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- Question
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
- Correct Answer
- Reforming
- 1. 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
- 2. Petroleum coke is commercially produced by the __________ process.
Options- A. hydrocracking
- B. visbreaking
- C. fluid catalytic cracking
- D. delayed coking Discuss
- 3. Both asphalt and wax are produced by __________ base crude oils.
Options- A. naphthenic
- B. asphalt
- C. paraffin
- D. mixed Discuss
- 4. Name the endothermic reaction out of the following:
Options- A. Catalytic cracking.
- B. Hydrocracking.
- C. Dehydrogeneration of naphthene to produce aromatic.
- D. Catalytic polymerisation. Discuss
- 5. Mercapsol and Unisol processes are meant for the
Options- A. dearomatisation of kerosene
- B. removal of mercaptans
- C. dewaxing
- D. decoloration Discuss
- 6. Catalyst used in the isomerisation is
Options- A. aluminium chloride
- B. alumina
- C. nickel
- D. phosphoric acid Discuss
- 7. 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
- 8. 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. Discuss
- 9. 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
- 10. 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
Petroleum Refinery Engineering problems
Search Results
Correct Answer: is highly paraffinic.
Correct Answer: delayed coking
Correct Answer: mixed
Correct Answer: Dehydrogeneration of naphthene to produce aromatic.
Correct Answer: removal of mercaptans
Correct Answer: aluminium chloride
Correct Answer: manufacture of carbon electrode.
Correct Answer: Paraffins have lower smoke point than aromatics.
Correct Answer: low final boiling point product
Correct Answer: aqueous solution (10% water) of diethylene glycol.
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