Discussion
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- Question
In petroleum refining, the process used for conversion of hydrocarbons to aromatics is
Options- A. catalytic cracking
- B. catalytic reforming
- C. hydrotreating
- D. alkylation
- Correct Answer
- catalytic reforming
- 1. 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
- 2. Flash point of motor gasoline may be around __________ °C.
Options- A. 10
- B. 45
- C. 100
- D. 150 Discuss
- 3. Solvent used in the deasphalting process is
Options- A. furfurol
- B. phenol
- C. propane
- D. hexane Discuss
- 4. 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. Discuss
- 5. 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
- 6. 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
- 7. Diesel used in naval applications has a minimum cetane number of
Options- A. 25
- B. 35
- C. 45
- D. 65 Discuss
- 8. Visbreaking process is used mainly for making
Options- A. high cetane diesel
- B. high octane gasoline
- C. fuel oil
- D. smoke free kerosene Discuss
- 9. Octane number of gasoline is a measure of its
Options- A. resistance to knock.
- B. ignition delay.
- C. ignition temperature.
- D. smoke point. Discuss
- 10. Mercaptans are
Options- A. low boiling sulphur compounds.
- B. added in LPG cylinders to detect gas leakage by its smell.
- C. undesirable in petrol, as they reduce its octane number.
- D. all (a), (b) and (c) Discuss
Petroleum Refinery Engineering problems
Search Results
Correct Answer: gum forming tendency & thoroughness of refining.
Correct Answer: 45
Correct Answer: propane
Correct Answer: feedstock for fluid catalytic cracking unit.
Correct Answer: aromatics
Correct Answer: 1
Correct Answer: 45
Correct Answer: fuel oil
Correct Answer: resistance to knock.
Correct Answer: all (a), (b) and (c)
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