Chemical Engineering - Petroleum Refinery Engineering

6. 

In catalytic alkylation, higher iso-butane to olefin ratio gives

A. low final boiling point product
B. higher yield
C. both (a) and (b)
D. neither (a) nor (b)

Answer: Option A

Explanation:

No answer description available for this question. Let us discuss.

7. 

In case of liquid petrofuels, momentary combustion is observed at its

A. flash point.
B. preheating temperature corresponding to viscosity of 25 centistokes.
C. flame temperature.
D. fire point.

Answer: Option A

Explanation:

No answer description available for this question. Let us discuss.

8. 

Polymerisation

A. produces i-octane from cracked gases containing i-butane and butene.
B. causes olefins to combine with each other.
C. causes aromatics to combine with each other.
D. is aimed at producing lubricating oil.

Answer: Option B

Explanation:

No answer description available for this question. Let us discuss.

9. 

Both asphalt and wax are produced by __________ base crude oils.

A. naphthenic
B. asphalt
C. paraffin
D. mixed

Answer: Option D

Explanation:

No answer description available for this question. Let us discuss.

10. 

Which one is preferred for aircraft engine ?

A. High viscosity index lube oil.
B. Low viscosity index lube oil.
C. High freezing point aviation fuel.
D. None of these.

Answer: Option A

Explanation:

No answer description available for this question. Let us discuss.