Discussion
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- Question
Water separometer index (modified) (WSIM) of a petrofuel is the measure of its
Options- A. emulsification tendency.
- B. water separation characteristics.
- C. water content.
- D. water absorbing capacity from atmosphere.
- Correct Answer
- water separation characteristics.
- 1. With increase in the molecular weight of aromatic present in kerosene, its smoking tendency
Options- A. increases
- B. decreases
- C. remains same
- D. is unpredictable Discuss
- 2. Paraffins are desirable in lubricating oil, as it has got high
Options- A. viscosity
- B. viscosity index
- C. smoke point
- D. pour point Discuss
- 3. Waxes present in petroleum products
Options- A. can be separated out by distillation.
- B. are not soluble in them.
- C. crystallise out at low temperature.
- D. decrease their viscosity. Discuss
- 4. Feed for reforming is generally
Options- A. naphtha or straight run gasoline.
- B. reduced crude.
- C. vacuum gas oil.
- D. atmospheric gas oil. Discuss
- 5. Cracking is
Options- A. an exothermic reaction.
- B. an endothermic reaction.
- C. favoured at very low temperature.
- D. none of these. Discuss
- 6. Good quality kerosene should have
Options- A. low smoke point.
- B. high smoke point.
- C. high aromatics content.
- D. low paraffins content. Discuss
- 7. Which of the following has the lowest cetane number?
Options- A. Aromatics
- B. i-paraffins
- C. Naphthene
- D. Olefins
- E. n-paraffins Discuss
- 8. Highest quality bitumen is produced from the __________ crude oil.
Options- A. paraffinic
- B. naphthenic
- C. intermediate
- D. mixed Discuss
- 9. Pressure & temperature maintained in catalytic cracking is about
Options- A. 2atm & 500°C
- B. 10atm & 500°C
- C. 30atm & 200°C
- D. 50atm. & 750°C Discuss
- 10. The most suitable solvent for deasphalting vacuum residue is
Options- A. propane
- B. methyl ethyl ketone
- C. doctor's solution
- D. methanol amine Discuss
Petroleum Refinery Engineering problems
Search Results
Correct Answer: increases
Correct Answer: smoke point
Correct Answer: crystallise out at low temperature.
Correct Answer: naphtha or straight run gasoline.
Correct Answer: an endothermic reaction.
Correct Answer: high smoke point.
Correct Answer: Aromatics
Correct Answer: naphthenic
Correct Answer: 2atm & 500°C
Correct Answer: methyl ethyl ketone
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