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- Question
Which of the following categories of gasoline has the highest lead susceptibility?
Options- A. Straight run gasoline
- B. Platinum reformed gasoline
- C. Catalytical cracked gasoline
- D. Polymer gasoline
- Correct Answer
- Straight run gasoline
- 1. Solvent used for dewaxing of petroleum products are
Options- A. furfural
- B. methyl ethyl ketone (MEK)
- C. propane
- D. both(b)&(c) Discuss
- 2. Olefins are
Options- A. saturated hydrocarbons.
- B. unsaturated cyclic compounds (hydrocarbons).
- C. present in substantially good quantity in crude petroleum.
- D. none of these. Discuss
- 3. Gasoline extracted from natural gas (by compression and cooling) is called the __________ gasoline.
Options- A. polymer
- B. unleaded
- C. casing head
- D. straight run Discuss
- 4. Pick out the wrong statement.
Options- A. Higher specific gravity of petroleum products means higher C/H ratio.
- B. Aromatics have lower specific gravity than corresponding paraffins.
- C. Hydrocarbons of low specific gravity (e.g, paraffins) possess the maximum thermal energy per unit volume.
- D. Hydrocarbons of high specific gravity (eg, aromatics) possess the maximum thermal energy per unit weight. Discuss
- 5. Pick out the wrong statement.
Options- A. Iso-paraffin crack faster than n-paraf-fin.
- B. Catalytic cracking is endothermic, but the regeneration of catalyst is exothermic.
- C. Rate of decomposition of olefins in catalytic cracking is slightly slower than the thermal cracking.
- D. None of these. Discuss
- 6. Molecular weight of crude petroleum may be around
Options- A. 50
- B. 250
- C. 1500
- D. 5000 Discuss
- 7. Straight run naphtha is converted into high octane number petrol (gasoline) by catalytic
Options- A. cracking
- B. polymerisation
- C. reforming
- D. isomerisation Discuss
- 8. Though increased pressure has a retarding effect on cracking reaction, yet in actual process, a positive pressure of 10-15 kgf/cm2 is maintained during cracking mainly to
Options- A. increase the yield of light distillates.
- B. suppress coke formation.
- C. enhance the octane number of gasoline.
- D. reduce gum content in gasoline. Discuss
- 9. A typical yield of diesel in straight run distillation of crude oil may be about __________ percent.
Options- A. 8
- B. 18
- C. 28
- D. 35 Discuss
- 10. Which one is used to determine the colour of petroleum products?
Options- A. Colour comparator
- B. Saybolt chromometer
- C. Cleveland apparatus
- D. None of these Discuss
Petroleum Refinery Engineering problems
Search Results
Correct Answer: propane
Correct Answer: none of these.
Correct Answer: unleaded
Correct Answer: Aromatics have lower specific gravity than corresponding paraffins.
Correct Answer: Catalytic cracking is endothermic, but the regeneration of catalyst is exothermic.
Correct Answer: 1500
Correct Answer: reforming
Correct Answer: suppress coke formation.
Correct Answer: 8
Correct Answer: Colour comparator
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