Petroleum Refinery Engineering problems
- 1. Octane number of n-heptane is assumed to be
Options- A. 100
- B. 0
- C. 70
- D. ? Discuss
Correct Answer: 0
- 2. H/C ratio (by weight) for the same number of carbon atoms is the highest in case of
Options- A. aromatics
- B. paraffins
- C. olefins
- D. naphthenes Discuss
Correct Answer: naphthenes
- 3. High aniline point of a petrofuel (say diesel) indicates that
Options- A. it is highly aromatic in nature.
- B. it is highly paraffinic in nature.
- C. it has a very low diesel index.
- D. its ignition quality is very poor. Discuss
Correct Answer: it is highly paraffinic in nature.
- 4. Pick out the wrong statement.
Options- A. Alkylation produces a larger iso-paraf-fin (having higher octane number) from the reaction of an olefin with smaller iso-paraffin.
- B. Catalytic alkylation processes use HF, AlCl3 & H2SO4 as Catalysts.
- C. All the alkylation processes use very high temperature (> 1000°C).
- D. Gasoline having an octane number of 90 can be produced by alkylation process. Discuss
Correct Answer: All the alkylation processes use very high temperature (> 1000°C).
- 5. Flash point of a liquid petroleum fuel gives an idea about its
Options- A. volatility.
- B. explosion hazards characteristics.
- C. nature of boiling point diagram.
- D. all (a), (b) and (c) Discuss
Correct Answer: all (a), (b) and (c)
- 6. Platforming is a __________ process.
Options- A. moving bed
- B. fluidised bed
- C. non-regenerative & fixed bed
- D. regenerative Discuss
Correct Answer: non-regenerative & fixed bed
- 7. Iso-octane is used as a reference substance in the definition of octane number and it is assigned an octane number value of 100. Iso-octance is chemically known as
Options- A. ?-methyl naphthalene.
- B. 2-2-4 tri methyl pentane.
- C. 1, 3 butadiene.
- D. tetra methyl ethylene. Discuss
Correct Answer: 2-2-4 tri methyl pentane.
- 8. __________ chloride present in crude petroleum as impurity is the most prolific producer of HCl during distillation.
Options- A. Magnesium
- B. Potassium
- C. Calcium
- D. Sodium Discuss
Correct Answer: Magnesium
- 9. Sweetening of petroleum product means the removal of
Options- A. sulphur & its compounds
- B. water
- C. organic impurities
- D. wax Discuss
Correct Answer: sulphur & its compounds
- 10. The best method of determining sulphur in crude oil is by the __________ method.
Options- A. Kjeldah
- B. Duma
- C. Bomb calorimeter
- D. Junkar's calorimeter Discuss
Correct Answer: Bomb calorimeter
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