Discussion
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- Question
95% (by volume) of LPG at 760 mm Hg pressure will evaporate at __________ °C.
Options- A. 2
- B. -40
- C. 30
- D. 55
- Correct Answer
- 2
- 1. Petroleum
Options- A. is optically active.
- B. constitutes mainly of olefins.
- C. does not contain asphalt.
- D. does not contain aromatics. Discuss
- 2. The most commonly used feed stock for the reforming reactor is
Options- A. heavy fuel oil
- B. residuum
- C. straight run gasdine
- D. casing head gasoline Discuss
- 3. Detergent is added as an additive in engine lubricating oil to
Options- A. reduce deposit formation.
- B. keep contaminants in suspension.
- C. increase oxidation stability.
- D. prevent rusting. Discuss
- 4. Specific gravity of a petroleum product gives an indication of its
Options- A. degree of refinement.
- B. hydrocarbon content type (aromatic or paraffinic).
- C. ease of atomisation.
- D. sulphur content. Discuss
- 5. Cetane number of high speed diesel must be ?
Options- A. 30
- B. 45
- C. 75
- D. 95 Discuss
- 6. Which is the most effective catalyst used in catalytic cracking of petroleum products?
Options- A. Iron oxide
- B. Nickel
- C. Vanadium pentoxide
- D. Zeolite Discuss
- 7. Smoke volatility index is equal to smoke point plus
Options- A. 0.42 x(% distilled at 204°C)
- B. 5 mm
- C. 0.84 x (% distilled at 204°C)
- D. 10 mm. approximately Discuss
- 8. Which of the following hydrocarbons of same carbon atoms has minimum smoking tendency?
Options- A. Paraffins
- B. Naphthenes
- C. Aromatics
- D. Iso-paraffins Discuss
- 9. Petroleum is believed to have originated from __________ sources.
Options- A. vegetable
- B. animal
- C. both (a) and (b)
- D. neither (a) nor (b) Discuss
- 10. Choose the correct statement.
Options- A. Octane number of i-octane is zero.
- B. Octane number of paraffins increases with increasing number of carbon atoms.
- C. Branched chain paraffins have higher octane number than straight chain paraffins with same number of carbon atoms.
- D. The aromatics have lower octane number than naphthenes with same number of carbon atoms. Discuss
Petroleum Refinery Engineering problems
Search Results
Correct Answer: is optically active.
Correct Answer: straight run gasdine
Correct Answer: reduce deposit formation.
Correct Answer: hydrocarbon content type (aromatic or paraffinic).
Correct Answer: 45
Correct Answer: Zeolite
Correct Answer: 0.42 x(% distilled at 204°C)
Correct Answer: Paraffins
Correct Answer: both (a) and (b)
Correct Answer: Branched chain paraffins have higher octane number than straight chain paraffins with same number of carbon atoms.
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