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- Question
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.
- Correct Answer
- removal of dissolved gases from it.
- 1. 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
- 2. 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 Discuss
- 3. __________ converts n-paraffins to i-paraffins.
Options- A. Alkylation
- B. Polymerisation
- C. Isomerisation
- D. none of these Discuss
- 4. Catalyst used in catalytic reforming is
Options- A. platinum on alumina
- B. nickel
- C. iron
- D. aluminium chloride Discuss
- 5. 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
- 6. 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
- 7. 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
- 8. 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
- 9. Flash point of atmospheric distillation residue is determined by __________ apparates.
Options- A. Pensky-Martens (closed cup type).
- B. Abel.
- C. Cleveland (open cup type)
- D. none of these. Discuss
- 10. Viscosity index of a lubricating oil
Options- A. is the measure of its flash point.
- B. is the measure of variation of viscosity with temperature.
- C. should be low.
- D. none of these. Discuss
Petroleum Refinery Engineering problems
Search Results
Correct Answer: Both (a) and (b).
Correct Answer: sodium plumbite
Correct Answer: Isomerisation
Correct Answer: platinum on alumina
Correct Answer: white
Correct Answer: pipestill
Correct Answer: none of these.
Correct Answer: mercaptans
Correct Answer: Cleveland (open cup type)
Correct Answer: is the measure of variation of viscosity with temperature.
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