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- Question
Clay treatment of petroleum products
Options- A. decolorises & stabilises cracked gasoline.
- B. desulphurise straight run gasoline & kerosene.
- C. adsorb arsenic from feedstock to catalytic reforming.
- D. all (a), (b) & (c).
- Correct Answer
- all (a), (b) & (c).
- 1. Pour point of a petrofuel is
Options- A. multiple of 3°F.
- B. multiple of 5°F.
- C. 5°C below the temperature at which oil ceases to flow.
- D. none of these. Discuss
- 2. Fuel oil is subjected to visbreaking to reduce its
Options- A. pour point
- B. viscosity
- C. pressure drop on pumping
- D. all (a), (b) and (c) Discuss
- 3. Which is the most desirable component of a good quality kerosene?
Options- A. i-paraffins
- B. Aromatics
- C. n-paraffins
- D. Naphthenes Discuss
- 4. Pick out the wrong statement.
Options- A. Aromatics have higher specific gravity than paraffins,
- B. Gross calorific value (GCV) of petrofuels is equal to (12400 - 2100 ?2) where, ? is the specific gravity of the fuel at 15.5°C.
- C. Heavier petrofuels have higher GCV on weight basis (i.e., Kcal/kg) but lower GCV on volume basis (i.e., Kcal/litre).
- D. Higher specific gravity of petrofuels means higher C/H ratio. Discuss
- 5. The reservoir rock containing petroleum has
Options- A. low porosity
- B. high permeability
- C. high porosity
- D. both (b) and (c) Discuss
- 6. LPG stands for
Options- A. liquid petroleum gas
- B. liquified petrol gas
- C. liquid petrol gas
- D. liquefied petroleum gas Discuss
- 7. The terminology used for the bottom most product from the vacuum crude distillation unit is
Options- A. residual crude
- B. residuum
- C. reduced crude
- D. petrolatum Discuss
- 8. Which of the following petroleum products contain minimum sulphur?
Options- A. Naphtha
- B. Kerosene
- C. LSHS
- D. Furnace oil Discuss
- 9. Molecular weight of petrol may be about
Options- A. 40-60
- B. 100-130
- C. 250-300
- D. 350-400 Discuss
- 10. In catalytic cracking, the
Options- A. gasoline obtained has a very low octane number.
- B. pressure & temperature is very high.
- C. gasoline obtained has very high aromatic content.
- D. gasoline obtained has very high amount of gum forming compounds. Discuss
Petroleum Refinery Engineering problems
Search Results
Correct Answer: 5°C below the temperature at which oil ceases to flow.
Correct Answer: all (a), (b) and (c)
Correct Answer: n-paraffins
Correct Answer: Heavier petrofuels have higher GCV on weight basis (i.e., Kcal/kg) but lower GCV on volume basis (i.e., Kcal/litre).
Correct Answer: both (b) and (c)
Correct Answer: liquefied petroleum gas
Correct Answer: residuum
Correct Answer: Naphtha
Correct Answer: 100-130
Correct Answer: gasoline obtained has very high aromatic content.
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