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Petroleum Refinery Engineering

Petroleum Refinery Engineering
The solvent used in Barisol dewaxing process is

Furfural
Benzol and ethylene dichloride
Methyl ethyl ketone (MEK)
Hexane

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Petroleum Refinery Engineering
Hydrocracking employs

High pressure and low temperature
High pressure & temperature
Low pressure & temperature
High temperature and low pressure

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Petroleum Refinery Engineering
Straight run petrol as compared to methyl/ethyl alcohol has

Lower calorific value
Higher ignition temperature
Lower octane number
Higher specific gravity

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Petroleum Refinery Engineering
Aromatics have the highes __________ of all the hydrocarbons of same carbon atoms.

Octane number
Smoke point
Viscosity
Cetane number

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Petroleum Refinery Engineering
Smoke point of a good burning kerosene may be around __________ mm.

100-120
0-5
60-75
20-25

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Petroleum Refinery Engineering
Dearomatisation of kerosene (by liquid sulphur dioxide extraction) is done to

Improve its oxidation stability
Increase its smoke point
None of these
Decrease the breathing loss

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