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- Question
Dearomatisation of kerosene (by liquid sulphur dioxide extraction) is done to
Options- A. increase its smoke point.
- B. improve its oxidation stability.
- C. decrease the breathing loss.
- D. none of these.
- Correct Answer
- improve its oxidation stability.
- 1. Petrolatum is
Options- A. same as petroleum ether.
- B. petroleum coke.
- C. a mixture of microcrystalline wax in viscous hydrocarbon liquids.
- D. none of these. Discuss
- 2. Catalyst used in catalytic polymerisation which produces polymer gasoline is
Options- A. H2SO4
- B. H3PO4
- C. both (a) and (b)
- D. AlCl3 Discuss
- 3. Crude oil is transported inland from oil field to refineries, mainly by the
Options- A. road tankers
- B. rail tankers
- C. underground pipelines
- D. none of these Discuss
- 4. The most widely used crude topping column in refineries is the __________ column.
Options- A. bubble-cap
- B. packed bed
- C. fluidised bed
- D. perforated plate Discuss
- 5. Preheating temperature of medium viscosity furnace oil for better atomisation through burner is about __________ °C.
Options- A. 50
- B. 70
- C. 90
- D. 140 Discuss
- 6. Testing of the knocking characteristics of petrofuels is done in a __________ engine.
Options- A. Carnot
- B. CFR (Co-operative fuel research)
- C. Stirling
- D. diesel Discuss
- 7. Mercaptans is represented as (where R and R' are alkyl groups)
Options- A. R-COOH
- B. R-S-H
- C. R-S-R
- D. R-S-R' Discuss
- 8. Name the hydrocarbon having the poorest oxidation stability.
Options- A. naphthene
- B. olefin
- C. paraffin
- D. aromatics Discuss
- 9. Glycol added to petrol acts as a/an __________ agent.
Options- A. anti-knocking
- B. anti-icing
- C. anti-gum forming
- D. dewaxing Discuss
- 10. Electrical desalting of crude oil removes the __________ impurities.
Options- A. oleophilic
- B. oleophobic
- C. both (a) and (b)
- D. neither (a) nor (b) Discuss
Petroleum Refinery Engineering problems
Search Results
Correct Answer: a mixture of microcrystalline wax in viscous hydrocarbon liquids.
Correct Answer: both (a) and (b)
Correct Answer: underground pipelines
Correct Answer: bubble-cap
Correct Answer: 90
Correct Answer: CFR (Co-operative fuel research)
Correct Answer: R-S-H
Correct Answer: aromatics
Correct Answer: anti-icing
Correct Answer: oleophobic
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