Discussion
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- Question
Cetane number of high speed diesel must be ?
Options- A. 30
- B. 45
- C. 75
- D. 95
- Correct Answer
- 45
- 1. Which of the following has the highest octane number?
Options- A. Aromatics
- B. i-paraffins
- C. Naphthenes
- D. Olefins
- E. n-paraffins Discuss
- 2. LSHS is a type of furnace oil, which
Options- A. is more viscous than high viscosity furnace oil (HVFO).
- B. stands for low sulphur heavy stock.
- C. is an ideal fuel for metallurgical furnaces due to its lower sulphur content (< 1%).
- D. all (a), (b) and (c). Discuss
- 3. With increase in density, the viscosity of petroleum products
Options- A. increases
- B. decreases
- C. remains same
- D. either (a) or (b) Discuss
- 4. Carbon/hydrogen ratio (by weight) is maximum (out of following) for
Options- A. gasoline
- B. kerosene
- C. light gas oil
- D. heavy fuel oil Discuss
- 5. Smoke point of kerosene expresses its
Options- A. burning characteristics.
- B. luminosity characteristics.
- C. aromatic content directly.
- D. lamp wick wetting characteristics. Discuss
- 6. 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
- 7. 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
- 8. 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
- 9. Petroleum
Options- A. is optically active.
- B. constitutes mainly of olefins.
- C. does not contain asphalt.
- D. does not contain aromatics. Discuss
- 10. 95% (by volume) of LPG at 760 mm Hg pressure will evaporate at __________ °C.
Options- A. 2
- B. -40
- C. 30
- D. 55 Discuss
Petroleum Refinery Engineering problems
Search Results
Correct Answer: Aromatics
Correct Answer: all (a), (b) and (c).
Correct Answer: increases
Correct Answer: gasoline
Correct Answer: burning characteristics.
Correct Answer: hydrocarbon content type (aromatic or paraffinic).
Correct Answer: reduce deposit formation.
Correct Answer: straight run gasdine
Correct Answer: is optically active.
Correct Answer: 2
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