Chemical Engineering - Petroleum Refinery Engineering

1. 

Which of the following has the highest gum forming tendency in gosoline ?

A. Paraffins
B. Diolefins
C. Aromatics
D. Naphthenes

Answer: Option B

Explanation:

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2. 

Higher viscosity of lubricating oil usually signifies

A. lower Reid vapour pressure.
B. higher acid number.
C. higher flash point and fire point.
D. lower flash point and fire point.

Answer: Option C

Explanation:

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3. 

Aniline point test of an oil qualitatively indicates the __________ content of an oil.

A. paraffin
B. olefin
C. aromatic
D. naphthene

Answer: Option C

Explanation:

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4. 

Which of the following processes in oil refinery does not employ 'cracking' ?

A. Coking
B. Visbreaking
C. Pyrolysis
D. None of these

Answer: Option D

Explanation:

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5. 

Bottom product of atmospheric pressure crude oil distillation column is termed as

A. reduced crude
B. heavy ends
C. asphalt
D. residuum

Answer: Option A

Explanation:

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