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Petroleum Refinery Engineering

Petroleum Refinery Engineering
Doctor's solution used for sweetening of petroleum products is

Sodium thiosulphate
Sodium plumbite
Lead sulphate
Sodium sulphite

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Petroleum Refinery Engineering
The colour of gasoline is an indication of its

Gum forming tendency & thoroughness of refining
Octane number
None of these
Lead susceptibility

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Petroleum Refinery Engineering
Reforming

Does not much affect the molecular weight of the feed
Uses naphtha as feedstock
All of these
Improves the quality & yield of gasoline

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Petroleum Refinery Engineering
Pick out the additive property of a lube oil out of following.

°API gravity
Specific gravity
Viscosity
Flashpoint

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Petroleum Refinery Engineering
Operating condition in the electrical dehydrators for crude oil is about

20 kgf/cm² & 110°C
6.5 kgf/Cm² & 95°C
1 atm. & 110 °C
50 atm. and 150°C

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Petroleum Refinery Engineering
Aniline point of the diesel is a measure of its __________ content.

Olefin
Naphthene
Paraffin
Aromatic

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