Chemical Engineering - Petroleum Refinery Engineering

31. 

Octane number (unleaded) of reformed gasoline may be upto

A. 60
B. 70
C. 80
D. 90

Answer: Option D

Explanation:

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32. 

Aniline point is a property of the

A. diesel
B. LPG
C. naphtha
D. gasoline

Answer: Option C

Explanation:

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33. 

Waxes present in petroleum products

A. can be separated out by distillation.
B. are not soluble in them.
C. crystallise out at low temperature.
D. decrease their viscosity.

Answer: Option C

Explanation:

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34. 

Which of the following has the lowest cetane number ?

A. Aromatics
B. i-paraffins
C. Naphthene
D. Olefins
E. n-paraffins

Answer: Option A

Explanation:

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35. 

Ethyl mercaptan is a/an __________ compound.

A. sulphur
B. nitrogen
C. oxygen
D. none of these

Answer: Option A

Explanation:

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