Petroleum Refinery Engineering
Penetration test determines the __________ of the grease.

Stiffness
Variation in viscosity with temperature
Service temperature
Lubricating properties (e.g. oilness)

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Petroleum Refinery Engineering
In catalytic cracking, the

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

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