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Petroleum Refinery Engineering

Petroleum Refinery Engineering
Octane number of gasoline is a measure of its

Ignition delay
Smoke point
Resistance to knock
Ignition temperature

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Petroleum Refinery Engineering
The average boiling point of aviation turbine fuel is closest to that of

LPG
Lubricating oils
Kerosene
Diesel

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Petroleum Refinery Engineering
Ethyl mercaptan is added to the Doctor negative LPG for facilitating the detection of its leakage (by bad odour) to the extent of about __________ ppm.

1
5000
10000
50

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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
Molecular weight
Both A & B
Neither A nor B

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Petroleum Refinery Engineering
Furfural solvent extraction is used for upgrading (by dissolving aromatics)

Cracking feedstock
Wax
Naphtha
Lubricating oils

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

Olefins and aromatics
Stabilised gasoline
Lighter paraffins
Diesel

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