Petroleum Refinery Engineering
Refractive index of a petrofuel which is the ratio of velocity of light in air to its velocity in the petrofuel gives an indication if its

Molecular weight
Both A & B
Aromatics content
Neither A nor B

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