Discussion
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- Question
Pick out the correct statement.
Options- A. Paraffins have higher octane number than corresponding iso-paraffin.
- B. Paraffins have lower smoke point than aromatics.
- C. Suitability of kerosene as a fuel & as an illuminant may be determined by char value test.
- D. Aviation fuel should have very high cloud point.
- Correct Answer
- Paraffins have lower smoke point than aromatics.
- 1. Petroleum coke is used mainly .in the
Options- A. discoloration of yellow glycerine.
- B. sugar refining.
- C. manufacture of carbon electrode.
- D. blast furnace for reduction of iron ore. Discuss
- 2. Catalyst used in the isomerisation is
Options- A. aluminium chloride
- B. alumina
- C. nickel
- D. phosphoric acid Discuss
- 3. Which one of the following processes aims at producing higher yield of gaseous unsaturated hydrocarbons and aromatics like benzene & toluene?
Options- A. Reforming
- B. Pyrolysis
- C. Alkylation
- D. Hydrocracking Discuss
- 4. High aniline point of diesel indicates that, it
Options- A. is highly aromatic.
- B. has a large ignition delay.
- C. is highly paraffinic.
- D. has a low diesel index. Discuss
- 5. Petroleum coke is commercially produced by the __________ process.
Options- A. hydrocracking
- B. visbreaking
- C. fluid catalytic cracking
- D. delayed coking Discuss
- 6. In catalytic alkylation, higher iso-butane to olefin ratio gives
Options- A. low final boiling point product
- B. higher yield
- C. both (a) and (b)
- D. neither (a) nor (b) Discuss
- 7. Solvent used in the Udex (glycol) extraction process for removal of light aromatics from cracked naphtha is
Options- A. propane.
- B. diethylene glycol.
- C. aqueous solution (10% water) of diethylene glycol.
- D. methyl ethyl ketone (MEK). Discuss
- 8. In catalytic cracking process, olefins crack __________ times faster than in thermal cracking process.
Options- A. 100
- B. 200-300
- C. 1000-10000
- D. 10 Discuss
- 9. Crude petroleum oil is a __________ fuel.
Options- A. primary
- B. fossil
- C. both (a) & (b)
- D. secondary Discuss
- 10. Which of the following processes consumes hydrogen?
Options- A. Fluid catalytic cracking
- B. Visbreaking
- C. Propane deasphalting
- D. None of these Discuss
Petroleum Refinery Engineering problems
Search Results
Correct Answer: manufacture of carbon electrode.
Correct Answer: aluminium chloride
Correct Answer: Reforming
Correct Answer: is highly paraffinic.
Correct Answer: delayed coking
Correct Answer: low final boiling point product
Correct Answer: aqueous solution (10% water) of diethylene glycol.
Correct Answer: 1000-10000
Correct Answer: both (a) & (b)
Correct Answer: Fluid catalytic cracking
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