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- Question
Alkylation
Options- 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.
- Correct Answer
- causes olefins to combine with iso-paraffins.
- 1. Polymerisation
Options- 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. Discuss
- 2. Raw Kerosene has a smoke point of 15 mm. After it is subjected to dearomatisation by liquid SO2 extraction (Edeleanu process), its smoke point may become __________ mm.
Options- A. 5
- B. 10
- C. 25
- D. 100 Discuss
- 3. Naphtha yield in straight run distillation of crude oil may be about __________ percent.
Options- A. 2
- B. 6
- C. 12
- D. 18 Discuss
- 4. Natural gasoline is produced
Options- A. from oil wells
- B. in oil refineries
- C. by natural gas stripping
- D. none of these Discuss
- 5. Research octane number refers to the
Options- A. low octane number motor fuels.
- B. high octane number motor fuels.
- C. high octane number aviation fuels.
- D. unleaded motor fuels. Discuss
- 6. Presence of sulphur in gasoline
Options- A. leads to corrosion.
- B. increases lead susceptibility.
- C. decreases gum formation.
- D. helps during stabilisation. Discuss
- 7. In case of liquid petrofuels, momentary combustion is observed at its
Options- A. flash point.
- B. preheating temperature corresponding to viscosity of 25 centistokes.
- C. flame temperature.
- D. fire point. Discuss
- 8. In sweetening process, solutizer agent used with caustic alkali is
Options- A. potassium isobutyrate
- B. sodium plumbite
- C. methanol
- D. phenol Discuss
- 9. Molecular weight of crude oil is in the range of
Options- A. 100-120
- B. 230-250
- C. 450-550
- D. 600-850 Discuss
- 10. Which one is preferred for aircraft engine?
Options- A. High viscosity index lube oil.
- B. Low viscosity index lube oil.
- C. High freezing point aviation fuel.
- D. None of these. Discuss
Petroleum Refinery Engineering problems
Search Results
Correct Answer: causes olefins to combine with each other.
Correct Answer: 25
Correct Answer: 6
Correct Answer: by natural gas stripping
Correct Answer: unleaded motor fuels.
Correct Answer: leads to corrosion.
Correct Answer: flash point.
Correct Answer: potassium isobutyrate
Correct Answer: 230-250
Correct Answer: High viscosity index lube oil.
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