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- Question
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.
- Correct Answer
- unleaded motor fuels.
- 1. Octane numbers of motor gasoline used in India and America are respectively
Options- A. 87 & 94
- B. 94 && 87
- C. 94 && 100
- D. 83 && 100 Discuss
- 2. Hydrogen content in petroleum products varies from 12 to 15% (by weight). As a result the difference between gross and net heating value of petroleum fuels varies in the range of __________ kcal/kg.
Options- A. 600-750
- B. 250-350
- C. 1000-1500
- D. 2000-2500 Discuss
- 3. Which of the following additives improves the cetane number of diesel?
Options- A. Amyl nitrate
- B. Ethyl mercaptan
- C. Napthenic acid
- D. Tetra ethyl lead Discuss
- 4. Choose the correct statement.
Options- A. Coking tendency increases with increasing molecular weight.
- B. Coking tendency decreases with increasing molecular weight.
- C. Higher pressure enhances coke formation.
- D. Coking is an exothermic reaction. Discuss
- 5. Crude oils containing more than __________ kg of total salts (expressed in terms of NaCl) per thousand barrel is called a 'salty crude'.
Options- A. 1
- B. 5
- C. 15
- D. 25 Discuss
- 6. Natural gasoline is produced
Options- A. from oil wells
- B. in oil refineries
- C. by natural gas stripping
- D. none of these Discuss
- 7. Naphtha yield in straight run distillation of crude oil may be about __________ percent.
Options- A. 2
- B. 6
- C. 12
- D. 18 Discuss
- 8. 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
- 9. 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
- 10. 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. Discuss
Petroleum Refinery Engineering problems
Search Results
Correct Answer: 87 & 94
Correct Answer: 600-750
Correct Answer: Ethyl mercaptan
Correct Answer: Coking tendency increases with increasing molecular weight.
Correct Answer: 5
Correct Answer: by natural gas stripping
Correct Answer: 6
Correct Answer: 25
Correct Answer: causes olefins to combine with each other.
Correct Answer: causes olefins to combine with iso-paraffins.
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