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- Question
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.
- Correct Answer
- act as an antioxidant.
- 1. 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
- 2. 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
- 3. The first crude oil refinery of India is located at
Options- A. Naharkatiya
- B. Digboi
- C. Kochin
- D. Madras Discuss
- 4. Butadiene is a/an
Options- A. di-olefin
- B. naphthene
- C. aromatic
- D. olefin Discuss
- 5. 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
- 6. Removal of light fractions from crude oil is called its
Options- A. sweetening
- B. dehydration
- C. stabilisation
- D. visbreaking Discuss
- 7. 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
- 8. Which of the following has the lowest flash point of all?
Options- A. Diesel
- B. Kerosene
- C. Petrol
- D. Furnace oil Discuss
- 9. Which of the following has the highest gum forming tendency in gosoline?
Options- A. Paraffins
- B. Diolefins
- C. Aromatics
- D. Naphthenes Discuss
- 10. Aniline point is the
Options- A. characteristic property of diesel & lubricating oils.
- B. measure of aromatic content of oil.
- C. both (a) and (b).
- D. neither (a) nor (b). Discuss
Petroleum Refinery Engineering problems
Search Results
Correct Answer: bomb method and lamp method.
Correct Answer: Higher temperature is employed in visbreaking than in thermal cracking.
Correct Answer: Digboi
Correct Answer: di-olefin
Correct Answer: 10 and 120
Correct Answer: stabilisation
Correct Answer: higher flash point and fire point.
Correct Answer: Petrol
Correct Answer: Diolefins
Correct Answer: both (a) and (b).
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