Chemical Engineering - Petroleum Refinery Engineering

11. 

Alkylation

A. causes olefins to combine with each other.
B. causes olefins to combine with iso-paraffins.
C. converts iso-paraffin into olefin.
D. converts olefin into paraffin.

Answer: Option B

Explanation:

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12. 

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

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

Answer: Option C

Explanation:

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13. 

Petroleum coke is used mainly .in the

A. discoloration of yellow glycerine.
B. sugar refining.
C. manufacture of carbon electrode.
D. blast furnace for reduction of iron ore.

Answer: Option C

Explanation:

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14. 

Pick out the wrong statement.

A. Multigrade lubricating oils have high viscosity index.
B. Paraffinic oil has very high viscosity index.
C. Naphthenic oil has very low viscosity index.
D. High viscosity index means a large change in viscosity with change in temperature.

Answer: Option D

Explanation:

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15. 

Research octane number refers to the

A. low octane number motor fuels.
B. high octane number motor fuels.
C. high octane number aviation fuels.
D. unleaded motor fuels.

Answer: Option D

Explanation:

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