Discussion
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- Question
__________ base crude oil is also called asphaltic crude.
Options- A. Paraffinic
- B. Naphthenic
- C. Mixed
- D. Aromatic
- Correct Answer
- Naphthenic
- 1. 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
- 2. Molecular weight of petrol may be about
Options- A. 40-60
- B. 100-130
- C. 250-300
- D. 350-400 Discuss
- 3. Which of the following petroleum products contain minimum sulphur?
Options- A. Naphtha
- B. Kerosene
- C. LSHS
- D. Furnace oil Discuss
- 4. 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
- 5. LPG stands for
Options- A. liquid petroleum gas
- B. liquified petrol gas
- C. liquid petrol gas
- D. liquefied petroleum gas Discuss
- 6. 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
- 7. Which of the following factors does not govern the mechanism of petroleum formation from organic sources?
Options- A. pH of the soil
- B. Bacterial action
- C. Heat
- D. Pressure Discuss
- 8. Concentration of H2SO4 catalyst in alkyla-tion is kept between 90-98%, because H2SO4 having concentration
Options- A. less than 90% promotes polymerisation.
- B. more than 98% promotes cracking.
- C. both (a) and (b).
- D. neither (a) nor (b). Discuss
- 9. Which is an anticing compound?
Options- A. Amyl nitrate
- B. Alcohals
- C. Mercaptans
- D. Pyridine Discuss
- 10. Waxy crudes are treated with chemical additives mainly to
Options- A. depress its pour point
- B. dissolve wax
- C. precipitate wax
- D. remove wax Discuss
Petroleum Refinery Engineering problems
Search Results
Correct Answer: gasoline obtained has very high aromatic content.
Correct Answer: 100-130
Correct Answer: Naphtha
Correct Answer: residuum
Correct Answer: liquefied petroleum gas
Correct Answer: Carbide theory
Correct Answer: pH of the soil
Correct Answer: both (a) and (b).
Correct Answer: Alcohals
Correct Answer: depress its pour point
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