Discussion
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- Question
Aniline point is the
Options- A. characteristic property of diesel & lubricating oils.
- B. measure of aromatic content of oil.
- C. both (a) and (b).
- D. neither (a) nor (b).
- Correct Answer
- both (a) and (b).
- 1. Which of the following has the highest gum forming tendency in gosoline?
Options- A. Paraffins
- B. Diolefins
- C. Aromatics
- D. Naphthenes Discuss
- 2. Which of the following has the lowest flash point of all?
Options- A. Diesel
- B. Kerosene
- C. Petrol
- D. Furnace oil Discuss
- 3. Higher viscosity of lubricating oil usually signifies
Options- A. lower Reid vapour pressure.
- B. higher acid number.
- C. higher flash point and fire point.
- D. lower flash point and fire point. Discuss
- 4. Removal of light fractions from crude oil is called its
Options- A. sweetening
- B. dehydration
- C. stabilisation
- D. visbreaking Discuss
- 5. Phenols are added in gasoline to
Options- A. improve the octane number.
- B. act as an antioxidant.
- C. reduce its viscosity.
- D. increase its pour point. Discuss
- 6. Straight run petrol as compared to methyl/ethyl alcohol has
Options- A. lower calorific value.
- B. lower octane number.
- C. higher specific gravity.
- D. higher ignition temperature. Discuss
- 7. Liquefied petroleum Gas (LPG) used for the household cooking comprises mainly of
Options- A. propane & butane
- B. butane & ethane
- C. methane & ethane
- D. methane & carbon monoxide Discuss
- 8. Penetration test determines the __________ of the grease.
Options- A. stiffness
- B. lubricating properties (e.g. oilness)
- C. service temperature
- D. variation in viscosity with temperature Discuss
- 9. Mercaptans are added to liquefied petroleum gas (LPG) to
Options- A. reduce its cost.
- B. narrow down its explosion limit.
- C. assist in checking its leakage from cylinder.
- D. increase its calorific value. Discuss
- 10. A petroleum well is called 'dry', if it contains
Options- A. very little oil.
- B. no natural gas.
- C. only natural gas.
- D. all (a), (b) and (c). Discuss
Petroleum Refinery Engineering problems
Search Results
Correct Answer: Diolefins
Correct Answer: Petrol
Correct Answer: higher flash point and fire point.
Correct Answer: stabilisation
Correct Answer: act as an antioxidant.
Correct Answer: lower octane number.
Correct Answer: propane & butane
Correct Answer: stiffness
Correct Answer: assist in checking its leakage from cylinder.
Correct Answer: only natural gas.
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