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- Question
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
- Correct Answer
- residuum
- 1. LPG stands for
Options- A. liquid petroleum gas
- B. liquified petrol gas
- C. liquid petrol gas
- D. liquefied petroleum gas Discuss
- 2. 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). Discuss
- 3. 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
- 4. 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
- 5. Which is the most desirable component of a good quality kerosene?
Options- A. i-paraffins
- B. Aromatics
- C. n-paraffins
- D. Naphthenes Discuss
- 6. Which of the following petroleum products contain minimum sulphur?
Options- A. Naphtha
- B. Kerosene
- C. LSHS
- D. Furnace oil Discuss
- 7. Molecular weight of petrol may be about
Options- A. 40-60
- B. 100-130
- C. 250-300
- D. 350-400 Discuss
- 8. 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
- 9. __________ base crude oil is also called asphaltic crude.
Options- A. Paraffinic
- B. Naphthenic
- C. Mixed
- D. Aromatic Discuss
- 10. Which of the following theories of origin of petroleum does not explain the presence of nitrogen & sulphur compounds in crude oil?
Options- A. Modern theory
- B. Carbide theory
- C. Engler theory
- D. all (a), (b) and (c) Discuss
Petroleum Refinery Engineering problems
Search Results
Correct Answer: liquefied petroleum gas
Correct Answer: all (a), (b) & (c).
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: Naphtha
Correct Answer: 100-130
Correct Answer: gasoline obtained has very high aromatic content.
Correct Answer: Naphthenic
Correct Answer: Carbide theory
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