Chemical Engineering - Petroleum Refinery Engineering

31. 

The amount of tetraethyl lead added to improve the octane number of motor gasoline is around __________ c.c per gallon of petrol.

A. 3
B. 300
C. 3000
D. 1000

Answer: Option A

Explanation:

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32. 

Which of the following is the most widely used cracking process in oil refineries ?

A. Dubbs process.
B. T.C.C. moving bed process.
C. Fluidised bed catalytic cracking process.
D. Houdry's fixed bed process.

Answer: Option C

Explanation:

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33. 

Catalyst used in the catalytic polymerisation is

A. phosphoric acid on kieselghur
B. aluminium chloride
C. nickel
D. vanadium pentaoxide

Answer: Option A

Explanation:

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34. 

Petroleum liquid fuels having flash point greater than 66°C is considered as safe during storage and handling. Which of the following has flash point > 66°C ?

A. Naphtha
B. Petrol
C. Kerosene
D. Heavy fuel oil

Answer: Option D

Explanation:

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35. 

The solvent used in Barisol dewaxing process is

A. hexane
B. furfural
C. benzol and ethylene dichloride
D. methyl ethyl ketone (MEK)

Answer: Option C

Explanation:

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