Petroleum Refinery Engineering
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Produces gasoline only
Is carried out at atmospheric pressure
Produces fuel oil of lower viscosity
Uses natural gas as feed

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Petroleum Refinery Engineering
Crude oil is subjected to vacuum distillation in the last stage, because

High purity products can be obtained thereby
Lighter/low boiling products are prone to thermal decomposition
None of these
High boiling point products like heavy fuel oil & lubricating oils are heat sensitive and may decompose

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