Chemical Engineering - Petroleum Refinery Engineering

16. 

Absolute vapor pressure of petrofuels is found by Reid bomb which is heated in water bath to 100°F. In Reid apparatus, the ratio of the volume of air chamber to that of the liquid fuel chamber is

A. 1
B. 2
C. 3
D. 4

Answer: Option D

Explanation:

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17. 

Doctor's solution used for sweetening of petroleum products is

A. sodium plumbite
B. sodium sulphite
C. sodium thiosulphate
D. lead sulphate

Answer: Option A

Explanation:

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18. 

Smoke point of kerosene expresses its

A. burning characteristics.
B. luminosity characteristics.
C. aromatic content directly.
D. lamp wick wetting characteristics.

Answer: Option A

Explanation:

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19. 

The characterisation factor of a crude oil is calculated as 12.5. It means that; it is

A. paraffinic
B. naphthenic
C. intermediate
D. none of these

Answer: Option A

Explanation:

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20. 

Which of the following has the highest octane number ?

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

Answer: Option A

Explanation:

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