Petroleum Refinery Engineering
Which of the following categories of gasoline has the highest lead susceptibility?

Catalytical cracked gasoline
Polymer gasoline
Platinum reformed gasoline
Straight run gasoline

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

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

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