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- Question
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.
- Correct Answer
- reduce deposit formation.
- 1. 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
- 2. Cetane number of high speed diesel must be ?
Options- A. 30
- B. 45
- C. 75
- D. 95 Discuss
- 3. Which of the following has the highest octane number?
Options- A. Aromatics
- B. i-paraffins
- C. Naphthenes
- D. Olefins
- E. n-paraffins Discuss
- 4. 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
- 5. With increase in density, the viscosity of petroleum products
Options- A. increases
- B. decreases
- C. remains same
- D. either (a) or (b) Discuss
- 6. 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
- 7. Petroleum
Options- A. is optically active.
- B. constitutes mainly of olefins.
- C. does not contain asphalt.
- D. does not contain aromatics. Discuss
- 8. 95% (by volume) of LPG at 760 mm Hg pressure will evaporate at __________ °C.
Options- A. 2
- B. -40
- C. 30
- D. 55 Discuss
- 9. 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
- 10. 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
Petroleum Refinery Engineering problems
Search Results
Correct Answer: hydrocarbon content type (aromatic or paraffinic).
Correct Answer: 45
Correct Answer: Aromatics
Correct Answer: all (a), (b) and (c).
Correct Answer: increases
Correct Answer: straight run gasdine
Correct Answer: is optically active.
Correct Answer: 2
Correct Answer: Zeolite
Correct Answer: 0.42 x(% distilled at 204°C)
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