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Petroleum Refinery Engineering

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.

5000
50
1
10000

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Petroleum Refinery Engineering
Which one of the following processes aims at producing higher yield of gaseous unsaturated hydrocarbons and aromatics like benzene & toluene?

Reforming
Hydrocracking
Pyrolysis
Alkylation

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Petroleum Refinery Engineering
Which of the following is the most widely used cracking process in oil refineries?

Dubbs process
T.C.C. moving bed process
Houdry's fixed bed process
Fluidised bed catalytic cracking process

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Petroleum Refinery Engineering
Illuminating characteristics of kerosene is expressed by its

Aromatic content
Smoke point
Luminosity number
Aniline point

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Petroleum Refinery Engineering
Straight run naphtha is converted into high octane number petrol (gasoline) by catalytic

Cracking
Isomerisation
Reforming
Polymerisation

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Petroleum Refinery Engineering
Clay treatment of petroleum products

All of these
Desulphurise straight run gasoline & kerosene
Adsorb arsenic from feedstock to catalytic reforming
Decolorises & stabilises cracked gasoline

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