Petroleum Refinery Engineering
Which one is preferred for aircraft engine?

Low viscosity index lube oil
High freezing point aviation fuel
High viscosity index lube oil
None of these

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Petroleum Refinery Engineering
In catalytic cracking, the

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

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