Chemical Engineering - Petroleum Refinery Engineering
Exercise :: Petroleum Refinery Engineering - Section 6
| 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:
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| 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:
|
| 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:
|
| 9. |
Both asphalt and wax are produced by __________ base crude oils. |
| A. |
naphthenic | | B. |
asphalt | | C. |
paraffin | | D. |
mixed |
Answer: Option D
Explanation:
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| 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:
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