Chemical Engineering - Petroleum Refinery Engineering

21. 

Phenols are added in gasoline to

A. improve the octane number.
B. act as an antioxidant.
C. reduce its viscosity.
D. increase its pour point.

Answer: Option B

Explanation:

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22. 

The pressure (kg/cm2 ) and temperature (°C) maintained in electrical desalters for crude oil are respectively

A. 10 and 120
B. 1 and 200
C. 50 and 250
D. 10 and 300

Answer: Option A

Explanation:

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23. 

The average boiling point of aviation turbine fuel is closest to that of

A. lubricating oils
B. LPG
C. diesel
D. Kerosene

Answer: Option D

Explanation:

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24. 

Crude oil is transported inland from oil field to refineries, mainly by the

A. road tankers
B. rail tankers
C. underground pipelines
D. none of these

Answer: Option C

Explanation:

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25. 

Solvent used for dewaxing of petroleum products are

A. furfural
B. methyl ethyl ketone (MEK)
C. propane
D. both(b)&(c)

Answer: Option D

Explanation:

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