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Petroleum Refinery Engineering

Petroleum Refinery Engineering
Octane number of n-heptane is assumed to be

100
0
∞
70

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

Diolefins
Paraffins
Naphthenes
Aromatics

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Petroleum Refinery Engineering
Pyrolysis of kerosene or natural gasoline is done to produce mainly the

Diesel
Stabilised gasoline
Olefins and aromatics
Lighter paraffins

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Petroleum Refinery Engineering
Most widely used solvent for dewaxing is

Naphtha
Methyl-ethyl-ketone (MEK)
Petroleum ether
Sodium plumbite

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Petroleum Refinery Engineering
Smoke point of kerosene expresses its

Lamp wick wetting characteristics
Aromatic content directly
Burning characteristics
Luminosity characteristics

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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

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

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