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- Question
The first crude oil refinery of India is located at
Options- A. Naharkatiya
- B. Digboi
- C. Kochin
- D. Madras
- Correct Answer
- Digboi
- 1. Butadiene is a/an
Options- A. di-olefin
- B. naphthene
- C. aromatic
- D. olefin Discuss
- 2. The pressure (kg/cm2 ) and temperature (°C) maintained in electrical desalters for crude oil are respectively
Options- A. 10 and 120
- B. 1 and 200
- C. 50 and 250
- D. 10 and 300 Discuss
- 3. Which is almost absent in crude petroleum?
Options- A. Olefins
- B. Mercaptans
- C. Naphthenes
- D. Cycloparaffins Discuss
- 4. Presence of aromatics in
Options- A. diesel increases its cetane number.
- B. kerosene increases its smoke point.
- C. petrol increases its octane number.
- D. all (a), (b) and (c). Discuss
- 5. Choose the correct statement regarding thermal cracking.
Options- A. Moderate changes in operating temperature does not change the depth of cracking.
- B. Increased residence time results in the decreased severity of cracking.
- C. At low pressure, the yield of lighter hydrocarbons are more.
- D. Greater depth of cracking gives lower octane number gasoline. Discuss
- 6. Pick out the wrong statement.
Options- A. Higher temperature is employed in visbreaking than in thermal cracking.
- B. Pyrolysis is a mild thermal cracking process.
- C. Lead suceptibility of petrol produced by catalytic process is more than that produced by thermal cracking.
- D. Operating pressure and temperature in thermal cracking process is more than that in catalytic cracking process. Discuss
- 7. Sulphur content in lighter and heavier petroleum products is generally determined respectively by
Options- A. lamp method and bomb method.
- B. bomb method and lamp method.
- C. bomb method and quartz tube method.
- D. quartz tube method and lamp method. Discuss
- 8. Phenols are added in gasoline to
Options- A. improve the octane number.
- B. act as an antioxidant.
- C. reduce its viscosity.
- D. increase its pour point. Discuss
- 9. Removal of light fractions from crude oil is called its
Options- A. sweetening
- B. dehydration
- C. stabilisation
- D. visbreaking Discuss
- 10. Higher viscosity of lubricating oil usually signifies
Options- A. lower Reid vapour pressure.
- B. higher acid number.
- C. higher flash point and fire point.
- D. lower flash point and fire point. Discuss
Petroleum Refinery Engineering problems
Search Results
Correct Answer: di-olefin
Correct Answer: 10 and 120
Correct Answer: Mercaptans
Correct Answer: petrol increases its octane number.
Correct Answer: Greater depth of cracking gives lower octane number gasoline.
Correct Answer: Higher temperature is employed in visbreaking than in thermal cracking.
Correct Answer: bomb method and lamp method.
Correct Answer: act as an antioxidant.
Correct Answer: stabilisation
Correct Answer: higher flash point and fire point.
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