Petroleum Refinery Engineering
Petrolatum is

Petroleum coke
A mixture of microcrystalline wax in viscous hydrocarbon liquids
None of these
Same as petroleum ether

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Petroleum Refinery Engineering
In catalytic cracking, the

Gasoline obtained has very high amount of gum forming compounds
Gasoline obtained has a very low octane number
Pressure & temperature is very high
Gasoline obtained has very high aromatic content

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