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Petroleum Refinery Engineering

Petroleum Refinery Engineering
Paraffins are desirable in lubricating oil, as it has got high

Smoke point
Viscosity index
Viscosity
Pour point

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Petroleum Refinery Engineering
Mercapsol and Unisol processes are meant for the

Dewaxing
Decoloration
Removal of mercaptans
Dearomatisation of kerosene

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Petroleum Refinery Engineering
Stabilisation of gasoline (petrol) means

Improving its lead susceptibility
Increasing its vapour pressure
Increasing its oxidation stability
Removal of dissolved gases from it

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Petroleum Refinery Engineering
Cracking is

An exothermic reaction
An endothermic reaction
Favoured at very low temperature
None of these

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Petroleum Refinery Engineering
Molecular weight of petrol may be about

350-400
40-60
100-130
250-300

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Petroleum Refinery Engineering
The proper arrangement of the petroleum fractions in order of their boiling points is

Lubricating oil > petrol > diesel > LPG
Petrol > lubricating oil > diesel > LPG
Petrol > diesel > LPG > lubricating oil
Lubricating oil > diesel > petrol > LPG

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