Petroleum Refinery Engineering
'Solvent naphtha' used mostly as a solvent in paints and perfumery is produced by the __________ of virgin naphtha into small boiling range cuts.

Steam reforming
Distillation
Desulphurisation
None of these

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Petroleum Refinery Engineering
Asphalts are

Readily oxidisable and form carbonaceous sludge
. Low molecular weight & low boiling point compounds present in petroleum
All of these
Desirable in catalytic cracking feedstock, because they produce coke

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