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- Question
Solution used in Doctor's treatment for the removal of mercaptans is
Options- A. sodium hydroxide
- B. sodium plumbite
- C. cupric chloride
- D. potassium isobutyrate
- Correct Answer
- sodium plumbite
- 1. __________ converts n-paraffins to i-paraffins.
Options- A. Alkylation
- B. Polymerisation
- C. Isomerisation
- D. none of these Discuss
- 2. Catalyst used in catalytic reforming is
Options- A. platinum on alumina
- B. nickel
- C. iron
- D. aluminium chloride Discuss
- 3. Tanks used for the storage of petroleum products (which are inflammable) should be painted with a __________ paint.
Options- A. black
- B. white
- C. red
- D. yellow Discuss
- 4. The coking process normally mostly used in Indian oil refineries is the __________ coking process.
Options- A. delayed
- B. flexi
- C. fluid
- D. contact Discuss
- 5. Which of the following has the lowest viscosity (at a given temperature) of all?
Options- A. Naphtha
- B. Kerosene
- C. Diesel
- D. Lube oil Discuss
- 6. Pick out the undesirable property for a solvent meant for dewaxing of lube oil.
Options- A. Complete miscibility with oil.
- B. High solubility of wax in the solvent.
- C. Both (a) and (b).
- D. Neither (a) nor (b). Discuss
- 7. Stabilisation of gasoline (petrol) means
Options- A. removal of dissolved gases from it.
- B. increasing its oxidation stability.
- C. improving its lead susceptibility.
- D. increasing its vapour pressure. Discuss
- 8. Most commonly used crude heater before the fractionation tower in a refinery is the __________ heater.
Options- A. electric immersion
- B. pipestill
- C. steam coil
- D. none of these Discuss
- 9. True boiling point apparatus is used for the
Options- A. determination of characterisation factor.
- B. evaluation of oil stocks.
- C. determination of true vapour pressure.
- D. none of these. Discuss
- 10. Complete removal of __________ from gasoline is done by Unisol process using caustic soda and methyl alcohol.
Options- A. waxes
- B. mercaptans
- C. asphalt
- D. diolefins Discuss
Petroleum Refinery Engineering problems
Search Results
Correct Answer: Isomerisation
Correct Answer: platinum on alumina
Correct Answer: white
Correct Answer: delayed
Correct Answer: Naphtha
Correct Answer: Both (a) and (b).
Correct Answer: removal of dissolved gases from it.
Correct Answer: pipestill
Correct Answer: none of these.
Correct Answer: mercaptans
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