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:
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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:
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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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