Discussion
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- Question
The main use of heavy gas oil produced by the vacuum distillation unit is as a
Options- A. blending component for kerosene.
- B. blending component for petrol.
- C. feedstock for fluid catalytic cracking unit.
- D. none of these.
- Correct Answer
- feedstock for fluid catalytic cracking unit.
- 1. Smoke point of a test sample of kerosene is found to be 15 mm. On removal of __________ from it, the smoke point rises to 25 mm.
Options- A. n-paraffins
- B. olefins
- C. aromatics
- D. none of these Discuss
- 2. Catalytic desulphurisation process used for sweetening of straight run gasoline and kerosene uses __________ as catalyst.
Options- A. bauxite
- B. fuller's earth
- C. activated clay
- D. all (a), (b) & (c) Discuss
- 3. Which of the following constituents present in petroleum is responsible for ash formation?
Options- A. Nitrogen compounds
- B. Organometallic compounds
- C. Sulphur compounds
- D. Oxygen compounds Discuss
- 4. Which of the following is used as a catalyst in fluidised bed catalytic cracking?
Options- A. Silica-magnesia
- B. Silica-alumina
- C. Bentonite clays
- D. All (a), (b) and (c) Discuss
- 5. Solvent used in duo-sol extraction for lube oil upgradation is a mixture of
Options- A. propane & phenol-cresol mixture.
- B. methyl ethyl ketone & glycol.
- C. phenol & furfural.
- D. propane & liquid sulphur dioxide. Discuss
- 6. Solvent used in the deasphalting process is
Options- A. furfurol
- B. phenol
- C. propane
- D. hexane Discuss
- 7. Flash point of motor gasoline may be around __________ °C.
Options- A. 10
- B. 45
- C. 100
- D. 150 Discuss
- 8. The colour of gasoline is an indication of its
Options- A. octane number.
- B. lead susceptibility.
- C. gum forming tendency & thoroughness of refining.
- D. none of these. Discuss
- 9. In petroleum refining, the process used for conversion of hydrocarbons to aromatics is
Options- A. catalytic cracking
- B. catalytic reforming
- C. hydrotreating
- D. alkylation Discuss
- 10. Maximum sulphur percentage in low sulphur heavy stock (LSHS) furnace oil is about
Options- A. 0.1
- B. 1
- C. 2.5
- D. 3.5 Discuss
Petroleum Refinery Engineering problems
Search Results
Correct Answer: aromatics
Correct Answer: all (a), (b) & (c)
Correct Answer: Sulphur compounds
Correct Answer: All (a), (b) and (c)
Correct Answer: propane & phenol-cresol mixture.
Correct Answer: propane
Correct Answer: 45
Correct Answer: gum forming tendency & thoroughness of refining.
Correct Answer: catalytic reforming
Correct Answer: 1
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