Chemical Engineering - Petroleum Refinery Engineering

16. 

Which of the following has the minimum °API gravity of all?

A. Diesel
B. Kerosene
C. Petrol
D. Furnace oil

Answer: Option D

Explanation:

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17. 

Higher pressure in the reforming reactor

A. increases coke formation.
B. increases the rate of reaction.
C. produces high octane number gasoline.
D. none of these.

Answer: Option D

Explanation:

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18. 

Gasoline yield in catalytic reforming of naphtha may be about __________ percent by weight.

A. 85
B. 65
C. 50
D. 98

Answer: Option A

Explanation:

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19. 

The main reaction in reforming is the

A. dehydrogenation of naphthenes.
B. hydrogenation of naphthenes.
C. hydrocracking of paraffins.
D. saturation of olefins.

Answer: Option A

Explanation:

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20. 

Carbon percentage (by weight) in crude petroleum may be about

A. 65
B. 75
C. 85
D. 95

Answer: Option C

Explanation:

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